USER'S MANUAL FOR THE REAL-TIME MENSURATION PROGRAM SECOND EDITION

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78T04759A010300010148-0
• Release Decision: RIPPUB
• Original Classification: T
• Document Page Count: 483
• Document Creation Date: December 28, 2016
• Sequence Number: 148
• Content Type: REPORT

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NATIONAL PHOTOGRAPHIC
INTERPRETATION CENTER
MAY 1973
COPY NO. t 8
PAGES 462
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USER'S MANUAL FOR THE REAL-TIME
MENSURATION PROGRAM
Second Edition
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MEMORANDUM FOR: Recipients of
User's Manual or a ea - ime
Mensuration Program, Second Edition
Dated May 1973
SUBJECT : Transposition of Photographs
The photographs on pages'II-26 and 11-27 were inadvertently transposed
in this manual. New pages 11-25, 11-26, 11-27, and 11-28 are attached.
Please insert these new pages and destroy the pages in error.
WARNING NOTICE
Sensitive Intelligence Sources
and Methods Involved.
CLASSIFIED BY: 013170
Exempt from General Declassification Schedule
of E.O. 11652, Exemption Category: 5B(2)
AUTOMATICALLY DECLASSIFIED ON
DATE IMPOSSIBLE TO DETERMINE
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Placing
The Chips
Placing the chip(s) on a comparator involves these steps in the
order listed.
1. Place the chip(s) on the stage of the viewing unit.
2. Using the film clips, clamp the film down.
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FIGURE 5. HIGH-PRECISION-STEREO COMPARATOR.
11-26
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HIGH-PRECISION-STEREO
COMPARATOR
The High-Precision-Stereo Comparator (HPSC) appears in Figure 5.
This device permits stereo viewing of frame, panoramic, and strip stereo-
scopic photography. For information on the operation and maintenance of
this device see the following manuals which are kept in the HPSC remote
station --
Approved For Release 2006/03/31
* Stereocomparator Operator's Manual,
* Computer Program Specifications and Instructions,
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HIGH-PRECISION STEREO VIEWER
AND POINT TRANSFER DEVICE
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The High-Precision Stereo Viewer and Point Transfer Device (Figure 6)
is used to view both spooled film and film chips. The eyepiece assembly
permits viewing in a variety of modes, such as stereo, reversed stereo,
binocular monoscopic, 180 degrees upright reversion, and superimposed.
Details on the operation and maintenance of this device can be found in
the Operation and Maintenance Manual for Model 552 High-Precision Stereo
Viewer and Point Transfer Device published by A copy
of this manual can be found in the same remote station as the "Point Trans-
fer Device" you are using.
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11-27
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 I ~TEREO COMPARATOR
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25X1 The =Stereo Comparator (Figure 7) is used for measuring large pairs
of stereoscopic photography. Film chips as large as 10 inches square and
film strips up to 10 feet in length can be accommodated. Details on the
operation and maintenance of this device can be found in Instruction and
Maint ual Type 1740A Stereo Comparator published by the
A copy of this manual can be found in the same remote station
ereo Comparator you are using.
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USER'S MANUAL
FOR THE
REAL-TIME MENSURATION PROGRAM
May 1973
Prepared by the
Automated Information Division
Production Services Group
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Comments and queries regarding this manual are welcomed.
They may be directed to NPIC PSG Automated
Information Division, Code ,
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PURPOSE AND SCOPE . . . . . . . . . . . . . . . I- 1
MENSURATION PARAMETERS FILE . . . . . . . . . . I- 2
WHEN TO USE THE PROGRAM . . . . . . . . . . . . I- 2
ASR AND KSR TELETYPEWRITERS . . . . . . . . . . II- 1
Turn-on Procedures . . . . . . . . . . . . . II- 1
Converting a Teletype . . . . . , . . . . . . II- 2
COMPARATORS . . . . . . . . . . . . . . . . . . 11- 3
Fal-Screen Measuring Projector . . . . . II- 5
Comparator . . . . . . . . . . . . . . . II_ 9
Stereo Chip Comparator . . . . 11-15
icron Mensuration Stage . . . . . . . . 11-21
High-Precision-Stereo Comparator . . . . . . 11-26
High-Precision Stereo Viewer and Point
Transfer Device . . . . . . . . . . . . . . 11-27
Stereo Comparator . . . . . . . . . . . 11-28
Twin Stage On-Line Comparator . . . . . . . . 11-29
USING THE TRANSMISSION BUTTONS . . . . . . . . 11-30
USING THE OUTPUT FUNCTION BUTTONS . . . . . . . 11-34
OBTAINING MENSURAL OUTPUT . . . . . . . . . . . 11-34
PLOTTER . . . . . . . . . . . . . . . . 11-63
Turn-on Procedures . . . . . . . . . . . . . 11-63
Initializing a Plotter . . . . . . . . . . . 11-63
CHAPTER III. PROCESSING PHOTOGRAPHY FROM THE
KH-4A AND KH-4B CAMERA SYSTEMS . . . . . . . . III- 1
K4A OPTION . . . . . . . . . . . . . . . . . . III- 3
Obtaining Parameters . . . . . . . . . . . . III- 3
Choosing Ellipsoids . . . . . . . . . . . . III- 6
Marking Fiducials . . . . . . . . . . . . III- 7
Initializing a Teletype . . . . . . . . . . . III- 7
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CHAPTER III. K4A OPTION (CONTINUED)
Submitting Parameters . . . . . . . .
Initializing a Comparator . . . . . . . .
Transmitting Points for Calculations . . .
Terminating Frame Operations . . . . . . .
Sample Teletype Output . . . . . . . .
K4B OPTION . . . . . . . . . . . . . . . .
Obtaining Parameters . . . . . . . . . .
Choosing Ellipsoids . . . . . . . . . .
Marking Fiducials . . . . . . . . . .
Initializing a Teletype . . . . . . . . .
Submitting Parameters . . . . . . . . .
Initializing a Comparator . . . . . . . .
Transmitting Points for Calculations . . .
Terminating Frame Operations . . . . . . .
Sample Teletype Output . . . . . . .
K4BR OPTION . . . . . . . . . . . . . . . .
Obtaining Parameters . . . . . . . . . .
Choosing Ellipsoids . . . . . . . . . . .
Marking Fiducials . . . . . . . . . . .
Initializing a Teletype . . . . . . . . .
Submitting Parameters . . . . . . . . .
Initializing a Comparator . . . . . . . .
Transmitting Points for Calculations . . .
Terminating Frame Operations . . . . . . .
Sample Teletype Output . . . . . . . . .
C4A OPTION . . . . . . . . . . . . . . . .
Obtaining Parameters . . . . . . . . . .
Choosing Ellipsoids . . . . . . . . . . .
Measuring Grid Coordinates . . . . . . .
Initializing a Teletype . . . . . . . . .
Submitting Parameters . . . . . . . . . .
Initializing a Comparator . . . . . . . .
Transmitting Points for Calculations . . .
Terminating Frame Operations . . . . . .
Sample Teletype Output . . . . . . . . .
C4B OPTION . . . . . . . . . . . . . . . .
Obtaining Parameters . . . . . . . . . .
Choosing Ellipsoids . . . . . . . . . .
Measuring Grid Coordinates . . . . . . .
Initializing a Teletype . . . . . . . .
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III- 8
III-10
III-11
111-12
111-13
III-15
III-15
III-18
111-19
111-19
111-20
111-23
111-24
111-25
111-25
111-27
111-27
111-29
111-30
111-30
111-31
111-34
111-35
111-36
111-36
111-38
111-38
111-42
111-43
111-43
111-44
111-47
111-48
111-48
111-49
111-51
111-51
111-55
111-56
111-56
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CHAPTER III. C4B OPTION (CONTINUED)
Submitting Parameters . . . . . . . . . . . 111-57
Initializing a Comparator . . . . . . . . 111-60
Transmitting Points for Calculations . . . 111-61
Terminating Frame Operations . . . . . . . 111-61
Sample Teletype Output . . . . . . . . . . 111-62
C4BR OPTION . . . . . . . . . . . . . . . . 111-64
Obtaining Parameters . . . . . . . . . . . 111-64
Choosing Ellipsoids . . . . . . . . . . . 111-66
Measuring Grid Coordinates . . . . . . . . 111-67
Initializing a Teletype . . . . . . . . . 111-67
Submitting Parameters . . . . . . . . . . 111-68
Initializing a Comparator . . . . . . . . 111-71
Transmitting Points for Calculations . . . 111-72
Terminating Frame Operations . . . . . . . 111-72
Sample Teletype Output . . . . . . . . . . 111-73
SK4A, SK4B, SK4BR, SC4A, SC4B, AND
SC4BR OPTIONS . . . . . . . . . . . . . . . 111-75
Obtaining Parameters . . . . . . . . . . . 111-75
Choosing Ellipsoids . . . . . . . . . . . 111-75
Marking Fiducials or Measuring Grid
Coordinates . . . . . . . . . . . . . . . 111-75
Initializing a Teletype . . . . . . . . . 111-75
Submitting Parameters . . . . . . . . . 111-76
Initializing a Comparator . . . . . . . . 111-76
Relative Orientation . . . . . . . . . 111-76
Transmitting Points for Calculations . . . 111-79
Switching from a Stereo Option to a
Mono Option . . . . . . . . . . . . . . 111-79
Terminating Frame Operations . . . . . . . 111-80
Sample Teletype Output . . . . . . . . . . 111-81
CHAPTER IV. PROCESSING PHOTOGRAPHY FROM THE
KH-7 CAMERA SYSTEM . . . . . . . . . . . . IV- 1
K7A OPTION . . . . . . . . . . . . . . . . . IV- 3
Obtaining Parameters . . . . . . . . . . IV- 3
Choosing Ellipsoids . . . . . . . . . . . . IV- 7
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CHAPTER IV. K7A OPTION (CONTINUED)
Determining Payload Clock Time . . . . . . . IV- 8
Marking Fiducials . . . . . . . . . . . . . IV- 9
Initializing a Teletype . . . . . . . . . . IV-10
Submitting Parameters . . . . . . . . . . IV-11
Initializing a Comparator . . . . . . . . . IV-13
Transmitting Points for Calculations . . . IV-15
Terminating Frame Operations . . . . . . . . IV-16
Sample Teletype Output . . . . . . . . . IV-16
C7A OPTION . . . . . . . . . . . . . . . . . IV-19
Obtaining Parameters . . . . . . . . . . . IV-19
Choosing Ellipsoids . . . . . . . . . . . IV-23
Determining Payload Clock Time . . . . . . IV-24
Measuring Grid Coordinates . . . . . . . . IV-25
Initializing a Teletype . . . . . . . . . IV-25
Submitting Parameters . . . . . . . . . IV-26
Initializing a Comparator . . . . . . . . IV-29
Transmitting Points for Calculations . . . IV-30
Terminating Frame Operations . . . . . . . IV-31
Sample Teletype Output . . . . . . . . . . . IV-32
SK7A AND SC7A OPTIONS . . . . . . . . . . . . IV-34
Obtaining Parameters . . . . . . . . . . . IV-34
Choosing Ellipsoids . . . . . . . . . . . IV-34
Determining Payload Clock Time . . . . . . IV-34
Marking Fiducials or Measuring Grid
Coordinates . . . . . . . . . . . . . . . IV-34
Initializing a Teletype . . . . . . . . . . IV-35
Submitting Parameters . . . . . . . . . . IV-35
Initializing a Comparator . . . . . . . . IV-35
Relative Orientation . . . . . . . . . . .
Transmitting Points for Calculations . . . .
Switching from a Stereo Option to a
IV-35
IV-38
Mono Option . . . . . . . . . . . . . . . IV-38
Terminating Frame Operations . . . . . . . IV-39
Sample Teletype Output . . . . . . . . . . . IV-39
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CHAPTER VII. (CONTINUED)
PAN OPTION . . . . . . . . . . . . . . . . . VII- 3
Obtaining Parameters . . . . . . . . . . . VII- 3
Choosing Ellipsoids . . . . . . . . . . . . VII- 7
Marking Fiducials . . . . . . . . . . . . VII- 8
Initializing a Teletype . . . . . . . . VII- 9
Submitting Parameters . . . . . . . . . . . VII-10
Initializing a Comparator . . . . . . . . . VII-13
Transmitting Points for Calculations . . . VII-14
Terminating Frame Operations . . . . . . . VII-14
Sample Teletype Output . . . . . . . . . . VII-15
SPAN OPTION . . . . . . . . . . . . . . . . . VII-17
Obtaining Parameters . . . . . . . . . . . VII-17
Choosing Ellipsoids . . . . . . . . . . VII-17
Marking Fiducials . . . . . . . . . . . . . VII-17
Initializing a Teletype . . . . . . . . . . VII-17
Submitting Parameters . . . . . . . . . . VII-18
Initializing a Comparator . . . . . . . . . VII-18
Relative Orientation . . . . . . . . . . VII-18
Transmitting Points for Calculations VII-21
Switching from a Stereo Option to a
Mono Option . . . . . . . . . . . . . . . VII-21
Terminating Frame Operations . . . . . . . VII-22
Sample Teletype Output . . . . . . . . . . VII-22
CHAPTER VIII. PROCESSING FRAME PHOTOGRAPHY . . . . . . . . VIII- 1
FRAME OPTION . . . . . . . . . . . . . . . . VIII- 3
Obtaining Parameters . . . . . . . . . . . VIII- 3
Choosing Ellipsoids . . . . . . . . . . . . VIII- 6
Marking Fiducials . . . . . . . . . . . . VIII- 7
Initializing a Teletype . . . . . . . . . VIII- 7
Submitting Parameters . . . . . . . . . . . VIII- 8
Initializing a Comparator . . . . . . . . . VIII-11
Transmitting Points for Calculations . . . VIII-12
Terminating Frame Operations . . . . . . . VIII-13
Sample Teletype output . . . . . . . . . . VIII-13
SFRAME OPTION . . . . . . . . . . . . . . . . VIII-15
Obtaining Parameters . . . . . . . . . . . VIII-15
Choosing Ellipsoids . . . . . . . . . . . VIII-15
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CHAPTER VIII. SFRAME OPTION (CONTINUED)
Marking Fiducials . . . . . . . . . . VIII-15
Initializing a Teletype . . . . . . . VIII-15
Submitting Parameters . . . . . . . . VIII-16
Initializing a Comparator . . . . . . VIII-16
Relative. Orientation . . . . . . . . VIII-16
Transmitting Points for Calculations VIII-19
Switching from a Stereo Option to a
Mono Option . . . . . . . . . . . . VIII-19
Terminating Frame Operations . . . . VIII-20
Sample Teletype Output . . . . . . . . VIII-20
CHAPTER IX. TRANSMITTING SAMPLE POINTS . .
FOR CALCULATIONS . . . . . . . . . . . . IX- 1
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FIGURE 1. pUAL-SCREEN MEASURING PROJECTOR . . . . . . . . II- 4
FIGURE 2. COMPARATOR, MODEL 1210 . . . . . . . . . . . . II-10
FIGURE 3. STEREO CHIP COMPARATOR . . . . . . . 11-14
FIGURE 4. MICRON MENSURATION STAGE . . . . . . . . . . . 11-22
FIGURE 5. HIGH-PRECISION-STEREO COMPARATOR . . . . . . . . . . 11-26
FIGURE 6. HIGH-PRECISION STEREO VIEWER AND POINT
TRANSFER DEVICE . . . . . . . . . . . . . . . . . . 11-27
FIGURE 7. STEREO COMPARATOR (Type 1740A) . . . . . . . . 11-28
FIGURE 8. TWIN STAGE ON-LINE COMPARATOR . . . . . . . . . . . 11-29
FIGURE 9. OUTPUT FUNCTION BUTTONS WITH ROTARY
SWITCH SETTING AT Q . . . . . . . . . . . . . . . . 11-35
FIGURE 10. OUTPUT FUNCTION BUTTONS WITH ROTARY
SWITCH SETTING AT 2 . . . . . . . . . . . . . . . . 11-36
FIGURE 11. OUTPUT FUNCTION BUTTONS WITH ROTARY
SWITCH SETTING AT 1 . . . . . . . . . . . . . . . . 11-37
FIGURE.12. OUTPUT FUNCTION BUTTONS WITH ROTARY
SWITCH SETTING AT 3 . . . . . . . . . . . . . . . . 11-38
1 :1
FIGURE 14. MARKING FIDUCIALS ON KH-4A PHOTOGRAPHY,
EMULSION SIDE UP . . . . . . . . . . . . . . . . 111-85
FIGURE 15. MARKING FIDUCIALS ON KH-4B PHOTOGRAPHY,
EMULSION SIDE UP . . . . . . . . . . . . . . . . 111-85
FIGURE 16. REFERENCE PCT WORD ON A KH-7 TIME TRACK . . . . . . IV-44
FIGURE 17. MARKING TWO FIDUCIALS ON KH-7 PHOTOGRAPHY,
EMULSION SIDE UP . . . . . . . . . . . . . . . . IV-44
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LIST OF ILLUSTRATIONS (CONTINUED)
FIGURE 18. MARKING FIVE FIDUCIALS ON KH-7 PHOTOGRAPHY,
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Page
Table
1.
I4ain Console Parts and Functions . . . . . . . .
II- 5
Table
2.
1
Comparator Parts and Functions . . . . . . . .
II- 9
Table
3. Chip Comparator Parts and Functions . . . . . . . .
11-16
Table
4.
IComparator Parts and Functions . . . . . . . .
11-23
Table
5. How to Use the Transmission Buttons . . . . . . . .
11-30
Table
6. Output Function Buttons . . . . . . . . . . . . . .
11-39
Table
7. Using Transmission and Output Function
Buttons to Obtain Mensural Output . . . . . . . . .
11-45
Table
8. Parameters Needed for K4A Option . . . . . . . . . .
III- 4
Table
9. Parameters Needed for K4B Option . . . . . . . . . .
111-16
Table 10. Parameters Needed for K4BR Option . . . . . . . . .
111-28
Table 11. Parameters Needed for C4A Option . . . . . . . . . .
111-39
Table 12. Parameters Needed for C4B Option . . . . . . . . . .
111-52
Table 13. Parameters Needed for C4BR Option . . . . . . . . .
111-65
Table 14. Parameters Needed for K7A Option . . . . . . . . . .
IV- 4
Table 15. Parameters Needed for C7A Option . . . . . . . . . .
IV-20
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Table 27. Parameters Needed for PAN Option . . . . . . . . . . VII- 4
Table 28. Parameters Needed for FRAME Option . . . . . . . . . VIII- 4
Table 29. Instructions for Transmitting Sample
Points for Calculations . . . . . . . . . . . . . . . IX- 3
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The second edition of the USER'S MANUAL FOR THE REAL-TIME MENSURATION
PROGRAM, replaces the original manual of the same title,
which should be destroyed. Whenever necessary, the Real-Time
Mensuration Program and the USER'S MANUAL FOR THE REAL-TIME MENSURATION
PROGRAM will be modified to accommodate intelligence derived from other
camera systems.
? This manual explains how to use the Real-Time Mensuration Program and
the related equipment. It also contains step-by-step instructions for mea-
suring objects discernible on various kinds of imagery. However, this man-
ual does not contain details on photogrammetric techniques. The subject
matter is organized by camera system. Thus, for any given camera system,
all available options and the procedures related to each appear in one chap-
ter. However, the Appendix includes a discussion of two output functions,
the s-azimuth and the z-azimuth, which were added to the program after copy
for CHAPTER II, THE EQUIPMENT, had already been prepared for the printer.
This manual is not to be used with the AID publication, Remote Access
Computer Service, third edition, March 1972.
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The Real-Time Mensuration Program (RTMP) calculates accurate
measurements of objects discernible on the photography derived from the
camera systems used by NPIC. The program can calculate distances,
azimuths, geodetic coordinates, heights, and areas of objects visible
on the film. In addition to these calculations, the program can create
a plot of the objects being measured. The use of this capability is
optional.
You use the program from your work area, which is referred to as a
remote station. This station consists of at least a teletypewriter and
a comparator; it may also include a plotter. All of this equipment is
connected to, i.e., on line with, the UNIVAC 494 computer system. This
equipment is used to send data to and receive data from that system.
In general the RTMP requires that film be mounted on a comparator and
identified via teletype messages. The points on which calculations are
to be performed are then aligned under the comparator crosshairs and
transmitted to the program. Within real time, the results of the cal-
culations are printed via a teletypewriter.
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The Mensuration Parameters * con ins ephemeral data and
missions. The data for
mensuration parameters for KH-4Bfil&
a given mission remains in the MPF for a period of six months. This data
can be utilized by the RTMP to identify the characteristics of the photog-
raphy being used.
The RTMP will automatically retrieve data from the MPF. If the
ephemeral data for the photography being used is in the MPF, the program
will search the file and retrieve the necessary parameters. The only
parameters that must be input via a teletype will be those unique to the
chip or frame being processed.
At the present time, the Real-Time Mensuration Program is available
weekdays at the times listed below. If these hours are changed, all
affected components will be notified.
Monday
Tuesday Wednesday Thursday Friday
0815-
0815- 0815- 0815- 0815-
1830
1830 1830 1830 1830
To use the program outside these hours, complete an Operations
Branch Work Request form, IP FM 340 (8/70), and submit it to the
Production Analysis Section, Operations Branch, AID, (2N 800) before
the program is needed. A sample work request appears on the next page.
Formerly known as the Attitude and Position Catalog (APC).
1-2
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OPERATIONS BRANCH WORK REQUEST
TO: PRODUCTION ANALYSIS SECTION/OB/AID/PSG
PAS NO. (Leave blank)
COMPONENT CODE PROJECT NO
E70 143231
JOB ID (Leave blank)
IN
REQUESTER
,John Doe
P QUANTITY
NA
TYPE RUN (Leave blank)
PAS
OUT
PRODUCT
DEAD
OUT
SECURITY CLASSIFICATION (MUST BE COMPLETED BY REQUESTER)
TYPE FORM
LINE
1 Februd 1973
NA
NA
CUST
BADGE NO.
OUT
CONTROL NO.
WORKSHEETS
BURST
PICK
NA
d YES ND
M YES HO
IN
RIM
JJ
IND
C
RIGHT 0 LEFT
I NEITHER
LEFT ~TO
NEITHER
OS
OUT
FOR PRODUCTION ANAL
YSIS SECTION USE ONLY
DATA
DATE
SET UP TIME
BADGE NO.
IN
CONTROLLER
DES
OUT
SCHEDULER
494-A
494.8
1004
DIS
IN
OUT
QUALITY
CONTRO
INPUT DATE
CHECKTIME
BADGE NO.
EAM
IN
LLER
OUTPUT DATE
CHECKTIME
BADGE NO.
OUT
JOB DESCRIP
TION
Please load the Real-Time Mensuration Program for use between 0815
and 1630 on Saturday, 1 February 1973.
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CHAPTER II. THE EQUIPMENT
Whenever you use the Real-Time Mensuration Program, you will use
either an ASR or a KSR Model 35 teletypewriter to
* transmit to the computer parameters
that will identify the film
* receive calculations produced by
the program
TURN-ON
PROCEDURES
Before a teletype can be used with the RTMP, it must be turned on. To
turn on a teletype follow these procedures.
2. If the teletype has a RYE/REAL TIME toggle switch,
move it to the RYE position.
3. If the BREAK light is ON, press and release the BRK-RLS
button; if it is not ON, omit this step.
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4. Press and release the ALT MODE key.
5. Press and hold the CTRL key.
6. Press and release the Y key.
7. Press and release the G key.
8. Release the CTRL key.
If the computer is functioning properly and this teletype is currently
communicating with the RTMP, you will receive this message:
If this message does not appear, try again later.
If the turn-on sequence listed above were summarized, it could be
presented in this manner.
Turn teletype on
Move RYE/REAL TIME (if any) to RYE
Press BRK-RLS (if applicable)
ALT MODE
CTRL (hold)
Y
G
CONVERTING
A TELETYPE
Certain teletypes are used primarily for the RTMP. These teletypes
are normally in a technical mode; other teletypes are in an analytic mode.
However, teletypes that are normally in a technical mode can also be used
in an analytic mode. If your teletype has been used in an analytic mode,
you will receive no teletype messages when you try to use the RTMP. If
this happens, reconvert the teletype to the technical mode so that it can
again be used with the RTMP.
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25X1
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To do this press these keys:
ALT MODE
CTRL + Y (SVC)
CTRL + G (BELL)
You will receive this message indicating that the conversion is complete:
LEN T RTM READY
This procedure may also be used to effect the conversion:
ALT MODE
CTRL + Y
T+LOGICAL EQUIPMENT NUMBER
(e.g., T112)
You will receive this message when the conversion has been completed:
TLOGICAL EQUIPMENT NUMBER
COMPARATORS
Whenever you use the RTMP, you will use a comparator to
* locate points of interest on a
photograph
* determine the x and y coordinates
of selected points of interest
* transmit these values to the program
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Table 1. Q Main Console
Parts and Functions
Part Function
Y-COORDINATE & Display relative coordinates
X-COORDINATE in microns of point under
windows crosshairs on small screen
DUAL-SCREEN
MEASURING PROJECTOR
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The Q Dual-Screen Measuring Projector (Figure 1) has two screens
upon which images are projected. The large screen is used for scanning;
the small screen, for measuring. The= has a main console and an
auxiliary console. The main console is used for projecting images; the
auxiliary console, for power.
Parts of
Main Console
The parts of the main console and their respective functions are
given in Table 1.
Causes both coordinates to
be set at 500,000 counts;
does not move film
RETICLE BRILLIANCE Adjusts intensity of reticle
switch to desired illumination
FILM SLEW wheel Permits film advancement to
new frame in either direction
LOW, MEDIUM, & HIGH Determine speed at which
buttons FILM SLEW wheel will advance
film
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ADVANCE-CLAMP
button
Y DOWN LIMIT & UP
LIMIT lights;
X LEFT LIMIT &
RIGHT LIMIT lights
TRANSMISSION FAILURE
light
TRANSMISSION light
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Main Console Parts and
Functions (Continued)
Function
In CLAMP position when mensu-
ration is being done; auto-
matically returns to ADVANCE
position when FILM SLEW wheel
is turned; returns to CLAMP
position when FILM SLEW wheel
is released
Causes crosshairs of small
screen to be over center of
stage; x & y coordinates are
changed to accommodate all
stage movement
Rotates reticle of small
screen
Indicate stage has reached its
movement limit & must be moved
in opposite direction
Moves stage toward or away
from front of main console
Moves optics to right or left
Used for transmitting points
to program
Indicates failure in trans-
mitting points; must be
pressed before additional
points can be transmitted
Indicates point is being
sent to program
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Table 1. LI Main Console Parts and
Functions (Continued)
Function
INTERLOCK FAILURE Indicates ON button at rear of
light main console is on & must be
turned off
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Permits movement of stage &
optics even though you do
not turn X or Y wheel
FOCUS switch Adjusts film focus to desired
position
ILLUMINATION CONTROLS Adjusts lighting on large screen
(coarse adjustment) or small
screen (fine adjustment)
MAGNIFICATION lights
Indicate magnification on
small screen
Allows magnification to be
changed
ROTARY SWITCHES Used to send control numbers
with coordinates
INDICATIVE FUNCTION Used to determine output from
buttons RTMP; sometimes referred
to as output function but-
tons
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Turn-On
Procedures
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If the has been turned off for any reason, complete these turn-on
procedures. On the auxiliary console,
1. Check the reading of the two meters located in the SERVOMOTOR
AMPLIFIER area. Both of the meters must read less than 50
milliamperes.
2. In the CIRCUIT BREAKERS area, move the Servo H.V. and the Vacuum
Pump toggle switches to the ON position.
3. In the CURRENT ADJUST area, move the toggle switch to the
OPERATING position.
Most of these switches may be left on until the end of a working day.
However, you should turn the Vacuum Pump switch off after using the
Mounting
The Film
0
follow these steps in the order listed. At
the rear of the main console,
1. Press the ON button.
2. Press the ADVANCE-CLAMP button until the ADVANCE portion lights
up.
3. Press the SLEW-LOAD button until the LOAD portion lights up.
4. Mount the film on the stage.
5. Press the SLEW-LOAD button until the SLEW portion lights up.
6. Using the FILM SLEW dial, advance the film to the desired frame.
7. Press the ADVANCE-CLAMP button until the CLAMP portion lights up.
8. Press the ON button; the light will go out.
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COMPARATOR
There are several different models of a comparator in 25X1
One of these models, 1210, appears in Figure 2. On a compara- 25X1
tor film is viewed through a binocular optical system. As t e light rays
pass through the film, they are magnified and reflected into the eyepieces.
This comparator consists of a main console and an electronic module. The
main console is used for viewing film and determining relative coordinates.
The electronic module is used to display relative x and y coordinates and
to transmit points to the program.
Parts of
Comparator
The parts of a comparator and unctions are
listed in Table 2. All comparators ve these parts.
Table 2. Comparator Parts
an unctions
Optics
Function
Platform on which film
is placed
Holds film in position
on stage
Used to magnify & focus
image
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Table 2. Comparator Parts and
unc ions (Continued)
Part Function
FIELD BRIGHTNESS dial Adjusts small area light on
film
X-axis wheel Moves stage; permits adjust-
ment of x coordinate
Y-axis wheel Moves optics; permits adjust-
ment of y coordinate
Slew handle Permits simultaneous move-
ment at variable speed
in x & y directions
X and Y SAFETY LIMIT Indicate movement in x or y
lights direction has reached its
limit; direction of move-
ment must be reversed
Permits adjustments of film
focusing
Focuses reticle to desired
point
Eyepiece Used to balance focusing to
both eyes
Increases magnification from
1 to 2 times over the sel-
ected magnification
X AXIS and Y AXIS Display relative x & y coordi-
windows nates of point under cross-
hairs
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Table 2. Comparator Parts and
unc ions (Continued)
PRESET RESET number
wheels
DIRECTION toggle
switches
INSTRUCTION CHARACTER
buttons (16)
READOUT CHARACTER
buttons
SUBSTAGE light
TRANSMISSION light
ALARM RESET button
Function
Change x & y axis values to
values indicated on PRESET
RESET number wheels
Change x & y axis values to
zero (0)
Used with PRESET RESET buttons
for changing coordinate values
Used to rotate x-axis or y-axis
by 180?
Used to determine output from
RTMP; sometimes referred to
as output function buttons
Used to send control numbers
with coordinates
Used to transmit points to
program
Illuminates platen for general
viewing
Indicates data is being trans-
mitted to program
Lights & activates buzzer when-
ever transmission error
occurs; must be pressed after
error has occurred to deacti-
vate buzzer & to transmit more
data
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Turn-On
Procedures
If the comparator you want to use has been turned off for any
reason, comp ete these turn-on procedures.
On the main console,
1. Move the POWER toggle switch to the ON position.
2. Move the SUBSTAGE switch to the ON position.
3. Wait until the power light on the main console comes on.
On the electronic module,
1. If the electronic module is equipped with a PUNCH/COMPUTER
toggle switch, move it to the COMPUTER position.
2. Move the POWER switch to the OFF position.
3. Move the SYSTEM MODE dial to the TWO-AXIS position.
Mounting
The Film
The procedures for mounting film on a are the fol-
lowing: L_~cmparator
1. Press the FILM PLATEN button. This will activate the
electromagnets on the platen and separate the plates of
glass.
2. Insert the film between the two plates of glass.
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 FIGURE 3. I
0010148-05X1
STEREO CHIP COMPARATOR.
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The Stereo Chip Comparator or Chip comparator (Figure
3) permits s ereo viewing by means of a binocular optical system and two
pieces (chips) of photography. Measurements are performed on only one
chip; the other is for viewing only.
The Chip comparator has two principal components: a main console
and an electronic module. The main console is used for viewing and
determining relative coordinates. The electronic module is used to
Parts of
Comparator
* control the photo environment,
i.e., adjust the lighting, color,
etc.
* display x and y coordinates
* transmit points to the program
The parts of a Chip comparator and their respective functions are
listed in Table 3 on the next page.
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0
Part
Y AXIS drive
Y AXIS hand wheel
X AXIS drive
AUTO-COMPENSATOR
Y AXIS & X AXIS
toggle switches
X-READY and Y-READY
lights
Right stage
Height adjustment dial
Moves stages toward front or
rear of comparator; gross
movements
Moves stages toward front or
rear of comparator; fine
movements
Moves stages to right or
left; gross movements
Moves stages to right or
left; fine movements
Activate auto-compensator
Indicate power has reached
operation level
Holds chip to be measured
Holds second chip for
stereo viewing; may be
moved by hand for gross
adjustments or by screws
for fine adjustments
Used for gross focus
adjustments
Table 3. Chip Comparator
Parts and Functions
Function
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Table 3. Chip Comparator Parts and
Functions (Continued)
?
Part
Zoom dial
Rotation dials
Elevation adjustment
switch
Interpupillary distance
gauge
Eyepieces
Reticle adjustment dial
ELECTRONIC MODULE
CONTROL PANEL
?
SPOT INT LEFT & RIGHT
dials
LEFT & RIGHT FILTER
SELECTOR dials
Power light
SPOT LT & SPOT RT
toggle switches
SPOT LEFT & SPOT RIGHT
toggle switches
Increase illumination for
left & right stages
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Function
Increases magnification from
1 to 2 times
Rotate viewed images without
rotating chips
Permits comfortable position-
ing of optics
Increases or decreases dis-
tance between eyepieces
Used for fine focus adjust-
ments
Permit colors of light to
be passed through film
Indicates MAIN POWER switch
is ON
Determine amount of light
passed through film when
concentrated light beam
is used
Permit use of a concentrated
beam
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Table 3. Chip Comparator Parts and
Functions (Continued)
LEFT & RIGHT GEN ILL
toggle switches
PUMP toggle switch
VAC LEFT & VAC RIGHT
toggle switches
Create suction to film on
stages
Creates suction to stabi-
lize right stage
ELECTRONIC MODULE:
TRANSMISSION PANEL
X AXIS & Y AXIS
windows
Display relative x & y
coordinates of point on
film under crosshairs
PRESET RESET number
wheels
DIRECTION toggle
switches
INSTRUCTION CHARACTER
buttons (16)
READOUT CHARACTER
buttons
Change x & y axis values to
values indicated on PRESET
RESET number wheels
Change x & y axis values to
zero (0)
Used with PRESET RESET but-
tons for changing coordinate
values
Used to rotate x-axis or
y-axis by 180?
Used to determine output;
also referred to as output
function buttons
Used to send control numbers
with coordinates
Used to transmit points to
program
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Table 3. Chip Comparator Parts and
Functions (Continued)
TRANSMISSION light
Turn-On
Procedures
Function
When illuminated, indicates
data is being transmitted
to program
Lights & activates buzzer
whenever transmission error
occurs; must be pressed after
error has occurred to deacti-
vate buzzer & to transmit
more data
If the chip comparator you want to use has been turned off for any
reason, complete these turn-on procedures.
1. Move the MAIN POWER switch on the control panel to
the ON position.
2. If the electronic module is equipped with a PUNCH/COMPUTER
toggle switch, move it to the COMPUTER position.
3. Move the X AXIS and the Y AXIS POWER switches to the ON
position. These switches are located on the lower left-
hand side of the main console.
4. Wait until the X-READY and Y-READY lights on the front of
the main console come on. This will usually take about 30
minutes.
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Compensating
A Comparator
On a chip comparator it is necessary to make adjustments to stabilize
the x and y coordinates. This process is known as compensating a compara-
tor. You should compensate a chip comparator every morning before it is
used. The procedures for compensating a comparator are the following:
1. Press the X AXIS LEFT drive until movement reaches its
limit and the stage stops.
2. Press the Y AXIS IN drive until movement reaches its
limit and the stage stops.
3. Zero reset the x and y coordinates.
4. Move the X AXIS AUTO COMPENSATOR toggle switch to the
ON position.
5. Press the X AXIS RIGHT drive and allow the stage to
move about two inches.
6. Release the X AXIS RIGHT drive and immediately press the
X AXIS LEFT drive.
7. When the stage reaches its movement limit, release the
X AXIS LEFT drive.
8. Move the X AXIS AUTO COMPENSATOR toggle switch to the
OFF position.
9. Move the Y AXIS AUTO COMPENSATOR toggle switch to the
ON position.
10. Press the Y AXIS OUT drive and allow the stage to move
about two inches.
11. Release the Y AXIS OUT drive and immediately press the
Y AXIS IN drive.
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12. When the stage reaches its movement limit, release the
Y AXIS IN drive.
13. Move the Y AXIS AUTO COMPENSATOR toggle switch to the
OFF position.
Placing
The Chips
Placing the chips on a chip comparator involves these steps in the
order listed.
1. Place the chip to be measured on the left stage.
2. Move the PUMP toggle switch to the ON position.
3. Move the VAC LEFT toggle switch to the ON position.
4. If you want stereo viewing, place the second chip
on the right stage.
5. Move the VAC RIGHT to the ON position.
I MICRON
MENSURATION STAGE
The l Micron Mensuration Stage or "Comparator (Figure 4) is a
relatively simple device that resembles a microscope. Depending on the
optics selected, it can be used for either mono or stereo viewing. The
I comparator consists of a viewing unit, an electronic module, and a
control cabinet. The viewing unit is used for placing and viewing the
chip(s). The electronic module records the movement of the film and trans-
mits information to the program. The control cabinet contains the power
switches for the device.
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Parts of
Comparator
The parts of a
listed in Table 4.
I I
II
X-AXIS control knob
Y-AXIS control knob
Magnification control
Field brightness dial
Ready light
Lock switch
Film clips
X-AXIS & Y-AXIS
windows
Function
Permits fine adjustments in
x direction
Permits fine adjustments in
y direction
Permits change in magnification
Display relative x & y coordi-
nates of point on film
under crosshair
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Permits adjustment of light
passing through film
Indicates power has reached
operational level
Locks stage in current position
Used to secure film to stage
Permits fine focusing adjustments
ELECTRONIC MODULE
comparator and their respective functions are
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INSTRUCTION CHARACTER
buttons (16)
READOUT CHARACTER
buttons
X & Y range lights
X & Y range speakers
TRANSMISSION light
ALARM RESET button
Turn-On
Procedures
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Comparator Parts and
Functions (Continued)
Function
Used to determine output; also
referred to as output function
buttons
Used to send control numbers
with coordinates
Used to transmit points to
program
Indicate movement limits in
x & y directions
Buzz when x & y movement limits
are reached
When illuminated, indicates data
is being transmitted to program
Lights & activates buzzer when-
ever transmission error occurs;
after an error, must be pressed
to deactivate buzzer
If the u comparator has been turned off for any reason, complete
these turn-on procedures.
1. Turn the main power switch in the control cabinet on.
2. When the Ready light (on the viewer unit) lights, turn
thel Power Unit switch in the control cabi-
net on.
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Placing
The Chips
Placing the chip(s) on a ~J comparator involves these steps in the
order listed.
1. Place the chip(s) on the stage of the viewing unit.
2. Using the film clips, clamp the film down.
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HIGH-PRECISION-STEREO
COMPARATOR
The High-Precision-Stereo Comparator (HPSC) appears in Figure 5.
This device permits stereo viewing of frame, panoramic, and strip stereo-
scopic photography. For information on the operation and maintenance of
this device see the following manuals which are kept in the HPSC remote
station --
* Stereocomparator Operator's Manual,
* "Systems and Stereo Comparator Program Documentation,
Section 4, "Operations, "
* Computer Program Specifications and Instructions,
FIGURE 5. HIGH-PRECISION-STEREO COMPARATOR.
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HIGH-PRECISION STEREO VIEWER
AND POINT TRANSFER DEVICE
The High-Precision Stereo Viewer and Point Transfer Device (Figure 6)
is used to view both spooled film and film chips. The eyepiece assembly
permits viewing in a variety of modes, such as stereo, reversed stereo,
binocular monoscopic, 180 degrees upright reversion, and superimposed.
Details on the operation and maintenance of this device can be found in
the operation and maintenance Manual for Model 552 High-Precision Stereo
Viewer and Point Transfer Device published by A copy
of this manual can be found in the same remote station as the "Point Trans-
fer Device" you are using.
FIGURE 6. HIGH-PRECISION STEREO VIEWER AND POINT TRANSFER DEVICE.
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The Stereo Comparator (Figure 7) is used for measuring large pairs
of stereoscopic photography. Film chips as large as 10 inches square and
film strips up to 10 feet in length can be accommodated. Details on the
operation and maintenance of this device can be found in Instruction and
Maintenance Manual Type 1740A Stereo Comparator published by the
AA copy of this manual can be found in the same remote station
ereo Comparator you are using.
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TWIN STAGE ON-LINE
COMPARATOR
The Twin Stage On-Line Comparator (Figure 8) is used to measure pairs
of stereoscopic photography. Film chips up to 6 inches square can be accom-
modated. Details on the operation and maintenance of this device can be
found in Instruction and Maintenance Manual Type 1740 Twin'Sta a On-Line
Comparator published by the A copy of this manual 25X1
can be found in the same remote station as the win Stage On-Line Comparator
you are using.
FIGURE 8. TWIN STATE ON-LINE COMPARATOR.
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0
There are five buttons on a comparator which you will use to transmit
points to the program. These buttons are labeled FIDUCIAL, INITIAL, INTER-
MEDIATE or NORMAL, TERMINAL, and MULTIPLE or ERROR. On an = they appear
on t e in console in the area marked DATA RECORD. On a Chip,
I cmparator they appear on the transmission panel of the electronic mo-
ule ion the area marked READOUT CHARACTERS. For the location of the trans-
mission buttons on a stereo comparator, see the instruction manual for the
particular stereo comparator you are using. How to use the transmission
buttons is explained in Table 5.
How To Use
FIDUCIAL During comparator initialization, to transmit film
reference points to establish coordinate system
After all output is received, to terminate frame
operations
INITIAL To begin new sequence of points; previous points dis-
regarded
In options using variable filmspeed, to transmit
point required for determining measured filmspeed
For plotter initialization, to transmit points to
establish plot origin and scale
For stereo options, to transmit points to obtain
relative orientation of two frames or chips of
photography
When using the CIRCLE output function, to transmit
points on the circumference of a circle
When using the CYLINDER or CYLINDER SHADOW output
functions, to transmit points on each side of the
cylinder or cylinder's shadow
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0
There are five buttons on a comparator which you will use to transmit
points to the program. These buttons are labeled FIDUCIAL, INITIAL, INTER-
MEDIATE or NORMAL, TERMINAL, and MULTIPLE or ERROR. On an =they appear
on the main console in the area marked DATA RECORD. On a Chip,
I icomparator they appear on the transmission panel of the electronic mo-
dule in the area marked READOUT CHARACTERS. For the location of the trans-
mission buttons on a stereo comparator, see the instruction manual for the
particular stereo comparator you are using. How to use the transmission
buttons is explained in Table 5.
How To Use
FIDUCIAL During comparator initialization, to transmit film
reference points to establish coordinate system
After all output is received, to terminate frame
operations
INITIAL To begin new sequence of points; previous points dis-
regarded
In options using variable filmspeed, to transmit
point required for determining measured filmspeed
For plotter initialization, to transmit points to
establish plot origin and scale
For stereo options, to transmit points to obtain
relative orientation of two frames or chips of
photography
When using the CIRCLE output function, to transmit
points on the circumference of a circle
When using the CYLINDER or CYLINDER SHADOW output
functions, to transmit points on each side of the
cylinder or cylinder's shadow
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Table 5. How To Use the Transmission Buttons (continued)
Button How To Use
INTERMEDIATE In options using variable filmspeed, to correct errors
in transmission of I points required for determining
OR measured filmspeed
In options using stereo photography, to correct errors'
in transmission of I points required for obtaining
relative orientation of two frames or chips of
photography
When using CIRCLE, CYLINDER, or CYLINDER SHADOW output
functions, to delete I point erroneously transmitted
TERMINAL To terminate a sequence of points as in
* closing a polygon
In a sequence countaining an I point,
several N points, & a T point, trans-
mission of T will cause calculations
to be performed from last N to T &
then from T to I
* In the illustrations the points are numbered in the order in which they
may be transmitted. Designators for the points are: F = fiducial,
I = initial, N = intermediate or normal, T = terminal, and M = multiple.
11-31
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Table S. How To Use the Transmission Buttons (continued)
TERMINAL
(cont.)
How To Use
* spoking
In a sequence containing an I point
& several T points, calculations are
performed from I to each T; no calcu-
lations are performed from one T point
to another
T5 ?
To indicate end of transmission of time marks to be
used for determining measured filmspeed; variable
filmspeed options only
To indicate end of transmission of points for obtain-
ing relative orientation of two frames or chips of
photography; stereo options only
To indicate the end of transmission of points for
CIRCLE, CYLINDER, & CYLINDER SHADOW output
functions
11-32
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Table 5. How To Use the Transmission Buttons (continued)
Button How To Use
Oe--M3
1 ~
11-33
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To obtain measurements with points which can only be
estimated; if a point is indefinite, a series of
approximate points can be sent as M points; after
sending M points, send appropriate point, i.e.,
I, N, or T; M points plus I, N, or T are geometric-
ally averaged to produce 1 point; calculations
performed on averaged point as though transmitted
with specified designator
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0
Every comparator used with the RTMP has an array of 16 buttons used to
determine
output. These buttons appear on the main console of an 0 in
25X1
the
area
marked INDICATIVE FUNCTIONS. On a Chip,
comparator
25X1
they
are
located on the transmission panel of the electronic mo ule and are
marked INSTRUCTION CHARACTERS. If you are using any of the stereoscopic
comparators described earlier, see the instruction manual for the particular
comparator you are using.
The number of output functions can be increased ten times by using the
first rotary switch which is located on the electronic module of all com-
parators except the HPSC. (See the HPSC instruction manuals located in the
HPSC remote station.) Each of the ten settings, 0 through 9, of this ro-
tary switch has the capability of giving an alternate meaning to the array
of output function buttons. However, only four settings, 0 through 3, are
presently in use. The settings of 0 and 2 are used for monoscopic opera-
tions; 1 and 3 for stereoscopic operations. The output functions used most
frequently are available for each of the four settings. Figures 9-12
illustrate the output functions available for rotary switch settings ?
through 3.
You must select the correct rotary switch setting and then press the
appropriate output function button(s) for the computations you want before
you transmit a sequence of points. Several output function buttons may be
pressed concurrently to obtain various calculations for one sequence of
points. After you receive the output for a given sequence of points, you
may release the output function button(s), change the rotary switch setting,
and press the appropriate output function button(s) for the next sequence
of points. The output function buttons are explained in Table 6.
How to use the output function buttons and the transmission buttons
to obtain mensural output is explained in Table 7.
11-34
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RELIEF
HEIGHT
Mt SHADOW
HEIGHT
PLOTTER LINE PLOT
INITIALIZATION
NORTH ARROW GROUND XYZ
COORDINATES
M2 SHADOW
11 HEIGHT
GEODETIC
COORDINATES
POINT
IDENTIFICATION
FIGURE 9. OUTPUT FUNCTION BUTTONS WITH ROTARY SWITCH SETTING AT QJ (for
monoscopic operations).
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MI SHADOW
HEIGHT
GROUND XYZ
COORDINATES
M2 SHADOW
HEIGHT
CYLINDER
SHADOW
GEODETIC
COORDINATES
POINT
IDENTIFICATION
FIGURE 10. OUTPUT FUNCTION BUTTONS WITH ROTARY SWITCH SETTING AT 2 (for
monoscopic operations).
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SLANT
DISTANCE
GEODETIC
COORDINATES
PLOTTER
INITIALIZATION
RELATIVE
ORIENTATION
(R/O)
HORIZC>I*ITAL
DISTANCE
SETR/O
TO IDENTITY
"VERTICAL
DISTANCE
M1 SHADOW
H66 14T
GROUND X
COORDINATE
GROUND RYZ
COORDINATES
POINT.
IDENTIFICATION
FIGURE 11. OUTPUT FUNCTION BUTTONS WITH ROTARY SWITCH SETTING AT 1 (for
stereoscopic operations).
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I
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GEODETIC
COORDINATES
RELATIVE
ORIENTATION
(R/O)
SET R/O
TO IDENTITY
VERTICAL
DISTANCE
GROUND Z
COORDINATE
GROUND XYZ
COORDINATES
POINT
IDENTIFICATION
FIGURE 12. OUTPUT FUNCTION BUTTONS WITH ROTARY SWITCH SETTING AT 3 (for
stereoscopic operations).
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Table 6. Output Function Buttons
Rotary Switch
Button Setting*
Output
- between 2 consecutive points
at ground level
- between series of points at
ground level
- between 1 initial point &
several terminal points, each
of which is used to calculate
distance from initial point;
called spoking
- from true North of 2 consecu-
tive points at same elevation;
always relative to first 2
points transmitted
- from center point to several
other points
N.B. Any azimuth calculated
between 2 points less than
2 ft. apart will have a
very questionable accuracy
due to pointing errors
AREA
Q! & 2
Area of a polygon
GEODETIC
Geodetic position of point trans-
COORDINATES
0,1,2&3
mitted
Rotary switch settings 0 and 2 are for monoscopic operations; settings
1 and 3 are for stereoscopic operations.
11-39
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Table 6. Output Function Buttons (continued)
Rotary Switch
Button Setting
Output
RELIEF HEIGHT 0 & 2 i Relief height of vertical objects
only; e.g., poles, walls, bldgs.,
or holes
Ml SHADOW HEIGHT 0,1,2&3 M1 shadow height; vertical ob-
jects; uses solar elevation,
position of tip of shadow, &
position of base of shadow
to calculate height; for best
results, shadow should lie on
level ground
M2 SHADOW HEIGHT
0 & 2 M2 shadow height of o
so called Q factor
bjects; al-
shadow
Q-AZIMUTH
0 &
height; uses sun an
azimuth, position
object's shadow &
top of object to c
vertical distance
2 Q-azimuth of object;
gle, solar
of tip of
position of
alculate
the azimuth
PLOTTER
between end of sha
object and project
point defined by a
camera station thr
object
Used to coordinate f
dow cast by
ed ground
line from
ough top of
rame of pho-
INITIALIZATION
0 &
1 tography & plotter
; sets plot-
LINE PLOT
.0 &
ter origin & deter
of plot
1 Plotted lines; deter
mines scale
mined by type
of point transmitt
ed
TOP SECRET
- initial pen head moves;
no line drawn;
used to move
from one set of
plotted lines to
another
0
?
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Table 6. Output Function Buttons (continued)
Rotary Switch
Button Setting
LINE PLOT
(continued)
Output
- intermediate pen head moves;
line is drawn
- terminal pen head moves;
line is drawn
Spoking:
a sequence with an initial
point & several terminal
points will cause spoking;
line drawn from initial point
to each terminal point
Closing a polygon:
?
is
a terminal point preceded by
several intermediate points &
an initial point; when termi-
nal point is transmitted, line
is drawn from last intermedi-
ate to terminal & then from
terminal to initial point
POINT PLOT $3 & 1 Plot of points; plotter will
"dot" desired points; "dot"
is very small < with vertex at
transmitted point's position;
after each terminal point is
plotted, pen head returns to
initial point of sequence
11-41
TOP SECRET
Line plot of object with correc-
tions made for relief dis-
placement
True-north arrow drawn on com-
pleted plot
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0
Table 6. Output Function Buttons (continued)
Rotary Switch
Setting Output
GROUND XYZ
X1,1,2&3
CMC ECHO
0,1,2&3
POINT
IDENTIFICATION
13,1,2&3
CIRCLE
2 & 3
Local vertical coordinates of
point transmitted; this co-
ordinate system has z axis
positive up along geodetic
normal, y axis in direction
of ground track velocity vec-
tor & x axis to form a right-
handed system; origin of sys-
tem is at lens node of camera
at time of
- reference scan for panoramic
photography
- on stereo mensuration all
points will be relative to the
first data point transmitted
Comparator coordinates in microns
& counts; same count as x & y
coordinates in windows on com-
parator
Identification of 2 points used
for concurrent calculations; ro-
tary switches must be advanced
for each point transmitted
The best fitting diameter for the
circle pointed; also the maxi-
mum and minimum diameter for
the points transmitted
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?
?
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Table 6. Output Function Buttons (continued)
Rotary Switch
Button Setting
Output
Diameter of the cylinder pointed,
distance between the 2 parallel
lines (or "edges of cylinder")
pointed, the maximum residuals
of the 2 parallel lines, and
the azimuth of the 2 parallel
lines
N.B. This function is not ac-
curate for inclined cylin-
ders
CYLINDER
SHADOW 2
Diameter of the cylinder pointed,
distance between the 2 parallel
lines (or "edges of cylinder's
shadow") pointed, the maximum
residuals of the 2 parallel
lines, & the azimuth of the 2
parallel lines
- between 2 consecutive points
at ground level
- between series of points at
at ground level
- between 1 initial point & se-
veral terminal points, each of
which is used to calculate dis-
tance from initial point;
called spoking
HORIZONTAL
DISTANCE 1 & 3
- between 2 consecutive points
at ground level
41
11-43
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Table 6. Output Function Buttons (continued)
Rotary Switch
Button Setting
HORIZONTAL
DISTANCE
(continued)
Output
- between series of points at
ground level
between 1 initial point &
several terminal points,
each of which is used to
calculate distance from
initial point; called spok-
ing
VERTICAL
DISTANCE
1 &
3
- between 2 consecutive points
at ground level
- between series of points at
at ground level
- between 1 initial point & se-
veral terminal points, each of
which is used to calculate dis-
tance from initial point;
called spoking
GROUND Z
The Z coordinate of the ground
COORDINATE
1 &
3
coordinates
RELATIVE
Relative orientation
of stereosco-
ORIENTATION (R/O)
1 &
3
pic pairs of photog
respect to each ot
tional pitch, roll
raphy with
her; an addi-
& yaw
SET R/O TO
Nullifies relative o
rientation;
IDENTITY
1 &
3
sets matrix to ide
ntity
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 ?
Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output*
Calculationt
Distance: between 2
consecutive points
at ground level
Distance: between series
of points at ground level
Procedures
Turn first rotary switch to
desired setting
Press DISTANCE button & trans-
mit point 1 as initial point
Transmit point 2 as terminal
point
Turn first rotary switch to
desired setting
Press DISTANCE button & trans-
mit point 1 as initial point
Transmit point 2 as interme-
diate point
Transmit point 3 as interme-
diate point
Transmit point 4 as terminal
point
Mensural Output
Distance between points
1 & 2
Distance between points
1 & 2
Distance between points
2 & 3
Distance between points
3 & 4; distance between
points 4 & 1
?
* In the illustrations the points are numbered in the order in which they may be transmitted.
Designators for the points are: I = initial, N = intermediate or normal, & T = terminal.
t The calculations in column one are samples.
 Calculation
Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output (continued)
0
Distance: spoking; between 1
initial point & several ter-
minal points; each terminal
point used to calculate dis-
tance from initial point
0
Azimuth: from true north of
line between 2 consecutive
points referenced at initial
point; a = azimuth
- Procedures
Turn first rotary switch to
desired setting
Press DISTANCE button & trans-
mit point 1 as initial point
Transmit point 2 as terminal
Distance between points
point
1 & 2
--1
Transmit
oint 3 as terminal
Distance between
oints
p
p
O
point
1 & 3
V1
Transmit point 4 as terminal
Distance between points
m
r1
point
1 & 4
7O
rn
Turn first rotary switch to
desired setting
Mensural Output
Press AZIMUTH button & trans-
mit point 1 as initial point
Transmit point 2 as terminal
point
Azimuth of points 1 & 2
?
?
 Procedures
Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output (continued)
Calculation
Azimuth: of series of lines
N2
N3 N4
Turn first rotary switch to
desired setting
Press AZIMUTH button & trans-
mit point 1 as initial point
Transmit point 2 as inter-
mediate point
Mensural Output
Azimuth of line between
points 1 & 2
Transmit point 3 as inter-
mediate point
Transmit point 4 as inter-
mediate point
Transmit point 5 as ter-
minal point
Azimuth of line between
points 2 & 3
Azimuth of line between
points 3 & 4
Azimuth of line between
points 4 & 5; azimuth
of line between points
5 & 1
 Procedures
Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output (continued)
Calculation
Azimuth: spoking from center
point to several other points
25X1 N7 T8
Turn first rotary switch to
desired setting
Press AZIMUTH button & trans-
mit point 1 as initial point
Transmit point 2 as terminal
point
Mensural Output
Azimuth of line between
points 1 & 2
Transmit point 3 as terminal
point
Transmit point 4 as terminal
point
Turn first rotary switch to
desired setting
Press AREA button & transmit
point 1 as initial point
Proceeding clockwise or coun-
ter clockwise, transmit all
points as intermediate
points except point 8
Transmit point 8 as terminal
point
Azimuth of line between
points 1 & 3
Azimuth of line between
points 1 & 4
Area of a polygon
?
?
 Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output (continued)
Calculation
Procedures
Geodetic Coordinates: of Turn first rotary switch to
single point desired setting
Mensural Output
Press GEODETIC COORDINATES Latitude & longitude of
button & transmit point point transmitted
O
Relief Height: vertical Turn first rotary switch to
objects only;.e.g. poles, desired setting
walls, buildings, holes
Press RELIEF HEIGHT button
& transmit point 1 as ini-
tial point; must represent
bottom of structure or
point nearest earth's sur-
face
I Transmit point 2 as terminal Relief height of structure
point; must represent oppo-
Earth's site end of structure, di-
Surface rectly above or below point
1
 Calculation
Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output (continued)
Ml Shadow Height: shadow should
be on level ground; shadows
not on level ground will be
projected to the horizontal
at base of object; height of
vertical objects only; solar
elevation, position of tip
of shadow, & position of
base of shadow used to
calculate height
Procedures
Turn first rotary switch to
desired setting
Press Ml SHADOW HEIGHT but-
ton & transmit point 1 as
initial point; must repre-
sent tip of object's sha-
dow
Mensural Output
Transmit point 2 as terminal Ml shadow height of ver-
point; must be at base of tical object
shadow on a line parallel
to edge of shadow trans-
mitted as point 1
Earth's
Surface
40
?
-i
O
M
r.
;0
M
-1
 Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output (continued)
M2 Shadow Height: Q-factor
shadow height; vertical
distances only; uses sun
angle, solar azimuth, po-
sition of tip of object's
shadow, & position of top
of object to calculate
height
Earth's
Surface
Procedures
Turn first rotary switch to
desired setting
Press M2 SHADOW HEIGHT but-
ton & transmit point 1 as
initial point; must repre-
sent tip of vertical ob-
ject's shadow
Mensural Output
Transmit point 2 as terminal M2 shadow height of ver-
point; must represent top tical object
of object corresponding to
point on shadow sent as
point 1
 Table 7. Using Transmission and Output Function Buttons
to obtain Mensural Output (continued)
0
Calculation
Procedures Mensural Output
Q-Azimuth: theoretical Turn first rotary switch to ------
azimuth from end of desired setting
shadow cast by verti-
cal object to projec- Press Q-AZIMUTH button & Theoretical azimuth of
ted ground point de- transmit point A as ini- line segment AB
fined by a line from tial point
camera station through
top of object
Camera Station
O
m
r"%
M
 Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural output (continued)
Calculation
Relief Plot: for bldg with
considerable relief dis-
placement, e.g., roof to
be shifted over base of
bldg
Procedures
Turn first rotary switch to
Mensural Output
desired setting
Press LINE PLOT button & drive
pen head to base of object
by transmitting base as ini-
tial point
Release LINE PLOT button &
press RELIEF PLOT button
0
Transmit
as intermediate point
LOS
top of
object that corre-
rn
sponds
to initial point
r%
transmitted for base
rn
--I
After RELIEF PLOT READY mes- Line plot with relief dis-
sage is printed on tele- placement correction
type, transmit all other made
points for which relief
displacement correction is
necessary
To do relief plotting with a
different height or to use
other plotting functions,
release RELIEF PLOT button
& press LINE PLOT or POINT
PLOT button & continue plot-
ting
 Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output (continued)
Calculation Procedures
North Arrow: on completed plot Turn first rotary switch to
desired setting
Mensural Output
With plotter drives, move North arrow
pen head to unmarked area;
press NORTH ARROW button
& transmit any point as
initial point
Ground XYZ Coordinates: of sin- Turn first rotary switch to
gle point desired setting
Press GROUND XYZ button & Coordinates of point in
transmit point local coordinate system
CMC Echo: of single point
Turn first rotary switch to
desired setting
Press CMC ECHO button & CMC coordinates of point
transmit point transmitted
Point Identification: of 2 Turn first rotary switch to
points in sequence of points desired setting
Press POINT IDENTIFICATION Identification of 2 points
button; set rotary switches of a sequence used for
on electronic module to de- concurrent calculations
sired values; transmit se-
quence of points
0
 ?
?
Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output (continued)
O
Calculation
Circle: diameter of circle at
ground level; must transmit
at least 3 & no more than
20 points
Procedures
Turn first rotary switch to
desired setting
Press CIRCLE button & trans-
mit point 1 as initial
point
Transmit all other points
on circle as initial
points until you reach
the last point; if a
point is transmitted in
error, delete it by
transmitting a normal
point
Mensural Output
Transmit the last point The best fitting diameter
as a terminal point of the circle; & the max-
imum & minimum diameters
of the points transmitted
?
 Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output (continued)
0
H
0
Calculation
Cylinder: diameter of cylinder
when the edges are identified;
an equal number of points must
be transmitted for each edge;
no more than 14 points per
edge can be transmitted
16 17 18
Procedures
Turn the first rotary switch
to desired setting
Press CYLINDER button & trans-
mit points 1-4 as initial
points; if a point is trans-
mitted in error, delete it
by transmitting a normal
point
Transmit point 5 as terminal
point
Transmit points 6-9 on the
other edge as initial
points; if a point is
transmitted in error, de-
lete it by transmitting a
normal point
Transmit point 10 as a termi-
nal point
?
Mensural Output
Diameter of the cylinder;
distance between the 2
parallel lines (or edges)
of the cylinder; the
maximum residuals & the
azimuth of the 2 paral-
lel lines
?
O
M
n
M
-1
 Cylinder Shadow: diameter of
cylinder when edges of its
shadow are identified; an
equal number of points must
be transmitted for each
edge; no more than 14 points
per edge can be transmitted
Press CYLINDER SHADOW button
& transmit points 1-4 as
initial points; if a point
is transmitted in error, de-
lete it by transmitting a
normal point
Transmit points 6-9 on the
other edge of the shadow
as initial points; if a
point is transmitted in
error, delete it by trans-
mitting a normal point
Diameter of the cylinder;
distance between the 2
parallel lines (or edges)
of the cylinder's sha-
dow; the maximum residu-
als & the azimuth of the
2 parallel lines
 Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural output (continued)
Slant Distance: between 2
consecutive points at
ground level
See "Distance: between 2 Slant distance of points
consecutive points...." transmitted; see "Dis-
for remaining procedures tance: between 2 con-
secutive points...."
Slant Distance: between
series of points at
ground level
See "Distance: between se- Slant distance of points
ries of points...." for transmitted; see "Dis-
remaining procedures tance: between series
of points....."
?
Slant Distance: spoking;
between 1 initial point
& several terminal
points; each terminal
point used to calculate
distance from initial
point
Procedures Mensural Output
Turn first rotary switch to
desired setting
Turn first rotary switch
to desired setting
Turn first rotary switch to
desired setting
See "Distance: spoking....." Slant distance of points
for remaining procedures transmitted; see "Dis-
tance: spoking..... "
0
?
 ?
Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output (continued)
Calculation
?
Procedures Mensural Output
Horizontal Distance: between Turn first rotary switch to
2-consecutive points at ground desired setting
level
Press HORIZONTAL DISTANCE
button
O
H
V' H
m I
n N
70
m
See "Distance: between 2 Horizontal distance of
consecutive points...." points transmitted; see
for remaining procedures "Distance: between 2
consecutive points...."
Horizontal Distance: between Turn first rotary switch
series of points at ground to desired setting
level
Press HORIZONTAL DISTANCE
button
See "Distance: between se- Horizontal distance of
ries of points....." for points transmitted; see
remaining procedures "Distance: between se-
ries of points....."
?
 Calculation
Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output (continued)
Horizontal Distance: spoking;
between 1 initial point &
several terminal points;
each terminal point used to
calculate distance from
initial point
Vertical Distance: between
2 consecutive points at
ground level
Procedures
Turn first rotary switch to
desired setting
Press HORIZONTAL DISTANCE
button
See "Distance: spoking...."
for remaining procedures
Mensural Output
Horizontal distance of
points transmitted; see
"Distance: spoking...."
Turn first rotary switch to
desired setting
Press VERTICAL DISTANCE
button
See "Distance: between 2
consecutive points...."
for remaining procedures
Vertical distance of points
transmitted; see "Dis-
tance: between 2 con-
secutive points...."
is
?
 Table 7. Using Transmission and Output Function Buttons
to Obtain Mensural Output (continued)
Calculation
Vertical Distance: between
series of points at ground
level
Vertical Distance: spoking;
between 1 initial point &
several terminal points;
each terminal point used
to calculate distance from
initial point
Procedures
Turn first rotary switch to
desired setting
Press VERTICAL DISTANCE
button
See "Distance: between
series of points...."
for remaining procedures
Turn first rotary switch to
desired setting
Press VERTICAL DISTANCE
button
See "Distance: spoking...."
for remaining procedures
Mensural Output
Vertical distance of points
transmitted; see "Dis-
tance: between series
of points...."
Vertical distance of
points transmitted; see
"Distance: spoking...."
O
M
M
 Table 7. Using Transmission and Output Function Buttons
to obtain Mensural Output (continued)
0
Calculation
Ground Z Coordinate: of
a single point
Relative Orientation: of
stereoscopic pairs of pho-
tography with respect to
each other; must transmit
at least 6 and no more than
20 points which must be as
close as possible to the
same ground elevation
Procedures
Mensural Output
Turn first rotary switch to
desired setting
Press GROUND Z COORDINATE
button & transmit point
as an initial point
The Z coordinate of the
ground coordinates of
the point transmitted
Turn first rotary switch to
desired setting
Press R/O button & transmit
first point as initial
point
Transmit all other points ex-
cept the last one as initi-
al points; if a point is
transmitted in error, de-
lete it by transmitting a
normal point
Transmit the last point as
a terminal point
An additional pitch, roll,
& yaw
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1. Draw the longest line segment that can be drawn through
the area to be plotted.
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A li plotter (Figure 13) is used with the Real-Time Mensuration
Program to obtain a plot of objects discernible on film according to a
specified scale and size. It can produce a plot up to 29.5 inches wide.
TURN-ON
PROCEDURES
Turning Lotter on involves these steps in the order listed.
1. Move the POWER dial to the ON position.
2. Move the CHART DRIVE dial to the ON position.
3. Move the PEN dial to the UP position and then release it.
4. Using the CARRIAGE FAST RUN dial, drive the pen head to
the center of the drum.
5. Using the DRUM FAST RUN dial, supply the plotter with
adequate paper.
INITIALIZING
A PLOTTER
Before a plotter can be used with the RTMP, the photo-plot environ-
ment must be established, i.e., initialization must take place. To
initialize a plotter, press the PLOTTER INITIALIZATION button and
then follow ese procedures in the order listed.
2. Transmit the approximate center of the area to be
plotted as an initial point. You will receive this
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message via the teletype you are using:
ORIGIN SET--SEND FIRST IMAGE LIMIT
3. Transmit one end point of the line drawn as an initial
point. You will receive this message:
4. Transmit the other end point of the line as an initial point.
You will receive this message:
PLOTTER INITIALIZED
SCALE = 1:XXXX
The scale is the scale of the rectified plot to be drawn.
It is the ratio between the parameter entered for plot
distance and the distance between the image limits on the
plotter.
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CHAPTER III. PROCESSING PHOTOGRAPHY FROM THE KH-4A AND KH-4B
CAMERA SYSTEMS
Using the Real-Time Mensuration Program to process photography derived
from the KH-4A and KH-4B camera systems involves these steps in the order
listed:
STEP 1 obtaining parameters
40 STEP 2 choosing ellipsoids
STEP 3 marking fiducials (or measuring grid coordinates)
STEP 4 initializing a teletype
STEP 5 submitting parameters
STEP 6 initializing a comparator
STEP 7 transmitting points for calculations
STEP 8 terminating frame operations
There are several options under which KH-4 photography may be processed.
The options available are these:
Monoscopic Options
K4A frame of photography; KH-4A camera system
K4B frame of photography; KH-4B camera system
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K4BR frame of photography; KH-4B camera system;
MPF retrieval
C4A chip of photography; KH-4A camera system
C4B chip of photography; KH-4B camera system
C4BR chip of photography; KH-4B camera system;
MPF retrieval
Stereoscopic Options
SK4A two frames of stereo photography; KH-4A
camera system
SK4B two frames of stereo photography; KH-4B
camera system
SK4BR two frames of stereo photography; KH-4B
camera system; MPF retrieval
SC4A two chips of stereo photography; KH-4A
camera system
SC4B two chips of stereo photography; KH-4B
camera system
SC4BR two chips of stereo photography; KH-4B
camera system; MPF retrieval
When using any of the stereoscopic options, two additional steps are
available. They are:
* transmitting relative orientation (R/O) points
to calculate the relative orientation of the
two frames or chips of photography
* switching to the corresponding monoscopic op-
tion for either the left or right stage
Both of these steps are optional.
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OBTAINING
PARAMETERS
You will be responsible for obtaining all parameters needed for each
use of the program. Parameters will identify the film being processed, and
they will be transmitted via an on-line teletype. If you want the program
to produce a plot, you will also need a parameter for plot distance. The
use of this capability is optional.
Before using the program, assemble all required parameters. These
parameters and their sources are listed in Table 8. Most parameters appear
in the Best-Fit Ephemeris for the mission from which the film is derived.
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Table 8. Parameters Needed for K4A Option
Project number; assigned by NPIC;
6 digits & alpha suffix if appli-
cable
Emulsion; up or do
Mission number
Pass number
Frame number
Camera A or F; A for aft looking
camera; F for forward looking
camera
Focal length; millimeters
Vehicle pitch; degrees
Vehicle roll; degrees
Vehicle yaw; degrees
Nadir latitude; degrees, minutes,
& direction
Nadir longitude; degrees, minutes,
& direction
Center of format latitude; degrees,
minutes, & direction
Center of format longitude; degrees,
minutes, & direction
Inertial velocity; feet per second
Current MIS active project
listing
You must determine
Film
Film
Film
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Orbital Mission Listing for the
mission from which the film was
derived for all missions prior to
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Table 8. Parameters Needed for K4A Option (Continued)
Inertial velocity; feet per second
(continued)
Ground track velocity; feet per
second
Inertial azimuth; degrees & minutes
Ground track azimuth; degrees &
minutes
Sun elevation; degrees & minutes
Sun azimuth; degrees & minutes
Altitude; feet
Scan rate; radians per second
Elevation (of target area); posi-
tive if above sea level; feet
Ellipsoid; earth ellipsoid which
best fits the target area
Plot distance; optional; distance
in inches on plotter; for plot-
ter initialization, used with
image limits to determine scale
if the Orbital Mission List-
ing is not available, use the
ground track velocity in place of
the inertial velocity & the pro-
gram will make the necessary 25X1
changes needed for correct calcu-
lations; for mission _& all
subsequent missions see the Best-
Fit Ephemeris
Orbital Mission Listing for the mis-
sion from which the film was derived
for all missions prior to if
the Orbital Mission Listing is not
available, use the ground track
azimuth in place of the inertial
azimuth & the program will make the
necessary changes needed for correct
calculations; for mission 0 &
all subsequent missions see the
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Maps & research material
To meet your specifications
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CHOOSING
ELLIPSOIDS
When evaluating film you will indicate the earth ellipsoid which best
fits the target area. Choose the best fitting ellipsoid out of the six pre-
sently available and enter the mnemonic for that ellipsoid as a parameter.
The six ellipsoids, their mnemonics, and their measurements including the
eccentricity squared (E2) of each ellipsoid are given below.
Ellipsoid
Mnemonic
Measurement
Mission Correlation Data or
MCD
Semi-major axis---
6378177.8 m.
Mission Performance Report
Semi-minor axis---
6356796.05 m.
E2 ---------------
.006693422
Krassovsky
KVY
Semi-major axis---
6378245.0 m.
Semi-minor axis---
6356863.0188 m.
E2 ---------------
.006693422
International
INT
Semi-major axis---
6378388.0 m.
Semi-minor axis---
6356911.9961 m.
E2 ---------------
.006722670
Clarke 1866
CRK
Semi-major axis---
6378206.4 m.
Semi-minor axis---
6356583.8 m.
E2 ---------------
.006768658
Bessel
BSL
Semi-major axis---
6377397.155 m.
Semi-minor axis---
6356078.9628 m.
E2 ---------------
.006674372
Army Map Service
AMS
Semi-major axis---
6378270.0 m.
Semi-minor axis---
6356794.3434 m.
E2 ---------------
.006722670
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MARKING
FIDUCIALS
Mount the film positive, emulsion side up, on a light table. There
will be a small triangular jutting located between the date and the classi-
fication on the frame. Fiducial 1 will be the midpoint of the base of the
triangle. Mark this point so that you can locate it again later. Fiducial
2 will be an arbitrary point along the format edge in the direction that
the titling reads. See Figure 14, which appears at the end of this chapter.
INITIALIZING
A TELETYPE
Before you can measure using the Real-Time Mensuration Program, the
teletype must be initialized, that is, you must indicate to the program
the type of photography to be processed and the camera system that produced
the photography. To initialize a teletype follow these instructions in
the order given.
Press & release ALT MODE key
Press CTRL + U keys (simultaneously)
Type INIT
Press RETURN key
You will then receive this message on the teletype:
Press RETURN key
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You will then receive this message:
Load the film positive on the comparator. Procedures for mounting film on
a comparator will depend on which comparator you use. These procedures can
be found in CHAPTER II, THE EQUIPMENT.
SUBMITTING
PARAMETERS
You will now receive a series of messages requesting parameters. Each
message will consist of a request for a specific parameter and the format
of that parameter. Characters used in the formats are these:
X = number
Z = letter
S = plus or minus sign
= dash
= decimal point
As you receive each message, type the requested parameter in the correct
format and then press the RETURN key. You must press the RETURN key after
you enter each parameter. For example, when you receive this message:
PROJECT NUMBER XXXXXX
complete the message by typing the correct project number.
PROJECT NUMBER XXXXXX 111050
Then press the RETURN key.
The program provides you with three methods for correcting errors. If
you make an error(s) while submitting parameters, follow the appropriate
set of instructions.
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Correcting Characters
If the last character you typed was erroneous, you can correct it by
using the upper case symbol on the N key (?). Press the SHIFT key and the
N key simultaneously. Pressing these keys will produce an arrow and delete
the preceding character from the transmission. Then type the correct
character. The incorrect character will remain on the printed page. For
example:
You can delete up to five consecutive characters. If you have more than
one character to correct, press the SHIFT key and the N key to delete each
one. Then type the correct characters.
Correcting Lines
If you have made an error in the preceding line, you can delete that
line. Simply type DELET and then press the RETURN key. The preceding
line, i.e., the parameter and its format, will be reprinted. Type the
correct parameter and then press the RETURN key.
For example,
ENTER SYSTEM NAME
K4A
LOAD FILM
PROJECT NUMBER
XXXXXX
111052
EMULSION
ZZ
DELET
RETURN key
PROJECT NUMBER
XXXXXX
111050
RETURN key
EMULSION
ZZ
You may delete as many lines as you wish. If you have more than one
line to delete, type DELET and then press the RETURN key for each line.
Each time you do this, the program will back up the parameter list one
line. After you have deleted the last erroneous line and that parameter
and its format have been reprinted, resume typing parameters.
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ENTER SYSTEM NAME K4A
LOAD FILM
PROJECT NUMBER XXXXXX 111052
EMULSION ZZ UP
MISSION XXXX-X DELET RETURN key
EMULSION ZZ DELET RETURN key
PROJECT NUMBER XXXXXX 111050 RETURN key
EMULSION ZZ
Except for the first parameter, i.e., the system name, all parameters may
be deleted using this method.
Correcting an Entire
Parameter List
If you find that you have made several errors, you can delete the
entire parameter list and begin again. To do this, type INIT and then press
the RETURN key. The teletype will reprint ENTER SYSTEM NAME. Simply
type the parameters again.
Terminating Frame
Operations
At any time while you are submitting parameters, you may terminate
frame operations. If you decide not to continue processing for any reason,
simply type TERM and then press the RETURN key. The teletype will print
TERM.
INITIALIZING
A COMPARATOR
After you have submitted all parameters, this message will appear on
the teletype you are using:
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INITIALIZE VIEWER--SEND FIRST FIDUCIAL
Check the coordinate count on the control panel. The maximum permissible
count is 999999. If the count is 9.00909 or over, reset the counter to
Before you can use a comparator to obtain dimensional data, it must be
initialized, i.e., you must transmit fiducials to the program to establish
a coordinate system. Using the X and Y drive and the X and Y wheels, place
the comparator crosshairs over fiducial 1. Transmit fiducial 1 to the
program by pressing the FIDUCIAL button. You will then receive the coordi-
nates of fiducial 1 via the teletype. You will also receive this message:
Move the crosshairs about two to four inches to the right along the format
edge. This point is fiducial 2. Transmit fiducial 2 by pressing the
FIDUCIAL button. You will receive the coordinates of fiducial 2 on the
teletype. The direction of flight azimuth and the inertial azimuth will
also be printed on the teletype. If they do not agree within a few degrees,
there is an error in one of the parameters which was input from the tele-
type. You should locate the error and determine whether to continue or to
start the program again. You will also receive this message:
TRANSMITTING POINTS
FOR CALCULATIONS
You are now ready to transmit points to be used for calculations by
the Real-Time Mensuration Program. However, if you want the program to pro-
duce a plot, you must first initialize the plotter. (See CHAPTER II, INI-
TIALIZING A PLOTTER section.) Then follow the instructions given below for
transmitting points for calculations.
1. Turn the first rotary switch to the desired setting.
2. Release any output function buttons that may have been
pressed.
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3. Press the appropriate output function buttons for the
calculations you want.
4. Position the comparator crosshairs over each point you
want to transmit. Transmit each of these points to the
program by pressing the appropriate transmission button.
Mensural calculations will be printed on the teletype. If you have
elected to have the program produce a plot, you will also receive that on
the plotter.
TERMINATING FRAME
OPERATIONS
After all measurements have been calculated, operations for the frame
being processed must be terminated by pressing the FIDUCIAL button. Place
the comparator crosshairs over fiducial 1. Press the FIDUCIAL button to
begin the termination of frame operations. You will then receive this
message on the teletype:
Measurements can continue to be calculated until you press the FIDUCIAL but-
ton twice in succession. When you press the FIDUCIAL button a second time,
you will receive this message:
FRAME OPERATIONS TERMINATED DATE TIME
POINTING COUNT = XX FILM DRIFT = XX.XX MICRONS
The pointing count is the total number of points transmitted including fidu-
cials. Film drift is the distance the film has moved at fiducial 1 from
the time fiducials 1 and 2 were first transmitted until frame operations
were terminated. Extensive film drift may result in inaccurate mensural
calculations.
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SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD FILM
PROJECT NUMBER XXXXXX
EMULSION ZZ
MISSION XXXX-X
PASS XXXZ
FRAME XXX
CAMERA A OR F Z
FOCAL LENGTH XXX.XXX
VEH PITCH SXX.XXXX
VEH ROLL SXX.XXXX
VEH YAW SXX.XXXX
NADIR LAT XX-XX.XXZ
NADIR LONG XXX-XX.XXZ
CTR FORMAT LAT XX-XX.XXZ
CTR FORMAT LONG XXX-XX.XXZ
IN VELOCITY XXXXX
GT VELOCITY XXXXX
IN AZIMUTH XXX-XX
GT AZIMUTH XXX-XX
EL-SUN XX-XX
SUN-AZ XXX-XX
ALTITUDE XXXXXXX
SCAN RATE X.XXX
ELEVATION SXXXXX
ELLIPSOID ZZZ
PLOT DIST XX.X
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111050
UP
X FID=- 0
Y FID=- 0
X FID=+ 90000
Y FID=+ 0
DOF AZIM= 205.352 DEG
IN AZIM= 202.388 DEG
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LAT= 24D 29M 39.4S N
LONG= 110D 57M 28.8S W
FIRST TERMINAL FID RECEIVED
FRAME OPERATIONS TERMINATED JAN. 10,73 1332+
POINTING COUNT= 5 FILM DRIFT= 5.00 MICRONS
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OBTAINING
PARAMETERS
You will be responsible for obtaining all parameters needed for each
use of the program. Parameters will identify the film being processed, and
they will be transmitted via an on-line teletype. If you want the program
to produce a plot, you will also need a parameter for plot distance. The
use of this capability is optional.
Before using the program, assemble all required parameters. These
parameters and their sources are listed in Table 9. Most parameters
appear on the MPF listing for the mission and bucket from which the photo-
graphy was derived.
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Table 9. Parameters Needed for K4B Option
Project number; assigned by NPIC;
6 digits & alpha suffix if
applicable
Emulsion; up or do
Mission number
Pass number
Frame number
Camera A or F; A for aft looking
camera; F for forward looking
camera
Focal length; millimeters
Vehicle pitch; degrees
Vehicle roll; degrees
Vehicle yaw; degrees
Nadir latitude; degrees, minutes,
& direction
Nadir longitude; degrees, minutes,
& direction
Center of format latitude; degrees
minutes, & direction
Center of format longitude; degrees
minutes, & direction
Inertial velocity; feet per second
Current MIS active project listing
You must determine
Film
Film
MPF listing
MPF listing
MPF listing
MPF listing
MPF listing
MPF listing
MPF listing
MPF listing
Orbital Mission Listing for the
mission from which the film was
derived for all missions prior to
if the Orbital Mission Listing
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25X1
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Table 9. Parameters Needed for K4B Option (Continued)
Inertial velocity; feet per second
(continued)
Ground track velocity; feet per
second
Inertial azimuth; degrees & minutes
Ground track azimuth; degrees &
minutes
Sun elevation; degrees & minutes
Sun azimuth; degrees & minutes
Altitude; feet
Scan rate; radians per second
Translation; microns
is not available, use the ground
track velocity in place of the
inertial velocity & the program will
make the necessary changes needed
for correct calculations; for mis-
sion = & all subsequent missions 25X1
see the MPF listing
MPF listing
Orbital Mission Listing for the
mission from which the film was
derived for all missions prior to
0 if the Orbital Mission List- 25X1
ing is not available, use the ground
track azimuth in place of the
inertial azimuth & the program will
make the necessary changes needed
for correct calculations; for mis-
sion = & all subsequent missions 25X1
see the MPF listing
MPF listing
MPF listing
MPF listing
MPF listing
MPF listing
MPF listing
Elevation (of target area); positive Maps & research material
if above sea level; feet
Ellipsoid; earth ellipsoid which
best fits the target area
Plot distance; optional; distance
in inches on plotter; for plot-
ter initialization, used with
image limits to determine scale
To meet your specifications
To meet your specifications
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CHOOSING
ELLIPSOIDS
When evaluating film you will indicate the earth ellipsoid which best
fits the target area. Choose the best fitting ellipsoid out of the six pre-
sently available and enter the mnemonic for that ellipsoid as a parameter.
The six ellipsoids, their mnemonics, and their measurements including the
eccentricity squared (E2) of each ellipsoid are given below.
Ellipsoid Mnemonic
Measurement
Mission Correlation Data or
MCD
Semi-major axis---
6378177.8 m.
Mission Performance Report
Semi-minor axis---
6356796.05 m.
E2 ---------------
.006693422
Krassovsky
KVY
Semi-major axis---
6378245.0 m.
Semi-minor axis---
6356863.0188 m.
E2 ---------------
.006693422
International
INT
Semi-major axis---
6378388.0 m.
Semi-minor axis---
6356911.9961 m.
E2 ---------------
.006722670
Clarke 1866
CRK
Semi-major axis---
6378206.4 m.
Semi-minor axis---
6356583.8 m.
E2 ---------------
.006768658
Bessel
BSL
Semi-major axis---
6377397.155 m.
Semi-minor axis---
6356078.9628 m.
E2 ---------------
006674372
.
Army Map Service
AMS
Semi-major axis---
6378270.0 m.
Semi-minor axis---
6356794.3434 m.
E2 ---------------
.006722670
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MARKING
FIDUCIALS
Mount the film positive, emulsion side up, on a light table. Note the
series of small white spots (rail holes) along the top of the frame. There
will be two irregularities to this series of rail holes:
* binary block
a small group of dots, some slightly raised
from the rail holes line; indicates vehicle
clock time
* center of format
a pair of rail holes directly over the frame
center
The Panoramic Geometry Stripe (PG Stripe) is a narrow white line on the
frame's border about 0.01 inches from the format edge. Extend a line
joining the two rail holes which are over the center of format until it
?
intersects the inside edge of the PG Stripe. This intersection will be
fiducial 1. With a pinpoint or by some other method, mark fiducial 1 so
that it can be located again later. Fiducial 2 will be on the PG Stripe
toward the titling of the frame. See Figure 15, which appears at the end
of this chapter.
INITIALIZING
A TELETYPE
Before you can measure using the Real-Time Mensuration Program, the
teletype must be initialized, that is, you must indicate to the program
the type of photography to be processed and the camera system that produced
that photography. To initialize a teletype follow these instructions in
the order given.
Press CTRL + U keys (simultaneously)
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Type K4B
Press RETURN key
You will then receive this message:
LOAD FILM
Load the film positive on a comparator. Procedures for mounting film on a
comparator will depend on which comparator you use. These procedures can
be found in CHAPTER II, THE EQUIPMENT.
SUBMITTING
PARAMETERS
You will now receive a series of messages requesting parameters. Each
message will consist of a request for a specific parameter and the format
of that parameter. Characters used in the formats are these:
X = number
Z = letter
S = plus or minus sign
= dash
= decimal point
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As you receive each message, type the requested parameter in the correct
format and then press the RETURN key. You must press the RETURN key after
you enter each parameter. For example, when you receive this message
PROJECT NUMBER XXXXXX
complete the message by typing the correct project number.
PROJECT NUMBER XXXXXX 111105
Then press the RETURN key.
The program provides you with three methods for correcting errors. If
you make an error(s) while submitting parameters, follow the appropriate
set of instructions.
Correcting Characters
If the last character you typed was erroneous, you can correct it by
using the upper case symbol on the N key (?). Press the SHIFT key and the
N key simultaneously. Pressing these keys will produce an arrow and delete
the preceding character from the transmission. Then type the correct
character. The incorrect character will remain on the printed page. For
example:
You can delete up to five consecutive characters. If you have more than
one character to correct, press the SHIFT key and the N key to delete each
one. Then type the correct characters.
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Correcting Lines
If you have made an error in the preceding line, you can delete that
line. Simply type DELET and then press the RETURN key. The preceding line,
i.e., the parameter and its format, will be reprinted. Type the correct
parameter and then press the RETURN key. For example,
0
ENTER SYSTEM NAME
K4B
LOAD FILM
PROJECT NUMBER
XXXXXX
111052
EMULSION
PROJECT NUMBER
ZZ
XXXXXX
DELET
111050
RETURN key
RETURN key
EMULSION
ZZ
You may delete as many lines as you wish. If you have more than one
line to delete, type DELET and then press the RETURN key for each line.
Each time you do this, the program will back up the parameter list one
line. After you have deleted the last erroneous line and that parameter
and its format have been reprinted, resume typing parameters.
For example,
ENTER SYSTEM NAME
K4B
LOAD FILM
PROJECT NUMBER
XXXXXX
111052
EMULSION
ZZ
UP
MISSION
XXXX-X
DELET
RETURN key
EMULSION
ZZ
DELET
RETURN key
PROJECT NUMBER
XXXXXX
111050
RETURN key
EMULSION
ZZ
Except for the first parameter, i.e., the system name, all parameters may
be deleted using this method.
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Correcting an Entire
Parameter List
If you find that you have made several errors, you can delete the
entire parameter list and begin again. To do this, type INIT and then
press the RETURN key. The teletype will reprint ENTER SYSTEM NAME. Simply
type the parameters again.
Terminating Frame
Operations
At any time while you are submitting parameters, you may terminate
frame operations. If you decide not to continue processing for any reason,
simple type TERM and then press the RETURN key. The teletype will print
TERM.
INITIALIZING
A COMPARATOR
After you have submitted all parameters, this message will appear on
the teletype you are using:
Check the coordinate count on the control panel. The maximum permissible
count is 999999. If the count is 9000.0 or over, reset the counter to
9 fc10fc ?
Before you can use a comparator to obtain dimensional data, it must be
initialized, i.e., you must transmit fiducials to the program to establish
a coordinate system. Using the X and Y drive and the X and Y wheels, place
the comparator crosshairs over fiducial 1. Transmit fiducial 1 to the pro-
gram by pressing the FIDUCIAL button. You will then receive the coordinates
of fiducial 1. You will also receive this message:
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Move the crosshairs about two to four inches to the right along the PG
Stripe. This point is fiducial 2. Transmit fiducial 2 by pressing the
FIDUCIAL button. You will receive the coordinates of fiducial 2 on the
teletype. The direction of flight azimuth and the inertial azimuth will
also be printed on the teletype. If they do not agree within a few degrees,
there is an error in one of the parameters which was input from the tele-
type. You should locate the error and determine whether to continue or to
start the program again. You will also receive this message:
TRANSMITTING POINTS
FOR CALCULATIONS
You are now ready to transmit points to be used for calculations by
the Real-Time Mensuration Program. However, if you want the program to
produce a plot, you must first initialize the plotter. (See CHAPTER II,
INITIALIZING A PLOTTER section.) Then follow the instructions given below
for transmitting points for calculations.
1. Turn the first rotary switch to the desired setting.
2. Release any output function buttons that may have been
pressed.
3. Press the appropriate output function buttons for the
calculations you want.
4. Position the comparator crosshairs over each point you
want to transmit. Transmit each of these points to the
program by pressing the appropriate transmission button.
Mensural calculations will be printed on the teletype. If you have
elected to have the program produce a plot, you will also receive that on
the Oplotter.
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TERMINATING FRAME
OPERATIONS
After all measurements have been calculated, operations for the frame
being processed must be terminated by pressing the FIDUCIAL button. Place
the comparator crosshairs over fiducial 1. Press the FIDUCIAL button to be-
gin the termination of frame operations. You will then receive this message
on the teletype:
Measurements can continue to be calculated until you press the FIDUCIAL but-
ton twice in succession. When you press the FIDUCIAL button a second time,
you will receive this message:
FRAME OPERATIONS TERMINATED DATE TIME
POINTING COUNT = XX FILM DRIFT = XX.XX MICRONS
? The pointing count is the total number of points transmitted including fidu-
cials. Film drift is the distance the film has moved at fiducial 1 from the
time fiducials 1 and 2 were first transmitted until frame operations were
terminated. Extensive film drift may result in inaccurate mensural calcula-
tions.
SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD FILM
PROJECT NUMBER
EMULSION
zz
MISSION
XXXX-X
PASS
XXXZ
111A
FRAME
XXX
111
CAMERA A OR F
Z
A
FOCAL LENGTH
XXX.XXX
609.000
VEH
PITCH
SXX.XXXX
+09.0000
VEH
ROLL
SXX.XXXX
-02.3333
VEH
YAW
SXX.XXXX
+00.0900
?
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NADIR LAT
XX-XX.XXZ
09-09.09N
NADIR LONG
XXX-XX.XXZ
090-00.09W
CTR FORMAT
LAT
XX-XX.XXZ
11-11.11N
CTR FORMAT
LONG
XXX-XX.XXZ
111-11.11W
IN VELOCITY
XXXXX
25742
GT VELOCITY
XXXXX
25000
IN AZIMUTH
XXX-XX
190-56
GT AZIMUTH
XXX-XX
080-00
EL SUN
XX-XX
08-09
SUN-AZ
XXX-XX
088-00
ALTITUDE
XXXXXXX
0700000
SCAN RATE
X.XXX
4.400
TRANSLATION
XXXXX
30000
ELEVATION
SXXXXX
+09090
ELLIPSOID
ZZZ
MCD
PLOT DIST
XX.X
20.0
X FID=+ 109
Y FID=+ 2000
X FID=+ 1000
Y FID=+ 1000
DOF AZIM= 205.352 DEG
IN AZIM= 202.388 DEG
GROUNDX= 29111.7 FT
GROUNDY= 74890.0 FT
GROUNDZ= -691154.4 FT
LAT= 23D 31M 50.1S S
LONG- 122D 43M 3.3S E
FIRST TERMINAL FID RECEIVED
FRAME OPERATIONS TERMINATED JAN. 10,73 1559
POINTING COUNT= 5 FILM DRIFT= 6.00 MICRONS
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OBTAINING
PARAMETERS
Except for the parameters available from the MPF, you will be respon-
sible for obtaining the parameters needed for each use of the program.
These parameters will identify the film you are processing, and they will
be transmitted via an on-line teletype. If you want the program to produce
a plot, you will also need a parameter for plot distance. The use of this
capability is optional. Before you use the program, assemble all required
parameters. These parameters and their sources are listed in Table 10.
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Table 10. Parameters Needed for K4BR Option
.Project number; assigned by NPIC; Current MIS active project listing
6 digits & alpha suffix if appli-
cable
]Emulsion; up or do You must determine
Mission number Film
.Pass number Film
Frame number Film
Camera A or F; A for aft looking Film
camera; F for forward looking
camera
:Elevation (of target area); posi- Maps & research material
tive if above sea level; feet
]Ellipsoid; earth ellipsoid which To meet your specifications
best fits the target area
]Plot distance; optional; distance To meet your specifications
in inches on plotter; for plot-
ter initialization, used with
image limits to determine scale
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CHOOSING
ELLIPSOIDS
When evaluating film you will indicate the earth ellipsoid which best
fits the target area. Choose the best fitting ellipsoid out of the six pre-
sently available and enter the mnemonic for that ellipsoid as a parameter.
The six ellipsoids, their mnemonics, and their measurements including the
eccentricity squared (E2) of each ellipsoid are given below.
Ellipsoid
Mnemonic
Measurement
Mission Correlation Data or
MCD
Semi-major axis---
6378177.8 in.
Mission Performance Report
Semi-minor axis---
6356796.05 in.
E2 ---------------
.006693422
Krassovsky
KVY
Semi-major axis---
6378245.0 in.
Semi-minor axis---
6356863.0188 m.
E2 ---------------
.006693422
International
INT
Semi-major axis---
6378388.0 m.
Semi-minor axis---
6356911.9961 m.
E2 ---------------
.006722670
Clarke 1866
CRK
Semi-major axis---
6378206.4 m.
Semi-minor axis---
6356583.8 m.
E2 ---------------
.006768658
Bessel
BSL
Semi-major axis---
6377397.155 in.
Semi-minor axis---
6356078.9628 m.
E2 ---------------
.006674372
Army Map Service
AMS
Semi-major axis---
6378270.0 in.
Semi-minor axis---
6356794.3434 m.
E2 ---------------
.006722670
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MARKING
FIDUCIALS
Mount the film positive, emulsion side up, on a light table. Note
the series of small white spots (rail holes) along the top of the frame.
There will be two irregularities to this series of rail holes:
* binary block
a small group of dots, some slightly raised
from the rail holes line; indicates vehicle
clock time
* center of format
a pair of rail holes directly over the frame
center
The Panoramic Geometry Stripe (PG Stripe) is a narrow white line on the
frame's border about 0.01 inches from the format edge. Extend a line
joining the two rail holes which are over the center of format until it
intersects the inside edge of the PG Stripe. This intersection will be
fiducial 1. With the pinpoint or by some other method, mark fiducial 1 so
that it can be located again later. Fiducial 2 will be on the PG Stripe
toward the titling of the frame. See Figure 15, which appears at the end
of this chapter.
INITIALIZING
A TELETYPE
Before you can measure using the Real-Time Mensuration Program, the
teletype must be initialized, that is, you must indicate to the program
the type of photography to be processed and the camera system that produced
that photography. To initialize a teletype follow these instructions in
the order given.
Press CTRL + U keys (simultaneously)
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You will then receive this message on the teletype:
?
?
Press RETURN key
You will then receive this message:
LOAD FILM
Load the film positive on a comparator. Procedures for mounting film on a
comparator will depend on which comparator you use. These procedures can
be found in CHAPTER II, THE EQUIPMENT.
SUBMITTING
PARAMETERS
You will now receive a series of messages requesting parameters. Each
message will consist of a request for a specific parameter and the format
of that parameter. Characters used in the formats are these:
X = number
Z = letter
S = plus or minus sign
= dash
= decimal point
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As you receive each message, type the requested parameter in the correct
format and then press the RETURN key. You must press the RETURN key after
you enter each parameter. For example, when you receive this message
complete the message by typing the correct project number.
PROJECT NUMBER XXXXXX 111105
Then press the RETURN key.
The program provides you with three methods for correcting errors. If
you make an error(s) while submitting parameters, follow the appropriate
set of instructions.
Correcting Characters
If the last character you typed was erroneous, you can correct it by
using the upper case symbol on the N key M. Press the SHIFT key and the
N key simultaneously. Pressing these keys will produce an arrow and delete
the preceding character from the transmission. Then type the correct
character. The incorrect character will remain on the printed page. For
example:
You can delete up to five consecutive characters. If you have more than
one character to correct, press the SHIFT key and the N key to delete each
one. Then type the correct characters.
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Correcting Lines
If you have made an error in the preceding line, you can delete that
line. Simply type DELET and then press the RETURN key. The.preceding
line, i.e., the parameter and its format, will be reprinted. Type the
correct parameter and then press the RETURN key.
For example,
ENTER SYSTEM NAME
K4BR
LOAD FILM
PROJECT NUMBER
XXXXXX
111052
EMULSION
ZZ
DELET
RETURN key
PROJECT NUMBER
XXXXXX
111050
RETURN key
EMULSION
ZZ
You may delete as many lines as you wish. If you have more than one
line to delete, type DELET and then press the RETURN key for each line.
Each time you do this, the program will back up the parameter list one
line. After you have deleted the last erroneous line and that parameter
and its format have been reprinted, resume typing parameters.
ENTER SYSTEM NAME
K4BR
LOAD FILM
PROJECT NUMBER
XXXXXX
111052
EMULSION
ZZ
UP
MISSION
XXXX-X
DELET
RETURN key
EMULSION
ZZ
DELET
RETURN key
PROJECT NUMBER
XXXXXX
111050
RETURN key
EMULSION
ZZ
Except for the first parameter, i.e., the system name, all parameters may
be deleted using this method.
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Correcting an Entire
Parameter List
If you find that you have made several errors, you can delete the
entire parameter list and begin again. To do this, type INIT and then
press the RETURN key. The teletype will reprint ENTER SYSTEM NAME. Simply
type the parameters again.
Terminating Frame
Operations
At any time while you are submitting parameters, you may terminate
frame operations. If you decide not to continue processing for any reason,
simply type TERM and then press the RETURN key. The teletype will print
TERM.
INITIALIZING
A COMPARATOR
After you have submitted your parameters and the MPF retrieval has been
successfully completed, you will receive one of the following two messages:
* READY W S.R.-SEND FIRST FIDUCIAL
appears if stellar-derived attitude
of pan camera is available, or
* READY W/O S.R.-SEND FIRST FIDUCIAL
appears is stellar-derived attitude
of pan camera is not available
Check the coordinate count on the control panel. The maximum permissible
count is 999999. If the count is 900900 or over, reset the counter to
100910.00.
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Before you can use a comparator to obtain dimensional data, it must
be initialized, i.e., you must transmit fiducials to the program to estab-
lish a coordinate system. Using the X and Y drive and the X and Y wheels,
place the comparator crosshairs over fiducial 1. Transmit fiducial 1 to
the program by pressing the FIDUCIAL button. You will then receive the
coordinates of fiducial 1. You will also receive this message:
Move the crosshairs about two to four inches to the right along the PG
Stripe. This point is fiducial 2. Transmit fiducial 2 by pressing the
FIDUCIAL button. You will receive the coordinates of fiducial 2 on the
teletype. The direction of flight azimuth and the inertial azimuth will
also be printed on the teletype. If they do not agree within a few degrees,
there is an error in one of the parameters which was input from the tele-
type or in the retrieved information. You should locate the error and
determine whether to continue or to start the program again. You will also
receive this message:
TRANSMITTING POINTS
FOR CALCULATIONS
You are now ready to transmit points to be used for calculations by
the Real-Time Mensuration Program. However, if you want the program to pro-
duce a plot, you must first initialize the plotter. (See CHAPTER II, INI-
TIALIZING A PLOTTER section.) Then follow the instructions given below
for transmitting points for calculations.
1. Turn the first rotary switch to the desired setting.
2. Release any output function buttons that may have been
pressed.
3. Press the appropriate output function buttons for the
calculations you want.
4. Position the comparator crosshairs over each point you
want to transmit. Transmit each of these points to the
program by pressing the appropriate transmission button.
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Mensural calculations will be printed on the teletype. If you have
elected to have the program produce a plot, you will also receive that on
the lI plotter.
TERMINATING FRAME
OPERATIONS
After all measurements have been calculated, operations for the frame
being processed must be terminated by pressing the FIDUCIAL button. Place
the comparator crosshairs over fiducial 1. Press the FIDUCIAL button to
begin the termination of frame operations. You will then receive this mes-
sage on the teletype:
Measurements can continue to be calculated until you press the FIDUCIAL but-
ton twice in succession. When you press the FIDUCIAL button a second time,
you will receive this message:
FRAME OPERATIONS TERMINATED DATE TIME
POINTING COUNT = XX FILM DRIFT = XX.XX MICRONS
The pointing count is the total number of points transmitted including fidu-
cials. Film drift is the distance the film has moved at fiducial 1 from the
time fiducials 1 and 2 were first transmitted until frame operations were
terminated. Extensive film drift may result in inaccurate mensural calcu-
lations.
SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD FILM
PROJECT NUMBER
XXXXXX
111105
EMULSION
ZZ
DN
MISSION
XXXX-X
PASS
XXXZ
111A
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FRAME XXX 111
CAMERA A OR F Z A
ELEVATION SXXXXX +09090
ELLIPSOID ZZZ AMS
PLOT DIST XX.X 20.0
X FID=+ 109
Y FID=+ 2000
X FID=+ 200
Y FID=+ 200000
DOF AZIM= 205.352 DEG
IN AZIM= 202.388DEG
LAT= 20D 14M 40.3S N
LONG= 110D 11M 35.8S W
FRAME OPERATIONS TERMINATED JAN. 10,73
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OBTAINING
PARAMETERS
You will be responsible for obtaining all parameters needed for each
use of the program. Parameters will identify the film being processed, and
they will be transmitted via an on-line teletype. If you want the program
to produce a plot, you will also need a parameter for plot distance. The
use of this capability is optional.
Before using the program, assemble all required parameters. These
parameters and their sources are listed in Table 11. Most parameters
appear in the Best-Fit Ephemeris for the mission from which the film is
derived.
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25X1
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Table 11. Parameters Needed for C4A Option
?
?
Project number; assigned by NPIC;
6 digits & alpha suffix if appli-
cable
Emulsion; up or do
Mission number
Pass number
Frame number
Camera A or F; A for aft looking
camera; F for forward looking
camera
Focal length; millimeters
Vehicle pitch; degrees
Vehicle roll; degrees
Vehicle yaw; degrees
Nadir latitude; degrees, minutes,
& direction
Nadir longitude; degrees, minutes,
& direction
Center of format latitude; degrees,
minutes, & direction
Center of format longitude; degrees,
minutes, & direction
Inertial velocity; feet per second
Current MIS active project listing
You must determine
Film
Film
Film
Film
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Orbital Mission Listing for the mis-
sion from which the film was de-
rived for all missions prior to
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Table 11. Parameters Needed for C4A Option (Continued)
Inertial velocity; feet per second
(continued)
II if the Orbital Mission List- 25X1
ing is not available, use the
ground track velocity in place of
the inertial velocity & the program
will make the necessary changes
needed for correct calculations;
for mission =& all subsequent 25X1
missions see the Best-Fit Ephemeris
Ground track velocity; feet per
second
Inertial azimuth; degrees & minutes
Ground track azimuth; degrees &
minutes
Sun elevation; degrees & minutes
Sun azimuth; degrees & minutes
Altitude; feet
Scan rate; radians per second
First grid; x & y grid coordinates
of first grid endpoint; centime-
ters
Second grid; x & y coordi-
nates of second grid endpoint;
centimeters
Best-Fit Ephemeris
ing is not available, use the
ground track azimuth in place of
the inertial azimuth & the program
will make the necessary changes
needed for correct calculations;
for mission Q& all subsequent
missions see the Best-Fit Ephemeris
Orbital Mission Listing for the mis-
sion from which the film was de-
rived for all missions prior to
Q if the Orbital Mission List- 25X1
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
Best-Fit Ephemeris
You measure & record
111-40
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Table 11. Parameters Needed for C4A Option (Continued)
Elevation (of target area); posi- Maps & research material
tive if above sea level; feet
Ellipsoid; earth ellipsoid which To meet your specifications
best fits the target area
Plot distance; optional; distance To meet your specifications
in inches on plotter; for plot-
ter initialization, used with
image limits to determine scale
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CHOOSING
ELLIPSOIDS
When evaluating film you will indicate the earth ellipsoid which best
fits the target area. Choose the best fitting ellipsoid out of the six
presently available and enter the mnemonic for that ellipsoid as a parameter.
The six ellipsoids, their mnemonics, and their measurements including the
eccentricity squared (E2) of each ellipsoid are given below.
Ellipsoid
Mnemonic
Measurement
Mission Correlation Data or
MCD
Semi-major axis---
6378177.8 m.
Mission Performance Report
Semi-minor axis---
6356796.05 m.
E2 ---------------
.006693422
Krassovsky
KVY
Semi-major axis---
6378245.0 in.
Semi-minor axis---
6356863.0188 m.
E2 ---------------
.006693422
International
INT
Semi-major axis---
6378388.0 m.
Semi-minor axis---
6356911.9961 m.
E2 ---------------
.006722670
Clarke 1866
CRK
Semi-major axis---
6378206.4 in.
Semi-minor axis---
6356583.8 m.
E2 ---------------
.006768658
Bessel
BSL
Semi-major axis---
6377397.155 m.
Semi-minor axis---
6356078.9628 in.
E2 ---------------
.006674372
Army Map Service
AMS
Semi-major axis...
6378270.0 m.
Semi-minor axs---
6356794.3434 m.
E2 ---------------
.006722670
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MEASURING GRID
COORDINATES
Mount the film positive, emulsion side up, on a light table. There
will be a small triangular jutting located between the date and the classi-
fication on the frame; this is the center fiducial. To measure the grid
coordinates, place a Universal Grid Number 2 over or under the frame so
that the grid numbers read correctly. Position the grid so that
* the triangle above the X = 46 line covers
the center fiducial, and
* the small dash lines at Y = 14.8 are along
the top format edge of the frame
These two conditions should be met as closely as possible. However,
because of film deformation, absolute congruency is not always feasible.
With a pinpoint or by some other method, mark the end points of the longest
line segment (usually diagonal) that can be drawn through the target area.
These points must fall on grid intersections. Record the grid coordinates
of each of the two end points and note the order in which you recorded them.
Cut the chip from the frame.
INITIALIZING
A TELETYPE
Before you can measure using the Real-Time Mensuration Program, the
teletype must be initialized, that is, you must indicate to the program
the type of photography to be processed and the camera system that produced
the photography. To initialize a teletype follow these instructions in the
order given.
Press & release ALT MODE key
Press CTRL + U keys (simultaneously)
Type INIT
Press RETURN key
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You will then receive this message on the teletype:
Type C4A
Press RETURN key
You will then receive this message:
LOAD CHIP
Load the film positive on the comparator. Procedures for placing the chips
can be found in CHAPTER II, THE EQUIPMENT.
SUBMITTING
PARAMETERS
You will now receive a series of messages requesting parameters.
Each message will consist of a request for a specific parameter and the
format of that parameter. Characters used in the formats are these:
X = number
Z = letter
S = plus or minus sign
- = dash
= decimal point
As you receive each message, type the requested parameter in the correct
format and then press the RETURN key. You must press the RETURN key after
you enter each parameter. For example, when you receive this message
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?
?
25X1
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complete the message by typing the correct project number.
PROJECT NUMBER XXXXXX 111050
Then press the RETURN key.
The program provides you with three methods for correcting errors.
If you make an error(s) while submitting parameters, follow the appropriate
set of instructions.
Correcting Characters
If the last character you typed was erroneous, you can correct it by
using the upper case symbol on the N key (t). Press the SHIFT key and the
N key simultaneously. Pressing these keys will produce an arrow and
delete the preceding character from the transmission. Then type the cor-
rect character. The incorrect character will remain on the printed page.
For example:
?
You can delete up to five consecutive characters. If you have more than
one character to correct, press the SHIFT key and the N key to delete each
one. Then type the correct characters.
Correcting Lines
If you have made an error in the preceding line, you can delete that
line. Simple type DELET and then press the RETURN key. The preceding
line, i.e., the parameter and its format, will be reprinted. Type the
correct parameter and then press the RETURN key. For example,
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ENTER SYSTEM NAME C4A
LOAD FILM
PROJECT NUMBER XXXXXX 111052
EMULSION ZZ DELET RETURN key
PROJECT NUMBER XXXXXX 111050 RETURN key
EMULSION ZZ
You may delete as many lines as you wish. If you have more than one
line to delete, type DELET and then press the RETURN key for each line.
Each time you do this, the program will back up the parameter list one
line. After you have deleted the last erroneous line and that parameter
and its format have been reprinted, resume typing parameters.
For example,
ENTER SYSTEM NAME
LOAD FILM
PROJECT NUMBER
EMULSION
MISSION
EMULSION
PROJECT NUMBER
EMULSION
XXXXXX 111052
zz UP
XXXX-X DELET RETURN key
ZZ DELET RETURN key
XXXXXX 111050 RETURN key
zz
Except for the first parameter, i.e., the system name, all parameters may
be deleted using this method.
Correcting an Entire
Parameter List
If you find that you have made several errors, you can delete the
entire parameter list and begin again. To do this, type INIT and then
press the RETURN key. The teletype will reprint ENTER SYSTEM NAME. Simply
type the parameters again.
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Terminating Frame
Operations
At any time while you are submitting parameters, you may terminate
frame operations. If you decide not to continue processing for any reason,
simply type TERM and then press the RETURN key. The teletype will print
TERM.
INITIALIZING A
COMPARATOR
After you have submitted all parameters, this message will appear on
the teletype you are using:
Check the coordinate count on the control panel. The maximum permissible
? count is 999999. If the count is 999999 or over, reset the counter to
c3coc3ocl6?
Before you can use a comparator to obtain dimensional data, it must be
initialized, i.e., you must transmit the grid points to the program to
establish a coordinate system. Using the X and Y drive and the X and Y
wheels, place the comparator crosshairs over the point entered as the first
grid. Transmit this point to the program by pressing the FIDUCIAL button.
You will then receive the coordinates of this grid point on the teletype.
You will also receive this message:
Position the crosshairs over the point entered as the second grid. Transmit
this point to the program by pressing the FIDUCIAL button. You will receive
the coordinates of this grid point. The direction of flight azimuth and the
inertial azimuth will also be printed on the teletype. If they do not agree
within a few degrees, there is an error in one of the parameters which was
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0
input from the teletype. You should locate the error and determine whether
to continue or to start the program again. You will also receive this
message:
TRANSMITTING POINTS
FOR CALCULATIONS
You are now ready to transmit points to be used for calculations by
the Real-Time Mensuration Program. However, if you want the program to pro-
duce a plot, you must first initialize the plotter. (See CHAPTER II, INI-
TIALIZING A PLOTTER section.) Then follow the instructions given below for
transmitting points for calculations.
1. Turn the first rotary switch to the desired setting.
2. Release any output function buttons that may have been
pressed.
3. Press the appropriate output function buttons for the
calculations you want.
4. Position the comparator crosshairs over each point you
want to transmit. Transmit each of these points to the
program by pressing the appropriate transmission button.
Mensural calculations will be printed on the teletype. If you have
elected to have the program produce a plot, you will also receive that on
the plotter.
TERMINATING FRAME
OPERATIONS
After all measurements have been calculated, operations for the frame
being processed must be terminated by pressing the FIDUCIAL button. Place
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?
the comparator crosshairs over the first grid point. Press the FIDUCIAL
button to begin the termination of frame operations. You will then receive
this message on the teletype:
Measurements can continue to be calculated until you press the FIDUCIAL
button twice in succession. When you press the FIDUCIAL button a second
time, you will receive this message:
FRAME OPERATIONS TERMINATED DATE TIME
POINTING COUNT = XX FILM DRIFT - XX.XX MICRONS
The pointing count is the total number of points transmitted including
grid points. Film drift is the distance the film has moved at the first
grid point from the time the grid points were first transmitted until
?
frame operations were terminated. Extensive film drift may result in
inaccurate mensural calculations.
SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD CHIP
PROJECT NUMBER
EMULSION
XXXXXX
ZZ
111050
UP
MISSION
XXXX-X
PASS
XXXZ
O11D
FRAME
CAMERA A OR F
XXX
Z
021
A
FOCAL LENGTH
XXX. XXX
600.000
VEH PITCH
SXX.XXXX
+01.1111
VEH ROLL
SXX.XXXX
-03.2222
VEH YAW
SXX.XXXX
-08.1111
NADIR LAT
XX-XX.XXZ
11-11.555
NADIR LONG
XXX-XX.XXZ
111-22.33W
CTR FORMAT LAT
XX-XX.XXZ
11-11. 11N
CTR FORMAT LONG XXX-XX.XXZ
111-11.11W
IN VELOCITY XXXXX
25742
?
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GT VELOCITY
XXXXX
11111
IN AZIMUTH
XXX-XX
190-56
GT AZIMUTH
XXX-XX
111-11
EL-SUN
XX-XX
22-22
SUN-AZ
XXX-XX
122-22
ALTITUDE
XXXXXXX
0222222
SCAN RATE
X.XXX
1.222
FIRST GRID
XX-XX
01-11
SECOND GRID
XX-XX
11-12
ELEVATION
SXXXXX
-11111
ELLIPSOID
ZZZ
MCD
PLOT DIST
XX.X
11.1
X FID=+ 90000
Y FID=+ 0
X FID=+ 90000
Y FID=+ 100000
DOF AZIM= 205.352 DEG
IN AZIM= 202.388 DEG
CMCX= 0.00 MICRONS= 0 COUNTS
CMCY= 0.00 MICRONS= 0 COUNTS
LAT= 10D 38M .6S S
LONG= 110D 52M 48.7S W
FIRST TERMINAL FID RECEIVED
]FRAME OPERATIONS TERMINATED JAN. 10,73 1328
POINTING COUNT= 5 FILM DRIFT= 0.00 MICRONS
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OBTAINING
PARAMETERS
You will be responsible for obtaining all parameters needed for each
use of the program. Parameters will identify the film being processed,
and they will be transmitted via an on-line teletype. If you want the
program to produce a plot, you will also need a parameter for plot distance.
The use of this capability is optional.
Before using the program, assemble all required parameters. These
parameters and their sources are listed in Table 12. Most parameters
appear on the MPF listing for the mission and bucket from which the photo-
graphy was derived.
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Table 12. Parameters Needed for C4B Option
Project number; assigned by NPIC; Current MIS active project listing
6 digits & alpha suffix if appli-
cable
Emulsion; up or do You must determine
Mission number Film
Pass number Film
Frame number Film
Camera A or F; A for aft looking Film
camera; F for forward looking
camera
Focal length; millimeters MPF listing
Vehicle pitch; degrees MPF listing
Vehicle roll; degrees MPF listing
Vehicle yaw; degrees MPF listing
Nadir latitude; degrees, minutes, MPF listing
& direction
Nadir longitude; degrees, minutes, MPF listing
& direction
Center of format latitude; degrees, MPF listing
minutes, & direction
Center of format longitude; degrees, MPF listing
minutes, & direction
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Table 12. Parameters Needed for C4B Option (Continued)
Inertial velocity; feet per second
Ground track velocity; feet per
second
Inertial azimuth; degrees & minutes
Ground track azimuth; degrees &
minutes
Sun elevation; degrees & minutes
Sun azimuth; degrees & minutes
Altitude; feet
Scan rate; radians per second
First grid; x & y grid coordinates
of first grid endpoint; centime-
ters
Second grid; x & y grid coordinates
of second grid endpoint; centi-
meters
Orbital Mission Listing for the mis-
sion from which the film was
derived for all missions prior to
if the Orbital Mission List-
ing is not available, use the
ground track velocity in place of
the inertial velocity & the program
will make the necessary changes
needed for correct calculations;
for mission 0 & all subsequent
missions see the MPF listing
MPF listing
Orbital Mission Listing for the mis-
sion from which the film was
derived for all missions prior to
Q if the Orbital Mission List- 25X1
ing is not available, use the
ground track azimuth in place of
the inertial azimuth & the program
will make the necessary changes
needed for correct calculations;
for mission 0 & all subsequent 25X1
missions see the MPF listing
MPF listing
MPF listing
MPF listing
MPF listing
MPF listing
You measure & record
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Table 12. Parameters Needed for C4B Option (Continued)
Elevation (of target area); posi- Maps & research material
tive if above sea level; feet
Ellipsoid; earth ellipsoid which To meet your specifications
best fits the target area
Plot distance; optional; distance To meet your specifications
in inches on plotter; for plot-
ter initialization, used with
image limits to determine scale
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CHOOSING
ELLIPSOIDS
When evaluating film you will indicate the earth ellipsoid which best
fits the target area. Choose the best fitting ellipsoid out of the six pre-
sently available and enter the mnemonic for that ellipsoid as a parameter.
The six ellipsoids, their mnemonics, and their measurements including the
eccentricity squared (E2) of each ellipsoid are given below.
Ellipsoid
Mnemonic
Measurement
Mission Correlation Data or
MCD
Semi-major axis---
6378177.8 in.
Mission Performance Report
Semi-minor axis---
6356796.05 m.
E2 --------------
.006693422
Krassovsky
KVY
Semi-major axis---
6378245.0 m.
Semi-minor axis---
6356863.0188 m.
E2 ---------------
.006693422
International
INT
Semi-major axis---
6378388.0 m.
Semi-minor axis---
6356911.9961 m.
E2 ---------------
.006722670
Clarke 1866
CRK
Semi-major axis---
6378206.4 m.
Semi-minor axis---
6356583.8 in.
E2 ---------------
.006768658
Bessel
BSL
Semi-major axis---
6377397.155 in.
Semi-minor axis---
6356078.9628 m.
E2 ---------------
.006674372
Army Map Service
AMS
Semi-major axis---
6378270.0 in.
Semi-minor axis---
6356794.3434 m.
E ---------------
.006722670
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MEASURING GRID
COORDINATES
Mount the film positive, emulsion side up, on a light table. To
measure the grid coordinates, place a Universal Grid Number 4-B over or
under the frame so that the grid numbers read correctly. Align the grid
so that
* the x = 0 line is along the left format edge, and
* the y = 0 line is along the bottom format edge
with a pinpoint or by some other method, mark the end points of the longest
line segment (usually diagonal) that can be drawn through the target area.
These end points must fall on grid intersections. Record the grid coordi-
nates of these two points and note the order in which you recorded them.
Cut the chip from the frame.
INITIALIZING
A TELETYPE
Before you can measure using the Real-Time Mensuration Program, the
teletype must be initialized, that is, you must indicate to the program the
type of photography to be processed and the camera system that produced the
photography. To initialize a teletype follow these instructions in the
order given.
Press & release ALT MODE key
Press CTRL + U keys (simultaneously)
Type INIT
Press RETURN key
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20
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Press RETURN key
You will then receive this message:
LOAD CHIP
Load the film positive on the comparator. Procedures for placing the chips
can be found in CHAPTER II, THE EQUIPMENT.
SUBMITTING
PARAMETERS
You will now receive a series of messages requesting parameters. Each
message will consist of a request for a specific parameter and the format
of that parameter. Characters used in the formats are these:
X = number
Z = letter
S = plus or minus sign
= dash
= decimal point
As you receive each message, type the requested parameter in the correct
format and then press the RETURN key. You must press the RETURN key after
you enter each parameter. For example, when you receive this message:
PROJECT NUMBER XXXXXX
complete the message by typing the correct project number.
PROJECT NUMBER XXXXXX 111105
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 TOP SECRET
Then press the RETURN key.
The program provides you with three methods for correcting errors. If
you make an error(s) while submitting parameters, follow the appropriate
set of instructions.
Correcting Characters
If the last character you typed was erroneous, you can correct it by
using the upper case symbol on the N key M. Press the SHIFT key and the
N key simultaneously. Pressing these keys will produce an arrow and delete
the preceding character from the transmission. Then type the correct char-
acter. The incorrect character will remain on the printed page. For
example:
You can delete up to five consecutive characters. If you have more than
one character to correct, press the SHIFT key and the N key to delete each
one. Then type the correct characters.
Correcting Lines
If you have made an error in the preceding line, you can delete that
line. Simply type DELET and then press the RETURN key. The preceding line,
i.e., the parameter and its format, will be reprinted. Type the correct
parameter and then press the RETURN key. For example:
ENTER SYSTEM NAME C4B
LOAD FILM
PROJECT NUMBER XXXXXX 111052
EMULSION ZZ DELET RETURN key
PROJECT NUMBER XXXXXX 111050 RETURN key
EMULSION ZZ
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You may delete as many lines as you wish. If you have more than one
line to delete, type DELET and then press the RETURN key for each line.
Each time you do this, the program will back up the parameter list one
line. After you have deleted the last erroneous line and that parameter
and its format have been reprinted, resume typing parameters.
For example,
ENTER SYSTEM NAME
C4B
LOAD FILM
PROJECT NUMBER
XXXXXX
111052
EMULSION
ZZ
UP
MISSION
XXXX-X
DELET
RETURN
key
EMULSION
ZZ
DELET
RETURN
key
PROJECT NUMBER
XXXXXX
111050
RETURN
key
EMULSION
ZZ
Except for the first parameter, i.e., the system name, all parameters may
be deleted using this method.
Correcting an Entire
Parameter List
If you find that you have made several errors, you can delete the
entire parameter list and begin again. To do this, type INIT and then
press the RETURN key. The teletype will reprint ENTER SYSTEM NAME. Simply
type the parameters again.
Terminating Frame
Operations
At any time while you are submitting parameters, you may terminate
frame operations. If you decide not to continue processing for any reason,
simple type TERM and then press the RETURN key. The teletype will print
TERM.
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INITIALIZING
A COMPARATOR
After you have submitted all parameters, this message will appear on
the teletype you are using:
Check the coordinate count on the control panel. The maximum permissible
count is 999999. If the count is 99f,09.0.0 or over, reset the counter to
9099910.
Before you can use a comparator to obtain dimensional data, it must be
initialized, i.e., you must transmit the grid points to the program to
establish a coordinate system. Using the X and Y drive and the X and Y
wheels, place the comparator crosshairs over the point entered as the first
grid. Transmit this point to the program by pressing the FIDUCIAL button.
You will then receive the coordinates of this grid point on the teletype.
You will also receive this message:
Position the crosshairs over the point entered as the second grid. Transmit
this point to the program by pressing the FIDUCIAL button. You will receive
the coordinates of this grid point. The direction of flight azimuth and the
inertial azimuth will also be printed on the teletype. If they do not agree
within a few degrees, there is an error in one of the parameters which was
input from the teletype. You should locate the error and determine whether
to continue or to start the program again. You will also receive this mes-
sage:
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TRANSMITTING POINTS
FOR CALCULATIONS
You are now ready to transmit points to be used for calculations by
the Real-Time Mensuration Program. However, if you want the program to pro-
duce a plot, you must first initialize the plotter. (See CHAPTER II, INI-
TIALIZING A PLOTTER section.) Then follow the instructions given below for
transmitting points for calculations.
1. Turn the first rotary switch to the desired setting.
2. Release any output function buttons that may have been
pressed.
3. Press the appropriate output function buttons for the
calculations you want.
4. Position the comparator crosshairs over each point you
want to transmit. Transmit each of these points to the
program by pressing the appropriate transmission button.
Mensural calculations will be printed on the teletype. If you have
elected to have the program produce a plot, you will also receive that on
the plotter.
TERMINATING FRAME
OPERATIONS
After all measurements have been calculated, operations for the frame
being processed must be terminated by pressing the FIDUCIAL button. Place
the comparator crosshairs over the first grid point. Press the FIDUCIAL
button to begin the termination of frame operations. You will then receive
this message on the teletype:
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Measurements can continue to be calculated until you press the FIDUCIAL
button twice in succession. When you press the FIDUCIAL button a second
time, you will receive this message:
FRAME OPERATIONS TERMINATED DATE TIME
POINTING COUNT = XX FILM DRIFT = XX.XX MICRONS
The pointing count is the total number of points transmitted including
grid points. Film drift is the distance the film has moved at the first
grid point from the time the grid points were first transmitted until
frame operations were terminated. Extensive film drift may result in
inaccurate mensural calculations.
SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD CHIP
PROJECT NUMBER
XXXXXX 111105
EMULSION
ZZ UP
MISSION
XXXX-X 1
:1
PASS
XXXZ 111A
FRAME
XXX 222
CAMERA A OR F
Z F
FOCAL LENGTH
XXX.XXX 222.222
VEH PITCH
SXX.XXXX -11.1111
VEH ROLL
SXX.XXXX -12.1212
VEH YAW
SXX.XXXX +00.1111
NADIR LAT
XX-XX.XXZ 22-22.225
NADIR LONG
XXX-XX.XXZ 122.22.22W
CTR FORMAT LAT
XX-XX.XXZ 11-11.11N
CTR FORMAT LONG XXX-XX.XXZ 111-11.11W
IN VELOCITY
XXXXX 25742
GT VELOCITY
XXXXX 25000
IN AZIMUTH
XXX-XX 190-56
GT AZIMUTH
XXX-XX 080-00
EL-SUN
XX-XX 08-09
SUN-AZ
XXX-XX 088-00
ALTITUDE
XXXXXXX 1111111
SCAN RATE
X.XXX 1.112
FIRST GRID
XX-XX 00-02
SECOND GRID
XX-XX 11-19
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is
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 Approved For Release 2006/03/31: CIA-R DP78T04759A010300010148-0
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ELEVATION SXXXXX +00101
ELLIPSOID ZZZ MCD
PLOT DIST XX.X 28.0
INITIALIZE VIEWER--SEND FIRST FIDUCIAL
X FID=+ 0
Y FID=+ 0
X FID=+ 90000
Y FID=+ 100000
DOF AZIM= 205.352 DEG
IN AZIM= 202.388 DEG
CMCX= 0.00 MICRONS
CMCY= 100000.00 MICRONS
LAT= 19D 52M 47.2S S
LONG= 129D 5M 51.7S W
FIRST TERMINAL FID RECEIVED
FRAME OPERATIONS TERMINATED JAN. 10,73 1332+
POINTING COUNT= 5 FILM DRIFT= 0.00 MICRONS
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OBTAINING
PARAMETERS
Except for the parameters available from the MPF, you will be respon-
sible for obtaining the parameters needed for each use of the program.
These parameters will identify the film you are processing, and they will
be transmitted via an on-line teletype. If you want the program to pro-
duce a plot, you will also need a parameter for plot distance. The use of
this capability is optional. Before you use the program, assemble all
required parameters. These parameters and their sources are listed in
Table 13.
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 e
TOP SECRET
Table 13. Parameters Needed for C4BR Option
System name; C4BR This manual
Project number; assigned by NPIC; Current MIS active project listing
6 digits & alpha suffix if appli-
cable
Emulsion; up or do You must determine
Mission number Film
Pass number Film
Frame number Film
Camera A or F; A for aft looking
camera; F for forward looking
camera
First grid; x & y grid coordinates
of first grid endpoint; centi-
meters
Second grid; x & y grid coordinates
of second grid endpoint; centi-
meters
Elevation (of target area); posi-
tive if above sea level; feet
Film
You measure & record
You measure & record
Maps & research material
Ellipsoid; earth ellipsoid which To meet your specifications
best fits the target area
Plot distance; optional; distance To meet your specifications
in inches on plotter; for plot-
ter initialization, used with
image limits to determine scale
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CHOOSING
ELLIPSOIDS
When evaluating film you will indicate the earth ellipsoid which best
fits the target area. Choose the best fitting ellipsoid out of the six pre-
sently available and enter the mnemonic for that ellipsoid as a parameter.
The six ellipsoids, their mnemonics, and their measurements including the
eccentricity squared (E2) of each ellipsoid are given below.
Ellipsoid Mnemonic
Mission Correlation Data or
MCD
Semi-major axis---
6378177.8 m.
Mission Performance Report
Semi-minor axis---
6356796.05 m.
E2 ---------------
.006693422
Krassovsky
KVY
Semi-major axis---
6378245.0 in.
Semi-minor axis---
6356863.0188 in.
E2 ---------------
.006693422
International
INT
Semi-major axis---
6378388.0 in.
Semi-minor axis---
6356911.9961 in.
E2 ---------------
.006722670
?
Clarke 1866
CRK
Semi-major axis---
6378206.4 in.
Semi-minor axis---
6356583.8 in.
E2 ---------------
.006768658
Bessel
BSL
Semi-major axis---
6377397.155 in.
Semi-minor axis---
6356078.9628 in.
E2 ---------------
.006674372
AMS
Semi-major axis---
6378270.0 in.
Semi-minor axis---
6356794.3434 in.
E2 ---------------
.006722670
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MEASURING GRID
COORDINATES
Mount the film positive, emulsion side up, on a light table. To
measure the grid coordinates, place a Universal Grid Number 4-B over or
under the frame so that the grid numbers read correctly. Align the grid
so that
* the x = 0 line is along the left format edge, and
* the y = 0 line is along the bottom format edge
With a pinpoint or by some other method, mark the end points of the longest
line segment (usually diagonal) that can be drawn through the target area.
These end points must fall on grid intersections. Record the grid coordi-
nates of these two points and note the order in which you recorded them.
Cut the chip from the frame.
INITIALIZING
A TELETYPE
Before you can measure using the Real-Time Mensuration Program, the
teletype must be initialized, that is, you must indicate to the program
the type of photography to be processed and the camera system that produced
the photography. To initialize a teletype follow these instructions in
the order given.
Press & release ALT MODE key
Press CTRL & U keys (simultaneously)
Type INIT
Press RETURN key
You will then receive this message on the teletype:
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Press RETURN key
You will then receive this message:
LOAD CHIP
Load the film positive on the comparator. Procedures for placing the chips
can be found in CHAPTER II, THE EQUIPMENT.
SUBMITTING
PARAMETERS
You will now receive a series of messages requesting parameters. Each
message will consist of a request for a specific parameter and the format of
that parameter. Characters used in the formats are these:
X = number
Z = letter
S = plus or minus sign
= dash
= decimal point
As you receive each message, type the requested parameter in the correct
format and then press the RETURN key. You must press the RETURN key after
you enter each parameter. For example, when you receive this message
PROJECT NUMBER XXXXXX
complete the message by typing the correct project number.
PROJECT NUMBER XXXXXX 111105
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Then press the RETURN key.
The program provides you with three methods for correcting errors. If
you make an error(s) while submitting parameters, follow the appropriate
set of instructions.
Correcting Characters
If the last character you typed was erroneous, you can correct it by
using the upper case symbol on the N key (T). Press the SHIFT key and the
N key simultaneously. Pressing these keys will produce an arrow and delete
the preceding character from the transmission. Then type the correct
character. The incorrect character will remain on the printed page. For
example:
You can delete up to five consecutive characters. If you have more than one
? character to correct, press the SHIFT key and the N key to delete each one.
Then type the correct characters.
Correcting Lines
If you have made an error in the preceding line, you can delete that
line. Simply type DELET and then press the RETURN key. The preceding line,
i.e., the parameter and its format, will be reprinted. Type the correct
parameter and then press the RETURN key. For example,
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ENTER SYSTEM NAME C4BR
LOAD FILM
PROJECT NUMBER XXXXXX 111052
EMULSION ZZ DELET RETURN key
PROJECT NUMBER XXXXXX 111050 RETURN key
EMULSION ZZ
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You may delete as many lines as you wish. If you have more than one
line to delete, type DELET and then press the RETURN key for each line.
Each time you do this, the program will back up the parameter list one line.
After you have deleted the last erroneous line and that parameter and its
format have been reprinted, resume typing parameters.
For example,
ENTER SYSTEM NAME C4BR
LOAD FILM
PROJECT NUMBER XXXXXX 111052
EMULSION ZZ UP
MISSION XXXX-X DELET RETURN key
EMULSION ZZ DELET RETURN key
PROJECT NUMBER XXXXXX 111050 RETURN key
Except for the first parameter, i.e., the system name, all parameters may
be deleted using this method.
Correcting an Entire
Parameter List
If you find that you have made several errors, you can delete the
entire parameter list and begin again. To do this, type INIT and then
press the RETURN key. The teletype will reprint ENTER SYSTEM NAME. Simply
type the parameters again.
Terminating Frame
Operations
At any time while you are submitting parameters, you may terminate
frame operations. If you decide not to continue processing for any reason,
simply type TERM and then press the RETURN key. The teletype will print
TERM.
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INITIALIZING
A COMPARATOR
After you have submitted your parameters and the MPF retrieval has been
successfully completed, you will receive one of the following two messages:
* READY W S.R.-SEND FIRST FIDUCIAL
appears if stellar-derived attitude
of pan camera is available, or
* READY W/O S.R.-SEND FIRST FIDUCIAL
appears if stellar-derived attitude
of pan camera is not available
Check the coordinate count on the control panel. The maximum permissible
count is 999999. If the count is 900.10.1 or over, reset the counter to
9100000.
Before you can use a comparator to obtain dimensional data, it must be
initialized, i.e., you must transmit the grid points to the program to
? establish a coordinate system. Using the X and Y drive and the X and Y
wheels, place the comparator crosshairs over the point entered as the first
grid. Transmit this point to the program by pressing the FIDUCIAL button.
You will then receive the coordinates of this grid point on the teletype.
You will also receive this message:
Position the crosshairs over the point entered as the second grid. Transmit
this point to the program by pressing the FIDUCIAL button. You will receive
the coordinates of the second grid point on the teletype. The direction of
flight azimuth and the inertial azimuth will also be printed on the teletype.
If they do not agree within a few degrees, there is an error in one of the
parameters which was input from the teletype or in the retrieved information.
You should locate the error and determine whether to continue or to start the
program again. You will also receive this message:
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0
TRANSMITTING POINTS
FOR CALCULATIONS
You are now ready to transmit points to be used for calculations by
the Real-Time Mensuration Program. However, if you want the program to pro-
duce a plot, you must first initialize the plotter. (See CHAPTER II, INI-
TIALIZING A PLOTTER section.) Then follow the instructions given below for
transmitting points for calculations.
1. Turn the first rotary switch to the desired setting.
2. Release any output function buttons that may have been
pressed.
3. Press the appropriate output function buttons for the
calculations you want.
4. Position the comparator crosshairs over each point you
want to transmit. Transmit each of these points to the
program by pressing the appropriate transmission button.
Mensural calculations will be printed on the teletype. If you have
elected to have the program produce a plot, you will also receive that on
the I plotter.
TERMINATING FRAME
OPERATIONS
After all measurements have been calculated, operations for the frame
being processed must be terminated by pressing the FIDUCIAL button. Place
the comparator crosshairs over the first grid point. Press the FIDUCIAL
button to begin the termination of frame operations. You will then receive
this message on the teletype:
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Measurements can continue to be calculated until you press the FIDUCIAL
button twice in succession. When you press the FIDUCIAL button a second
time, you will receive this message:
FRAME OPERATIONS TERMINATED DATE TIME
POINTING COUNT = XX FILM DRIFT = XX.XX MICRONS
The pointing count is the total number of points transmitted including
grid points. Film drift is the distance the film has moved at the first
grid point from the time the grid points were first transmitted until frame
operations were terminated. Extensive film drift may result in inaccurate
mensural calculations.
SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD CHIP
PROJECT NUMBER
XXXXXX
111105
?
EMULSION
ZZ
UP
MISSION
XXXX-X
I
PASS
XXXZ
111A
FRAME
XXX
222
CAMERA A OR F
Z
F
FIRST GRID
XX-XX
00-02
SECOND GRID
XX-XX
11-19
ELEVATION
SXXXXX
+00101
ELLIPSOID
ZZZ
MCD
PLOT DIST
XX.X
28.0
X FID=+
0
Y FID=+
0
X FID=+
1679
Y FID=+
8562
DOF AZIM= 205.352 DEG
IN AZIM= 202.388 DEG
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VIEWER INITIALIZED
LAT= 5D 20M 42.3S S
LONG= 170D 13M 16.3S E
FIRST TERMINAL FID RECEIVED
FRAME OPERATIONS TERMINATED JAN 10,73
POINTING CQUNT= 5 FILM DRIFT= 210276.50 MICRONS
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SK4A, SK4B, SK4BR, SC4A, SC4B, AND SC4BR OPTIONS
?
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OBTAINING
PARAMETERS
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you want to use. All the parameters needed to use
a stereoscopic option will be found in the parameter table. However, those
parameters listed in the table that fall between "Emulsion" and "Elevation"
must be obtained for both frames or chips.
CHOOSING
ELLIPSOIDS
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you want to use.
MARKING FIDUCIALS OR
MEASURING GRID COORDINATES
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you want to use. The procedures for marking fidu-
cials or measuring grid coordinates for a stereoscopic option are the same
as those for a monoscopic option except that you must mark fiducials or
measure grid coordinates for both frames or chips.
INITIALIZING
A TELETYPE
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you want to use.
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PARAMETERS
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Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you want to use. The procedures for submitting
parameters for a stereoscopic option are the same as those for a monoscopic
option with the following exception. When using a stereoscopic option, the
program will request some of the parameters twice. The first request will
be for all the parameters for the left frame or chip and the second will be
for the right frame or chip.
INITIALIZING
A COMPARATOR
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you want to use. The procedures for initializing a
comparator for a stereoscopic option are the same as those for a monoscopic
option with the following exception. You must transmit fiducials or grid
points for both frames or chips. Transmit the fiducials or grid points for
the left frame or chip first.
RELATIVE
ORIENTATION
The relative orientation (R/O) of the frames or chips you are viewing
with respect to each other should result in more accurate measurements.
To calculate the relative orientation you must transmit from 6 to 20 cor-
responding points (R/O points) on each frame or chip simultaneously. These
points must be as close as possible to the same ground elevation. Before
transmitting the R/O points you must press the R/O output function button.
The program is now ready to receive the R/O points.
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Transmitting
R/O Points
Move the crosshairs over the first R/O point to be transmitted. Send
this point as an initial point. You will receive this message:
Except for the last R/O point all R/O points must be sent as initial points.
Each time you send an R/O point as an initial point, you will receive this
message:
Send the last R/O point as a terminal point. At this time an additional
pitch, roll, and yaw will be calculated and printed on the teletype along
with the following message:
PITCH = -OD 1M 20.9S
YAW = -OD 10M 22.9S
ROLL = +OD 5M 21.95
Release the R/O button.
If you choose, you may have the coordinates of the R/O points printed
on the teletype. To do this press the CMC ECHO button before you transmit
the R/O points. Every time you send an R/O point as an initial point, you
will receive this message:
CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
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When you transmit the terminal R/O point, you will receive this message:
PITCH. = -OD 1M 20.95
YAW -OD 1OM 22.9S
ROLL = +OD 5M 21.9S
CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
Should you make an error while transmitting the R/O points, you can
correct it by deleting the erroneous transmission. For example, if you send
an incorrect R/O point as an initial point, you can delete that transmission
by sending an intermediate point. You will receive this message:
If you have transmitted several erroneous initial points, send the same num-
ber of intermediate points, and when the last intermediate point is received,
you will receive this message:
After you have transmitted the R/O points and received the additional
pitch, roll, and yaw, you are ready to transmit points for mensural calcula-
tions as described in the following section. However, if you find that the
additional pitch, roll, and yaw do not result in more accurate calculations,
you can nullify the relative orientation or recalculate it.
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Nullifying The
Relative Orientation
To nullify the relative orientation, release the R/O button and press
the SET R/O TO IDENTITY button. Transmit a point for mensural calculations.
You will receive the mensural output requested and this message:
You are ready to continue transmitting points for mensural calculations
without the additional pitch, roll, and yaw.
Recalculating The
Relative Orientation
To recalculate the relative orientation, first nullify it, and then
recalculate the relative orientation according to the procedures described
above.
TRANSMITTING POINTS
FOR CALCULATIONS
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you are using.
SWITCHING FROM A STEREO
OPTION TO A MONO OPTION
When you are using a stereo comparator, you can switch to a monoscopic
option for either the left or right stage and back to stereo without reini-
tializing the comparator by turning the second rotary switch in the first
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row of rotary switches to the setting which corresponds to the option you
want. The second rotary switch settings and the options are:
Second Rotary
Switch Setting Option
.0 Stereo
1 Mono - left stage
2 Mono - right stage
You must also turn the first rotary switch which indicates the output func-
tions you will use to the desired setting. There are different settings
for stereoscopic and monoscopic options. (See CHAPTER II, USING THE OUTPUT
FUNCTION BUTTONS section.)
When switching from one option to another, the first point transmitted
after turning the first and second rotary switches to the desired settings
must be an initial point. After sending an initial point, you will receive
one of the following messages which indicates which option has been selected
prior to any printed output:
BOTH FRAMES - STEREO
RIGHT FRAME
LEFT FRAME
If the first point transmitted is other than an initial point, you will re-
ceive the following message:
If you receive this message, transmit the next point as an initial point.
TERMINATING FRAME
OPERATIONS
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you are using.
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SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD FILM
PROJECT NUMBER XXXXXX
EMULSION ZZ
MISSION XXXX-X
PASS XXXZ
FRAME XXX
CAMERA A OR F Z
FOCAL LENGTH XXX.XXX
VEH PITCH SXX.XXXX
VEH ROLL SXX.XXXX
VEH YAW SXX.XXXX
NADIR LAT XX-XX.XXZ
NADIR LONG XXX-XX.XXZ
CTR FORMAT LAT XX-XX.XXZ
CTR FORMAT LONG XXX-XX.XXZ
IN VELOCITY XXXXX
GT VELOCITY XXXXX
IN AZIMUTH XXX-XX
GT AZIMUTH XXX-XX
EL-SUN XX-XX
SUN-AZ XXX-X
ALTITUDE XXXXXXX
SCAN RATE X.XXX
MISSION XXXX-X
PASS XXXZ
FRAME XXX
CAMERA A OR F Z
FOCAL LENGTH XXX.XXX
VEH PITCH SXX.XXXX
VEH ROLL SXX.XXXX
VEH YAW SXX.XXXX
NADIR LAT XX-XX.XXZ
NADIR LONG XXX-XX.XXZ
CTR FORMAT LAT XX-XX. XXZ
CTR FORMAT LONG XXX-XX.XXZ
IN VELOCITY XXXXX
GT VELOCITY XXXXX
IN AZIMUTH XXX-XX
GT AZIMUTH XXX-XX
EL-SUN XX-XX
SUN-AZ XXX-XX
ALTITUDE XXXXXXX
111050
111D
111
F
111.111
+11.1111
-11.1111
+11.1111
22-22.22N
111-11.11W
11-11.11N
111-11.11W
25742
11111
190-56
111-11
11-11
111-11
1111111
1.111
1050-1
111D
112
A
111.111
+12.1111
-12.1111
+12.1111
22-21.22N
111-12.11W
12-11.11N
112-11.11W
25743
11112
190-55
111-10
12-11
112-11
1111122
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SCAN RATE X.XXX 1.112
ELEVATION SXXXXX +01111
ELLIPSOID ZZZ MCD
PLOT DIST XX.X 09.0
INITIALIZE VIEWER--SEND LEFT FRAME FIDUCIALS
X FID=- 0
Y FID=+ 0
SEND NEXT FID
X FID=+ 90000
Y FID=+ 0
BEGIN RIGHT FRAME
SEND NEXT FID
X FID=+ 0
Y FID=+ 0
SEND NEXT FID
X FID=+ 244
Y FID=+ 87430
LEFT FRAME
DOF AZIM= 205.352 DEG
IN AZIM= 202.388 DEG
RIGHT FRAME
DOF AZIM= 205.448 DEG
IN AZIM= 202.992 DEG
VIEWER INITIALIZED
BOTH FRAMES STEREO
SEND NEXT POINT
?
CMCX = 11122.2 MICRONS = 111211 COUNTS
CMCY = 11111.1 MICRONS = 111112 COUNTS
CMCX = 11133.2 MICRONS - 111333 COUNTS
CMCY = 11444.1 MICRONS = 114443 COUNTS
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CMCX = 22211.1 MICRONS = 222112 COUNTS
CMCY = 11110.0 MICRONS = 111111 COUNTS
CMCX = 33112.2 MICRONS = 332221 COUNTS
CMCY = 11122.3 MICRONS = 111224 COUNTS
SEND NEXT POINT
CMCX = 44422.1 MICRONS = 444222 COUNTS
CMCY = 44433.2 MICRONS = 444331 COUNTS
CMCX = 33322.1 MICRONS = 333211 COUNTS
CMCY = 33333.2 MICRONS = 333333 COUNTS
CMCX = 55544.3 MICRONS = 555442 COUNTS
CMCY = 55443.2 MICRONS = 554431 COUNTS
CMCX = 55432.1 MICRONS = 554322 COUNTS
CMCY = 54433.3 MICRONS = 544332 COUNTS
CMCX = 66665.4 MICRONS = 666653 COUNTS
CMCY = 66655.3 MICRONS = 666552 COUNTS
CMCX = 66644.4 MICRONS = 666443 COUNTS
CMCY = 66554.3 MICRONS = 665542 COUNTS
PITCH = -OD 1M 20.9S
YAW = -OD 10M 22.9S
ROLL = +OD 5M 21.9S
CMCX = 77665.5 MICRONS = 776654 COUNTS
CMCY = 77655.4 MICRONS = 776553 COUNTS
CMCX = 77754.3 MICRONS = 777542 COUNTS
CMCY = 77644.2 MICRONS = 776441 COUNTS
LAT = 34D 39M 28.8S N
LONG = 86D 40M 25.6S W
HEIGHT = 1699.7326 FT
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LAT = 34D 39M 28.1S N
LONG = 86D 40M 21.05 W
GROUNDX = 89552.7 FT = 27295.7 METERS
GROUNDY = 68158.8 FT = -20774.8 METERS
GROUNDZ = 454704.9 FT = -141642.3 METERS
LAT = 34D 39M 30.4S N
LONG = 86D 40M 33.9S W
FIRST TERMINAL FID RECEIVED
FRAME OPERATIONS TERMINATED JAN. 10,73 1332+
POINTING COUNT= 18
DRIFT1= 0.00 MICRONS DRIFT2= 0.05 MICRONS
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FIDUCIAL 1 FIDUCIAL 2
FIGURE 14. MARKING FIDUCIALS ON KH-4A PHOTOGRAPHY, EMULSION SIDE UP.
0
0o0000000o00000000000000000 000000
1000001 0
FIDUCIAL 1 FIDUCIAL 2
FORMAT EDGE
FIGURE 15. MARKING FIDUCIALS ON KH-4B PHOTOGRAPHY, EMULSION SIDE UP.
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Using the Real-Time Mensuration Program to process photography derived
from the KH-7 camera system will involve these steps in the order listed.
STEP 1 obtaining parameters
STEP 2 choosing ellipsoids
STEP 3 marking fiducials (or measuring grid coordinates)
STEP 4 initializing a teletype
STEP 5 submitting parameters
STEP 6 initializing a comparator
STEP 7 transmitting points for calculations
STEP 8 terminating frame operations
There are several options under which you may process KH-7 photography.
However, parameters for KH-7 missions are not included in the MPF, and there
is no capability for using variable filmspeed. The options are these:
Monoscopic Options
K7A frame of photography; average filmspeed
C7A chip of photography; average filmspeed
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Stereoscopic Options
SK7A two frames of stereo photography; average
filmspeed
SC7A two chips of stereo photography; average
filmspeed
When using any of the stereoscopic options, two additional steps are
available. They are:
* transmitting relative orientation (R/O) points
to calculate the relative orientation of the
two frames or chips of photography
* switching to the corresponding monoscopic op-
tion for either the left or right stage
Both of these steps are optional.
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OBTAINING
PARAMETERS
You will be responsible for obtaining all parameters needed for each
use of the program. Parameters will identify the film being processed,
and they will be transmitted via an on-line teletype. If you want the
program to produce a plot, you will also need a parameter for plot
distance. The use of this capability is optional.
Before you use the program, assemble all required parameters. These
parameters and their sources are listed in Table 14. Most parameters can
be found in the Mission Correlation Data (MCD) for the mission from which
the film was derived. Many requests via the teletype for parameters will
be followed by
* Ti; indicating the value of that
parameter recorded at camera
"on" time
* T2; indicating the value of that
parameter recorded at camera "off"
time
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9
Table 14. Parameters Needed for K7A Option
Project number; assigned by NPIC; Current MIS active project listing
6 digits & alpha suffix if
applicable
Fiducials; 2 or 5 You decide the number of fiducials
you want to transmit
Mission number
Revolution number
Accession number
Focal length; inches
Mirror pitch; degrees
Mirror crab; degrees
Vehicle pitch; stellar-reduced
pitch of index camera; degrees;
if unknown, enter zero
Vehicle roll; stellar-reduced
roll of index camera; degrees;
if unknown, enter zero
Vehicle yaw; stellar-reduced
inertial yaw of index camera;
degrees; if unknown, enter
zero
Film
MCD
Film
Output listing from Stellar Reduction
System
Output listing from Stellar Reduction
System
Output listing from Stellar Reduction
System
Nadir-latitude T1; degrees, minutes, MCD
& direction
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Table 14. Parameters Needed for K7A Option (Continued)
Nadir-latitude T2; degrees, minutes, MCD
& direction
Nadir-longitude Ti; degrees, min- MCD
utes & direction
Nadir-longitude T2; degrees, min- MCD
utes & direction
Inertial velocity Ti; feet per MCD
second
Inertial velocity T2; feet per MCD
second
Vehicle azimuth Ti; degrees MCD
Vehicle azimuth T2; degrees MCD
Flight path Ti; degrees MCD
Flight path T2; degrees MCD
Sun elevation Ti; degrees MCD
Sun elevation T2; degrees MCD
Sun azimuth Ti; degrees MCD
Sun azimuth T2; degrees MCD
Height Ti; nautical miles MCD
Height T2; nautical miles MCD
Velocity of film; inches per MCD
second
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Table 14. Parameters Needed for K7A Option (Continued)
Target T/D; time or distance from
Tl to fiducial 1; may be in any
units including fractions of a
second of time; for more accu-
rate results, point the index
bit of a PCT word as fidu-
cial 1, then count the number
of PCT words from Tl to fidu-
cial 1; count T1 as zero
Total T/D; time or distance from
Ti to T2; must be in same units
as Target T/D; for more accu-
rate results, count the number
of PCT words from T1 to T2;
count Tl as zero
Payload clock time Ti; octal number
Payload clock time T2; octal number
Shrinkage factor; meas/nominal
Slit length; microns
Translation; microns
Elevation (of target area); posi-
tive if above sea level; feet
Ellipsoid; earth ellipsoid which
best fits the target area
Plot distance; optional; distance
in inches on plotter; for plot-
ter initialization, used with
image limits to determine scale
MCD or you determine from film
MCD or you determine from film
MCD
Camera Calibration Information
Catalogue
Maps & research material
To meet your specifications
To meet your specifications
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CHOOSING
ELLIPSOIDS
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When evaluating film you will indicate the earth ellipsoid which best
fits the target area. Choose the best fitting ellipsoid out of the six pre-
sently available and enter the mnemonic for that ellipsoid as a parameter.
The six ellipsoids, their mnemonics, and their measurements including the
eccentricity squared (E2) of each ellipsoid are given below.
Ellipsoid Mnemonic
Mission Correlation Data or MCD Semi-major axis--- 6378177.8 in.
Mission Performance Report Semi-minor axis-- 6356796.05 in.
E2 --------------- .006693422
Krassovsky KVY Semi-major axis--- 6378245.0 in.
Semi-minor axis--- 6356863.0188 m.
E2 --------------- .006693422
International INT Semi-major axis--- 6378388.0 m.
Semi-minor axis--- 6356911.9961 m.
E2 --------------- .006722670
Clarke 1866 CRK Semi-major axis--- 6378206.4 m.
Semi-minor axis--- 6356583.8 in.
E2 --------------- .006768658
Bessel BSL Semi-major axis--- 6377397.155 m.
Semi-minor axis--- 6356078.9628 in.
E2 --------------- .006674372
Army Map Service
AMS Semi-major axis--- 6378270.0 m.
Semi-minor axis--- 6356794.3434 in.
E2 --------------- .006722670
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DETERMINING PAYLOAD
CLOCK TIME
When using this option the program requires the payload clock time (PCT)
at time 1 and the PCT at time 2 as parameters. You can obtain this infor-
mation from the MCD or read the PCT directly from the film. On a KH-7
time track payload clock time is represented by PCT "words" consisting of
23 binary digits or bits, i.e., 0 and 1.* (See Figure 16 which appears at
the end of this chapter.) A twenty-fourth bit is assumed to be present
and is considered to be OFF. The least significant bit in the PCT word
is the index bit which is always ON. This bit is also one of the bits in
the 20-cycle time track. Beginning with the least significant bit and
moving to the left, divide the bits into groups of three binary digits.
Convert each group of three bits to its corresponding octal number. Binary
numbers and their octal equivalents are listed below.
Binary Corresponding
Numbers Octal Numbers
000 0
001 1
1010 2
011 3
1jdjD 4
101 5
110 6
111 7
* Binary digit jD is OFF; binary digit 1 is ON. The bits that are physically
present on the time track are ON bits. The absence of a bit indicates an
OFF bit.
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MARKING
FIDUCIALS
When using this option you have the choice of transmitting two or five
fiducials. Transmitting five fiducials should result in more accurate men-
sural output.
Marking Two
Fiducials
Mount the film positive, emulsion side up, on a light table. The tit-
ling will be at the top of the frame, but it will not be in the correct
reading position. Note the series of small, collinear time marks at the
bottom of the film. This is a time track. With a grease pencil or by some
other method, circle the time track at a point which is at least four inches
from the left edge of the frame. This circle should be directly opposite
the target area if possible. One of the time marks in this circle will be
fiducial 1. Circle another area on the time track about two to four inches
to the left of the first circle. One of the time marks in this circle will
be fiducial 2. (See Figure 17 which appears at the end of this chapter.)
Marking Five
Fiducials
Mount the film positive, emulsion side up, on a light table. The tit-
ling will be at the top of the frame, but it will not be in the correct
reading position. With a grease pencil or by some other method, circle the
five fiducials on the film positive. Fiducial 1 is the index bit of the
PCT word closest to the target area (the reference PCT word). Fiducials 2
and 3 may be any points along the bottom edge of the imagery, but the po-
sition of fiducial 3 in relation to fiducial 2 must be in the direction of
"time on." In other words, if an arrow were drawn from fiducial 3 to fi-
ducial 2, it would indicate the direction of flight. Fiducials 4 and 5 may
be in either order along the top edge of the imagery, but they must be the
same distance from the longitudinal center line as fiducials 2 and 3-. (See
Figure 18 which appears at the end of this chapter.)
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INITIALIZING
A TELETYPE
Before you can measure using the Real-Time Mensuration Program, the
teletype must be initialized, that is, you must indicate to the program
the type of photography to be processed and the camera system that produced
that photography. To initialize a teletype follow these instructions in
the order given.
Press & release ALT MODE key
Press CTRL + U keys (simultaneously)
Type INIT
Press RETURN key
You will then receive this message on the teletype:
Type K7A
Press RETURN key
You will then receive this message:
LOAD FILM
Load the film positive on a comparator. Procedures for mounting film on
a comparator will depend on which comparator you use. These procedures can
be found in CHAPTER II, THE EQUIPMENT.
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SUBMITTING
PARAMETERS
You will now receive a series of messages requesting parameters.
Each message will consist of a request for a specific parameter and the
format of that parameter. Characters used in the formats are these:
X = number
Z = letter
S = plus or minus sign
= dash
= decimal point
As you receive each message, type the requested parameter in the
correct format and then press the RETURN key. You must press the RETURN
key after you enter each parameter. For example, when you receive this
message
PROJECT NUMBER XXXXXX
complete the message by typing the correct project number.
PROJECT NUMBER XXXXXX 920022
Then press the RETURN key.
The program provides you with three methods for correcting errors.
If you make an error(s) while submitting parameters, follow the approp-
riate set of instructions.
Correcting Characters
If the last character you typed was erroneous, you can correct it
by using the upper case symbol on the N key (T). Press the SHIFT key
and the N key simultaneously. Pressing these keys will produce an
arrow and delete the preceding character from the transmission. Then
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type the correct character. The incorrect character will remain on the
printed page. For example:
You can delete up to five consecutive characters. If you have more than
one character to correct, press the SHIFT key and the N key to delete each
one. Then type the correct characters.
Correcting Lines
If you have made an error in the preceding line, you can delete that
line. Simply type DELET and then press the RETURN key. The preceding
line, i.e., the parameter and its format, will be reprinted. Type the
correct parameter and then press the RETURN key. For example
,
ENTER SYSTEM NAME
K7A
LOAD FILM
PROJECT
NUMBER
XXXXXX
920032
EMULSION
ZZ
DELET RETURN k
ey
PROJECT
NUMBER
XXXXXX
920022 RETURN k
ey
EMULSION
ZZ
You may delete as many lines as you wish. If you have more than one
line to delete, type DELET and then press the RETURN key for each line.
Each time you do this, the program will back up the parameter list one
line. After you have deleted the last erroneous line and that parameter
and its format have been reprinted, resume typing parameters. For example,
ENTER SYSTEM NAME
K7A
LOAD FILM
PROJECT NUMBER
XXXXXX
920032
EMULSION
ZZ
DN
FIDUCIALS
X
DELET
RETURN
key
EMULSION
ZZ
DELET
RETURN
key
PROJECT NUMBER
XXXXXX
920022
RETURN
key
EMULSION
ZZ
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Except for the first parameter, i.e., the system name, all parameters may
be deleted using this method.
Correcting an Entire
Parameter List
If you find that you have made several errors, you can delete the
entire parameter list and begin again. To do this, type INIT and then
press the RETURN key. The teletype will reprint ENTER SYSTEM NAME.
Simply type the parameters again.
Terminating Frame
Operations
At any time while you are submitting parameters, you may terminate
frame operations. If you decide not to continue processing for any reason,
simply type TERM and then press the RETURN key. The teletype will print
TERM.
INITIALIZING
A COMPARATOR
After you have submitted all parameters, this message will appear on
the teletype you are using:
Check the coordinate count on the control panel. The maximum permissible
count is 999999. If the count is 900000 or over, reset the counter to
000000?
Before you can use a comparator to obtain dimensional data, it must be
initialized, i.e., you must transmit fiducials to the program to establish
a coordinate system. Whether you transmit two fiducials or five fiducials
will depend on the number you input as a parameter.
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Transmitting
Two Fiducials
Using the X and Y drive and the X and Y wheels, place the crosshairs over
the area circled earlier for fiducial 1. Select one of the time marks in
the circle. For best results, place the crosshairs over a point on this
time mark so that a corresponding point can be easily located on the time
mark you select for fiducial 2. For example, select one corner of this time
mark. Transmit this corner as fiducial 1 by pressing the FIDUCIAL button.
You will receive the coordinates of fiducial 1 via the teletype. You will
also receive this message:
Move the crosshairs to the other circled area and select a time mark. Po-
sition the crosshairs over the corner on this time mark that corresponds
to the one selected for fiducial 1. Transmit this corner as fiducial 2 by
pressing the FIDUCIAL button. You will receive the coordinates of fiduci-
al 2 on the teletype. The direction of flight azimuth and the inertial azi-
muth will also be printed on the teletype. If they do not agree within a
few degrees, there is an error in one of the parameters which was input
from the teletype. You should locate the error and determine whether to
continue or to start the program again. You will also receive this message:
Transmitting
Five Fiducials
Using the X and Y drive and the X and Y wheels, move the crosshairs
over the index bit of the PCT word closest to the target area (the refer-
ence PCT word) circled as fiducial 1. Transmit this point as fiducial 1 by
pressing the FIDUCIAL button. You will receive the coordinates of fiducial
1 via the teletype. You will also receive this message:
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Move the crosshairs to the point circled for fiducial 2. Transmit this
point as fiducial 2 by pressing the FIDUCIAL button. Transmit fiducials
3, 4, and 5 in the same manner. After each fiducial is transmitted, you
will receive its coordinates on the teletype, and except for fiducial 5,
you will also receive this message:
After fiducial 5 has been transmitted, the direction of flight azimuth
and the inertial azimuth will be printed on the teletype. If they do not
agree within a few degrees, there is an error in one of the parameters
which was input from the teletype. You should locate the error and de-
termine whether to continue or to start the program again. You will also
receive this message:
TRANSMITTING POINTS
FOR CALCULATIONS
You are now ready to transmit points to be used for calculations by
the Real-Time Mensuration Program. However, if you want the program to pro-
duce a plot, you must first initialize the plotter. (See CHAPTER II, INITIAL-
IZING A PLOTTER section.) Then follow the instructions given below for trans-
mitting points for calculations.
1. Turn the first rotary switch to the desired setting.
2. Release any output function buttons that may have been
pressed.
3. Press the appropriate output function buttons for the
calculations you want.
4. Position the comparator crosshairs over each point you
want to transmit. Transmit each of these points to the
program by pressing the appropriate transmission button.
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1 -1
0
Mensural calculations will be printed on the teletype. If you have
elected to have the program produce a plot, you will also receive that on
the 0 plotter.
TERMINATING FRAME
OPERATIONS
After all measurements have been calculated, operations for the frame
being processed must be terminated by pressing the FIDUCIAL button. Place
the comparator crosshairs over fiducial 1. Press the FIDUCIAL button to be-
gin the termination of frame operations. You will then receive this message
on the teletype:
Measurements can continue to be calculated until you press the FIDUCIAL but-
ton twice in succession. When you press the FIDUCIAL button a second time,
you will receive this message:
FRAME OPERATIONS TERMINATED DATE TIME
POINTING COUNT = XX FILM DRIFT = XX.XX MICRONS
The pointing count is the total number of points transmitted including fidu-
cials. Film drift is the distance the film has moved at fiducial 1 from the
time the fiducials were first transmitted until frame operations were ter-
minated. Extensive film drift may result in inaccurate mensural calculations.
SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD FILM
PROJECT NUMBER XXXXXX
EMULSION ZZ
FIDUCIALS X
MISSION XXXX
REV XXX
920022
DN
2
0
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ACC
FOCAL LENGTH
MIRROR PITCH
MIRROR CRAB
VEH PITCH
VEH ROLL
VEH YAW
NADIR-LAT T1
NADIR-LAT T2
NADIR-LONG Ti
NADIR-LONG T2
INER VEL T1
INER VEL T2
VEH AZIM T1
VEH AZIM T2
FLT PTH/T1
FLT PTH/T2
EL-SUN Ti
EL-SUN T2
SUN-AZ T1
SUN-AZ T2
HEIGHT Ti
HEIGHT T2
VF
TARGET T/D
TOTAL T/D
PCT T1
PCT T2
SHRINK
SLIT LENGTH
TRANSLATION
ELEVATION
ELLIPSOID
PLOT DIST
xxx
XXX. xx
SXX.XXXX
SXX.XXX
SXX.XXXX
SXX.XXX
SXX.XXXX
XX-XX.XXZ
XX-XX.XXZ
XXX-XX.XXZ
XXX-XX.XXZ
XXXXX.XX
XXXXX.XX
XXX. xxx
XXX. xxx
SX.XXXX
SX.XXXX
XX.X
XX.X
XXX.X
XXX. X
XXX. xxx
XXX. xxx
XX.XXXX
XX.XXX
XX.XXX
xxxxxxxx
xxxxxxxx
X.XXXX
X. XXXXX
xxxxxx
SXXXXX
ZZZ
XX. X
008
120.09
-09.0066
-00.456
+03.0600
+10.444
+01.1600
23-55.115
23-50.23S
123-09.44E
123-12.23E
25000.09
24998.90
089.098
?087.087
+1.0990
+1.1100
45.0
45.0
100.0
100.0
090.090
088.089
03.0996
21.090
50.000
12345670
01234567
0.3343
0.44297
221569
+23578
MCD
25.9
X FID=+ 2066
Y FID=+ 10090
X FID=+ 90090
Y FID=+ 190000
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DOF AZIM= 205.352 DEG
IN AZIM= 202.388 DEG
VIEWER INITIALIZED
AZIMUTH= 3.96 DEG
FIRST TERMINAL FID RECEIVED
FRAME OPERATIONS TERMINATED JAN. 10,73 1559
POINTING COUNT= 5 FILM DRIFT= 6.50 MICRONS
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OBTAINING
PARAMETERS
You will be responsible for obtaining all parameters needed for each
use of the program. Parameters will identify the film being processed,
and they will be transmitted via an on-line teletype. If you want the
program to produce a plot, you will also need a parameter for plot dis-
tance. The use of this capability is optional.
Before you use the program, assemble all required parameters. These
parameters and their sources are listed in Table 15. Most parameters can
be found in the Mission Correlation Data (MCD) for the mission from which
the film was derived. Many requests via the teletype for parameters will
be followed by
* T1; indicating the value of that
parameter recorded at camera
"on" time
* T2; indicating the value of that
parameter recorded at camera "off"
time
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Table 15. Parameters Needed for C7A Option
Project number; assigned by NPIC;
6 digits & alpha suffix if
applicable
Emulsion; up or do
Mission number
Revolution number
Accession number
Focal length; inches
Mirror pitch; degrees
Mirror crab; degrees
Vehicle pitch; stellar-reduced
pitch of index camera; degrees;
if unknown, enter zero
Vehicle roll; stellar-reduced
roll of index camera; degrees;
if unknown, enter zero
Vehicle yaw; stellar-reduced
inertial yaw of index camera;
degrees; if unknown, enter
zero
Nadir-latitude T1; degrees, minutes,
& direction
Nadir-latitude T2; degrees, minutes,
& direction
Current MIS active project listing
You must determine
Film
MCD
Film
Output listing from Stellar Reduction
System
Output listing from Stellar Reduction
System
Output listing from Stellar Reduction
System
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Table 15. Parameters Needed for C7A Option (Continued)
Nadir-longitude Ti; degrees, min- MCD
utes & direction
Nadir-longitude T2; degrees, min- MCD
utes & direction
Inertial velocity Ti; feet per MCD
second
Inertial velocity T2; feet per MCD
second
Vehicle azimuth Ti; degrees MCD
Vehicle azimuth T2; degrees MCD
Flight path Ti; degrees MCD
Flight path T2; degrees MCD
Sun elevation Ti; degrees MCD
Sun elevation T2; degrees MCD
Sun azimuth Ti; degrees MCD
Sun azimuth T2; degrees MCD
Height Ti; nautical miles MCD
Height T2; nautical miles MCD
Velocity of film; inches per MCD
second
Target T/D; time or distance from You measure & record
Ti to first grid endpoint; may
be in any units including frac-
tions of a second of time
Total T/D; time or distance from You measure & record
Ti to T2; must be in same units
as Target T/D
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Table 15. Parameters Needed for C7A Option (Continued)
Payload clock time Ti; octal number MCD or you determine from film
Payload clock time T2; octal number MCD or you determine from film
First grid; x & y coordinates You measure & record
of first grid endpoint; cen-
timeters
Second grid; x & y coordinates You measure & record
of second grid endpoint; cen-
timeters
Elevation (of target area); posi- Maps & research material
tive if above sea level; feet
Ellipsoid; earth ellipsoid which To meet your specifications
best fits the target area
Plot distance; optional; distance To meet your specifications
in inches on plotter; for plot-
ter initialization, used with
image limits to determine scale
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CHOOSING
ELLIPSOIDS
When evaluating film you will indicate the earth ellipsoid which best
fits the target area. Choose the best fitting ellipsoid out of the six pre-
sently available and enter the mnemonic for that ellipsoid as a parameter.
The six ellipsoids, their mnemonics, and their measurements including the
eccentricity squared (E2) of each ellipsoid are given below.
Ellipsoid Mnemonic
Mission Correlation Data or MCD Semi-major axis--- 6378177.8 in.
Mission Performance Report Semi-minor axis--- 6356796.05 m.
E2 --------------- .006693422
Krassovsky KVY Semi-major axis--- 6378245.0 in.
Semi-minor axis--- 6356863.0188 m.
E2 --------------- .006693422
International INT Semi-major axis--- 6378388.0 in.
Semi-minor axis--- 6356911.9961 m.
E2 --------------- .006722670
Clarke 1866 CRK Semi-major axis--- 6378206.4 m.
Semi-minor axis--- 6356583.8 m.
E2 --------------- .006768658
Bessel BSL Semi-major axis--- 6377397.155 m.
Semi-minor axis--- 6356078.9628 m.
E2 --------------- .006674372
Army Map Service
AMS Semi-major axis--- 6378270.0 M.
Semi-minor axis--- 6356794.3434 m.
E2 --------------- .006722670
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DETERMINING PAYLOAD
CLOCK TIME
When using this option the program requires the payload clock time
(PCT) at time 1 and time 2 as parameters. You can obtain this information
from the MCD or read the PCT directly from the film. Payload clock time
is represented on a time track by PCT "words" consisting of binary digits
or bits, i.e., 0 and 1.* On a KH-7 time track the PCT word consists of 23
bits. (See Figure 16 which appears at the end of this chapter.) A twenty-
fourth bit is assumed to be present and is considered to be OFF. The least-
significant bit in the PCT word is the index bit which is always ON. This
bit is also one of the bits in the 20-cycle time track. Beginning with the
least significant bit, and moving to the left, divide the bits into groups
of three binary digits. Convert each group of three bits to its correspond-
ing octal number. Binary numbers and their octal equivalents are listed be-
low.
Binary Corresponding
Numbers Octal Numbers
0,00 10
001 1
010 2
011 3
100 4
101 5
110 6
111 7
* Binary digit 0 is OFF; binary digit 1 is ON. The bits that are physical-
ly present on the time track are ON bits. The absence of a bit indicates
an OFF bit.
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MEASURING GRID
COORDINATES
Mount the film positive, emulsion side down, on a light table. The
titling will be at the top of the frame, and it will be in the correct read-
ing position. To measure the grid coordinates, place a Universal Grid Num-
ber 1 over or under the film so that the grid numbers and grid titling read
correctly. Position the grid so that
* the x = 46 line is aligned with the index
bit to the left of the target, and
* the tick marks at y = 23.1 are aligned with
the yaw slit line, which is a clear line
imaged at the top of the frame approximately
two millimeters from the format edge
With a pinpoint or by some other method, mark the end points of the longest
line segment (usually diagonal) that can be drawn through the target area.
These points must fall on grid intersections. Record the grid coordinates
of these two points and note the order in which you recorded them. Cut
the chip from the frame.
INITIALIZING
A TELETYPE
Before you can measure using the Real-Time Mensuration Program, the
teletype must be initialized, that is, you must indicate to the program
the type of photography to be processed and the camera system that pro-
duced the photography. To initialize a teletype follow these instructions
in the order given.
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Press & release ALT MODE key
Press CTRL + U keys (simultaneously)
Type INIT
Press RETURN key
You will then receive this message on the teletype:
Type C7A
Press RETURN key
You will then receive this message:
LOAD CHIP
Load the film positive on the comparator. Procedures for placing the chips
can be found in CHAPTER II, THE EQUIPMENT.
SUBMITTING
PARAMETERS
You will now receive a series of messages requesting parameters. Each
message will consist of a request for a specific parameter and the format
of that parameter. Characters used in the formats are these:
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X = number
Z = letter
S = plus or minus sign
= dash
= decimal point
As you receive each message, type the requested parameter in the correct
format and then press the RETURN key. You must press the RETURN key after
you enter each parameter. For example, when you receive this message
complete the message by typing the correct project number.
PROJECT NUMBER XXXXXX 920022
Then press the RETURN key.
The program provides you with three methods for correcting errors.
If you make an error(s) while submitting parameters, follow the appropriate
set of instructions.
Correcting Characters
If the last character you typed was erroneous, you can correct it by
using the upper case symbol on the N key (?). Press the SHIFT key and the
N key simultaneously. Pressing these keys will produce an arrow and
delete the preceding character from the transmission. Then type the
correct character. The incorrect character will remain on the printed
page. For example:
IV-27
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You can delete up to five consecutive characters. If you have more than
one character to correct, press the SHIFT key and the N key to delete
each one. Then type the correct characters.
Correcting Lines
If you have made an error in the preceding line, you can delete that
line. Simply type DELET and then press the RETURN key. The preceding line,
i.e., the parameter and its format, will be reprinted. Type the correct
parameter and then press the RETURN key. For example,
ENTER SYSTEM NAME C7A
LOAD FILM
PROJECT NUMBER XXXXXX 920032
EMULSION ZZ DELET RETURN key
PROJECT NUMBER XXXXXX 920022 RETURN key
EMULSION ZZ
You may delete as many lines as you wish. If you have more than one
line to delete, type DELET and then press the RETURN key for each line.
Each time you do this, the program will back up the parameter list one line.
After you have deleted the last erroneous line and that parameter and its
format have been reprinted, resume typing parameters. For example,
ENTER SYSTEM NAME C7A
LOAD FILM
PROJECT NUMBER XXXXXX 920032
EMULSION ZZ DN
MISSION XXXX DELET RETURN key
EMULSION ZZ DELET RETURN key
PROJECT NUMBER XXXXXX 920022 RETURN key
EMULSION ZZ
Except for the first parameter, i.e., the system name, all parameters may
be deleted using this method.
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Correcting an Entire
Parameter List
If you find that you have made several errors, you can delete the en-
tire parameter list and begin again. To do this, type INIT and then press
the RETURN key. The teletype will reprint ENTER SYSTEM NAME. Simply type
the parameters again.
Terminating Frame
Operations
At any time while you are submitting parameters, you may terminate
frame operations. If you decide not to continue processing for any reason,
simply type TERM and then press the RETURN key. The teletype will print
TERM.
? A COMPARATOR
After you have submitted all parameters, this message will appear on
the teletype you are using:
Check the coordinate count on the control panel. The maximum permissible
count is 999999. If the count is 900000 or over, reset the counter to
10.010.0.00.
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Before you can use a comparator to obtain dimensional data, it must
be initialized, i.e., you must transmit grid points to the program to
establish a coordinate system. Using the X and Y drive and the X and Y
wheels, place the comparator crosshairs over the point entered as the
first grid. Transmit this point to the program by pressing the FIDUCIAL
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button. You will then receive the coordinates of this grid point on the
teletype. You will also receive this message:
Position the crosshairs over the point entered as the second grid. Trans-
mit this point to the program by pressing the FIDUCIAL button. You will
receive the coordinates of the second grid point on the teletype. The di-
rection of flight azimuth and the inertial azimuth will also be printed on
the teletype. If they do not agree within a few degrees, there is an error
in one of the parameters which was input from the teletype. You should lo-
cate the error and determine whether to continue or to start the program
again. You will also receive this message:
TRANSMITTING POINTS
FOR CALCULATIONS
You are now ready to transmit points to be used for calculations by
the Real-Time Mensuration Program. However, if you want the program to pro-
duce a plot, you must first initialize the plotter. (See CHAPTER II, INITIAL-
IZING A PLOTTER section.) Then follow the instructions given below for trans-
mitting points for calculations.
1. Turn the first rotary switch to the desired setting.
2. Release any output function buttons that may have been
pressed.
3. Press the appropriate output function buttons for the
calculations you want.
4. Position the comparator crosshairs over each point you
want to transmit. Transmit each of these points to the
program by pressing the appropriate transmission button.
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Mensural calculations will be printed on the teletype. If you have
elected to have the program produce a plot, you will also receive that on
the plotter.
TERMINATING FRAME
OPERATIONS
After all measurements have been calculated, operations for the frame
being processed must be terminated by pressing the FIDUCIAL button. Place
the comparator crosshairs over the first grid point. Press the FIDUCIAL
button to begin the termination of frame operations. You will then
receive this message on the teletype:
Measurements can continue to be calculated until you press the FIDUCIAL
button twice in succession. When you press the FIDUCIAL button a second
time, you will receive this message:
FRAME OPERATIONS TERMINATED DATE TIME
POINTING COUNT = XX FILM DRIFT = XX.XX MICRONS
is
The pointing count is the total number of points transmitted including
grid points. Film drift is the distance the film has moved at the first
grid point from the time the grid points were first transmitted until
frame operations were terminated. Extensive film drift may result in
inaccurate mensural calculations.
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SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD CHIP
PROJECT NUMBER
xxxxxx
920022
EMULSION
ZZ
DN
MISSION
xxxx
0
REV
xxx
009
ACC
xxx
008
FOCAL LENGTH
XXX.XX
120.00
MIRROR PITCH
SXX.XXXX
+09.2345
MIRROR CRAB
SXX.XXX
-05.678
VEH PITCH
SXX.XXXX
-03.0909
VEH ROLL
SXX.XXX
-05.678
VEH YAW
SXX.XXXX
+10.0000
NADIR-LAT Ti
XX-XX.XXZ
23-23.23N
NADIR-LAT T2
XX-XX.XXZ
23-20.OON
NADIR-LONG T1
XXX-XX.XXZ
109-45.09E
NADIR-LONG
T2
XXX-XX.XXZ
109-44.09E
INER VEL T1
XXXXX.XX
23456.00
INER VEL T2
XXXXX.XX
23400.00
VEH AZIM T1
XXX. xxx
234.234
VEH AZIM T2
XXX. xxx
230.090
FLT PTH/T1
SX.XXXX
+1.0098
FLT PTH/T2
SX.XXXX
+1.0909
EL-SUN T1
XX. X
45.0
EL-SUN T2
XX.X
45.0
SUN-AZ T1
XXX. X
100.0
SUN-AZ T2
XXX.X
100.0
HEIGHT T1
XXX. xxx
100.000
HEIGHT T2
XXX. xxx
098.098
VF
XX.XXXX
08.0000
TARGET T/D
XX. xxx
29.000
TOTAL T/D
XX.XXX
46.000
PCT T1
XXXXXXXX
12345670
PCT T2
XXXXXXXX
01234567
FIRST GRID
xx-xx
23-09
SECOND GRID
xx-xx
30-18
ELEVATION
SXXXXX
-00078
ELLIPSOID
ZZZ
MCD
PLOT DIST
XX.X
20.0
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X FID=+ 90090
Y FID=+ 0
X FID=+ 0
Y FID=+ 190000
DOF AZIM= 205.352 DEG
IN AZIM= 202.388 DEG
VIEWER INITIALIZED
LAT= 23D 10M 58.8S N
LONG= 109D 38M 27.6S E
FIRST TERMINAL FID RECEIVED
FRAME OPERATIONS TERMINATED JAN. 10,73 1605+
POINTING COUNT= 5 FILM DRIFT= 0.00 MICRONS
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OBTAINING
PARAMETERS
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you want to use. All the parameters needed to use
a stereoscopic option will be found in the parameter table. However, those
parameters listed in the table that fall between "Fiducials" and "Elevation"
for the SK7A option and "Emulsion" and "Elevation" for the SC7A option must
be obtained for both frames or chips.
CHOOSING
ELLIPSOIDS
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you want to use.
DETERMINING PAYLOAD
CLOCK TIME
Refer to this section under the monoscopic option that corresponds
to the stereoscopic option you want to use. The procedures for determining
payload clock time for a stereoscopic option are the same as those for a
monoscopic option except that you must determine the payload clock time for
both frames or chips.
MARKING FIDUCIALS OR
MEASURING GRID COORDINATES
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you want to use. The procedures for marking fiducials
or measuring grid coordinates for a stereoscopic option are the same as those
for a monoscopic option except that you must mark fiducials or measure grid
coordinates for both frames or chips.
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INITIALIZING
A TELETYPE
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you want to use.
SUBMITTING
PARAMETERS
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you want to use. The procedures for submitting para-
meters for a stereoscopic option are the same as those for a monoscopic option
with the following exception. When using a stereoscopic option, the program
will request some of the parameters twice. The first request will be for all
the parameters for the left frame or chip and the second will be for the
right frame or chip.
INITIALIZING
A COMPARATOR
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you want to use. The procedures for initializing a
comparator for a stereoscopic option are the same as those for a monoscopic
option with the following exception. You must transmit fiducials or grid
points for both frames or chips. Transmit the fiducials or grid points for
the left frame or chip first.
RELATIVE
ORIENTATION
The relative orientation (R/O) of the frames or chips you are viewing
with respect to each other should result in more accurate measurements. To
calculate the relative orientation you must transmit from 6 to 20 correspond-
ing points (R/O points) on each frame or chip simultaneously. These points
must be as close as possible to the same ground elevation. Before transmit-
ting the R/O points you must press the R/O output function button. The
program is now ready to receive the R/O points.
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Transmitting
R/O Points
Move the crosshairs over the first R/O point to be transmitted. Send
this point as an initial point. You will receive this message:
Except for the last R/O point all R/O points must be sent as initial points.
Each time you send an R/O point as an initial point, you will receive this
message:
Send the last R/O point as a terminal point. At this time an additional
pitch, roll, and yaw will be calculated and printed on the teletype along
with the following message:
PITCH = -OD 1M 20.9S
YAW = -OD 10M 22.9S
ROLL = +OD 5M 21.95
If you choose, you may have the coordinates of the R/O points printed on
the teletype. To do this press the CMC ECHO button before you transmit the R/O
points. Every time you send an R/O point as an initial point, you will re-
ceive this message:
CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
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When you transmit the terminal R/O point, you will receive this message:
PITCH = -OD 1M 20.9S
YAW = -OD 10M 22.95
ROLL = +OD 5M 21.9S
CMCX =
XXXXX.X
MICRONS =
CMCY =
XXXXX.X
MICRONS =
CMCX =
XXXXX.X
MICRONS =
CMCY =
XXXXX.X
MICRONS =
XXXXXX COUNTS
XXXXXX COUNTS
XXXXXX COUNTS
XXXXXX COUNTS
Should you make an error while transmitting the R/O points, you can cor-
rect it by deleting the erroneous transmission. For example, if you send an
incorrect R/O point as an initial point, you can delete that transmission by
sending an intermediate point. You will receive this message:
If you have transmitted several erroneous initial points, send the same num-
ber of intermediate points, and when the last intermediate point is received,
you will receive this message:
After you have transmitted the R/O points and received the additional
pitch, roll, and yaw, you are ready to transmit points for mensural calcula-
tions as described in the following section. However, if you find that the
additional pitch, roll, and yaw do not result in more accurate calculations,
you can nullify the relative orientation or recalculate it.
Nullifying The
Relative Orientation
To nullify the relative orientation, release the R/O button and press
the SET R/O TO IDENTITY button. Transmit a point for mensural calculations.
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You will receive the mensural output requested and this message:
R/O SET TO IDENTITY MATRIX
You are ready to continue transmitting points for mensural calculations with-
out the additional pitch, roll, and yaw.
Recalculating The
Relative Orientation
To recalculate the relative orientation, first nullify it, and then re-
calculate the relative orientation according to the procedures described
on the previous pages.
TRANSMITTING POINTS
FOR CALCULATIONS
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you are using.
SWITCHING FROM A STEREO
OPTION TO A MONO OPTION
When you are using a stereo comparator, you can switch to a monoscopic
option for either the left or right stage and back to stereo without reini-
tializing the comparator by turning the second rotary switch in the first
row of rotary switches to the setting which corresponds to the option you
want. The second rotary switch settings and the options are:
Second Rotary
Switch Setting
Option
J0
Stereo
1
Mono - left stage
2
Mono - right stage
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You must also turn the first rotary switch which indicates the output func-
tions you will use to the desired setting. There are different settings for
stereoscopic and monoscopic options. (See CHAPTER II, USING THE OUTPUT FUNC-
TION BUTTONS section.)
When switching from one option to another, the first point transmitted
after turning the first and second rotary switches to the desired settings
must be an initial point. After sending an initial point, you will receive
one of the following messages which indicates which option has been selected
prior to any printed output:
BOTH FRAMES - STEREO
RIGHT FRAME
LEFT FRAME
If the first point transmitted is other than an initial point, you will re-
ceive the following message:
?
?
If you receive this message, transmit the next point as an initial point.
TERMINATING FRAME
OPERATIONS
Refer to this section under the monoscopic option that corresponds to
the stereoscopic option you are using.
SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME SK7A
LOAD FILM
PROJECT NUMBER XXXXXX 920022
EMULSION ZZ DN
FIDUCIALS X 2
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MISSION
xxxx
REV
xxx
090
ACC
xx
008
FOCAL LENGTH
XXX.XX
120.09
MIRROR PITCH
SXX.XXXX
-09.0066
MIRROR CRAB
SXX. xxx
-00.456
VEH PITCH
SXX. XXXX
+03.0600
VEH ROLL
SXX. xxx
+10.444
VEH YAW
SXX.XXXX
+01.1600
NADIR-LAT Ti
XX-XX.XXZ
23-55.11S
NADIR-LAT T2
XX-XX. xxz
23-50.23S
NADIR-LONG T1
XXX-XX.XXZ
123-09.44E
NADIR-LONG T2
XXX-XX.XXZ
123-12.23E
INER VEL T1
XXXXX.XX
25000.09
INER VEL T2
XXXXX.XX
24998.90
VEH AZIM T1
XXX. xxx
089.098
VEH AZIM T2
XXX. xxx
087.087
FLT PTH/T1
SX.XXXX
+1.0990
FLT PTH/T2
SX.XXXX
+1.1100
EL-SUN T1
XX.X
45.0
EL-SUN T2
XX. X
45.0
SUN-AZ T1
XXX.X
100.0
SUN-AZ T2
XXXX
100.0
HEIGHT T1
XXX. xxx
090.090
HEIGHT T2
XXX. xxx
088.089
VF
XX. xxxx
03.0996
TARGET T/D
XX.XXX
21.090
TOTAL T/D
XX. xxx
50.000
PCT T1
xxxxxxxx
12345670
PCT T2
xxxxxxxx
01234567
SHRINK
X.XXXX
0.3343
SLIT LENGTH
X.XXXXX
0.44297
TRANSLATION
xxxxxx
221569
MISSION
xxxx
1234
REV
xxx
095
ACC
xxx
009
FOCAL LENGTH
XXX.XX
120.09
MIRROR PITCH
SXX.XXXX
-09.0069
MIRROR CRAB
SXX.XXX
-00.450
VEH PITCH
SXX.XXXX
+03.0687
VEH ROLL
SXX. XXX
+10.440
VEH YAW
SXX.XXXX
+01.1597
NADIR-LAT T1
XX-XX.XXZ
22-55.10S
NADIR-LAT T2
XX-XX.XXZ
22-50.22S
NADIR-LONG T1
XXX-XX.XXZ
122-10.42E
NADIR-LONG T2
XXX-XX.XXZ
122-11.22E
INER VEL T1
XXXXX.XX
23000.10
INER VEL T2
XXXXX.XX
24990.85
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VEH AZIM T1 XXX.XXX 090.090
VEH AZIM T2 XXX.XXX 089.089
FLT PTH/Tl SX.XXXX +1.0999
FLT PTH/T2 SX.XXXX +1.1199
EL-SUN Ti XX.X 44.0
EL-SUN T2 XX.X 44.0
SUN-AZ T1 XXX.X 101.0
SUN-AZ T2 XXX.X 101.0
HEIGHT T1 XXX.XXX 095.095
HEIGHT T2 XXX.XXX 090.089
VF XX.XXXX 03.0999
TARGET T/D XX.XXX 22.085
TOTAL T/D XX.XXX 45.000
PCT T1 XXXXXXXX 25436754
PCT T2 XXXXXXXX 25437734
SHRINK X.XXXX 0.3345
SLIT LENGTH X.XXXXX 0.45385
TRANSLATION xxxxxx 221575
ELEVATION SXXXXX +23578
ELLIPSOID ZZZ MCD
PLOT DIST XX.X 25.9
X FID=- 0
Y FID=+ 0
X FID=+ 90000
Y FID=+ 0
X FID=+ 0
Y FID=+ 0
X FID=+ 244
Y FID=+ 87430
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DOF AZIM= 205.352 DEG
IN AZIM= 202.388 DEG
DOF AZIM= 205.448 DEG
IN AZIM= 202.992 DEG
VIEWER INITIALIZED
BOTH FRAMES STEREO
SEND NEXT POINT
CMCX =
11122.2
MICRONS
= 111211 COUNTS
CMCY =
11111.1
MICRONS
= 111112 COUNTS
CMCX =
11133.2
MICRONS
= 111333 COUNTS
CMCY =
11444.1
MICRONS
= 114443 COUNTS
CMCX =
22211.1
MICRONS
= 222112 COUNTS
CMCY =
11110.0
MICRONS
= 111111 COUNTS
CMCX =
33112.2
MICRONS
= 332221 COUNTS
CMCY =
11122.3
MICRONS
= 111224 COUNTS
CMCX =
44422.1
MICRONS
= 444222 COUNTS
CMCY =
44433.2
MICRONS
= 444331 COUNTS
CMCX =
33322.1
MICRONS
= 333211 COUNTS
CMCY =
33333.2
MICRONS
= 333333 COUNTS
CMCX =
55544.3
MICRONS
= 555442 COUNTS
CMCY =
55443.2
MICRONS
= 554431 COUNTS
CMCX =
55432.1
MICRONS
= 554322 COUNTS
CMCY =
54433.3
MICRONS
= 544332 COUNTS
CMCX =
66665.4
MICRONS
= 666653 COUNTS
CMCY =
66655.3
MICRONS
= 666552 COUNTS
CMCX =
66644.4
MICRONS
= 666443 COUNTS
CMCY =
66554.3
MICRONS
= 665542 COUNTS
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PITCH = -OD 1M 20.9S
YAW = -OD 10M 22.9S
ROLL = +OD 5M 21.9S
CMCX = 77665.5 MICRONS = 776654 COUNTS
CMCY = 77655.4 MICRONS = 776553 COUNTS
CMCX = 77754.3 MICRONS = 777542 COUNTS
CMCY = 77644.2 MICRONS = 776441 COUNTS
LAT = 34D 39M 28.8S N
LONG = 86D 40M 25.6S W
HEIGHT = 1699.7326 FT
LAT = 34D 39M 28.1S N
LONG = 86D 40M 21.OS W
GROUNDX = 89552.7 FT = 27295.7 METERS
GROUNDY = 68158.8 FT = -20774.8 METERS
GROUNDZ = 454704.9 FT = -141642.3 METERS
LAT = 34D 39M 30.4S N
LONG = 86D 40M 33.9S W
FIRST TERMINAL FID RECEIVED
FRAME OPERATIONS TERMINATED JAN. 10,73 1332+
POINTING COUNT= 18
DRIFT1= 0.00 MICRONS DRIFT2= 0.05 MICRONS
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20-Cycle Time Track
PCT Value - 23 Bits
^i i i Ii i ~~
Film Positive
Film L Positive
Side Up]
Least Significant
or Index Bit
(Always ON)
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Monoscopic Option
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Using the Real-Time Mensuration Program to process photography from
any panoramic camera system involves these steps in the order listed.
STEP 1 obtaining parameters
STEP 2 choosing ellipsoids
STEP 3 marking fiducials
STEP 4 initializing a teletype
STEP 5 submitting parameters
STEP 6 initializing a comparator
STEP 7 transmitting points for calculations
STEP 8 terminating frame operations
There are two options under which panoramic photography may be pro-
cessed. They are:
PAN frame of photography derived from any
panoramic camera system
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Stereoscopic Option
SPAN two frames of photography derived from
any panoramic camera system
When using the SPAN option, two additional steps are available. They
* transmitting relative orientation (R/O) points
to calculate the relative orientation of the
two frames of photography
* switching to the PAN option for either the left
or right stage
Both of these steps are optional.
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OBTAINING
PARAMETERS
You will be responsible for obtaining all parameters needed for each
use of the program. Parameters will identify the film you are processing,
and they will be transmitted via an on-line teletype. If you want the pro-
gram to produce a plot, you will also need a parameter for plot distance.
The use of this capability is optional.
Before you use the program, assemble all required parameters. These
parameters and some of their sources are listed in Table 27. Because of
the wide range of photography that can be used with this option, all sources
do not appear in the table. You must determine the best source where no
source is provided.
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Table 27. Parameters Needed for PAN Option
System name; PAN This manual
Project number; assigned by NPIC; Current MIS active project listing
6 digits & alpha suffix if
applicable
Emulsion; up or do You must decide
Focal length; millimeters ----
Vehicle pitch; attitude relative
to ground track; degrees & min-
utes
Vehicle roll; attitude relative
to ground track; degrees &
minutes
Vehicle yaw; attitude relative
to ground track; degrees &
minutes
Order (of rotation); Y=yaw,
P=pitch, R=roll; enter cor-
rect letter combination
Nadir latitude; angular measure-
ment; degrees, minutes & di-
rection
Nadir longitude; angular measure-
ment; degrees, minutes, & di-
rection
Center of format latitude; degrees,
minutes & direction
Center of format longitude; degrees,
minutes & direction
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Table 27. Parameters Needed for PAN Option (Continued)
Inertial velocity; feet per second
Ground track velocity; feet per
second
Inertial azimuth; degrees &
minutes
Ground track azimuth; angular
measurements; degrees &
minutes
Sun elevation; degrees & minutes
Solar azimuth; degrees & minutes
Altitude (above mean sea level);
feet
? Scan rate; radians per second
IMC type; R for rotational, T for This manual
translational
First fiducial x; x coordinate of
first grid intersection; milli-
meters
First fiducial y; y coordinate of
first grid intersection; milli-
meters
Second fiducial x; x coordinate of You measure & record
second grid intersection; milli-
meters
Second fiducial y; y coordinate of You measure & record
second grid intersection; milli-
meters
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Table 27. Parameters Needed for PAN Option (Continued)
Third fiducial x; x coordinate of
third grid intersection; milli-
meters
Third fiducial y; y coordinate of
third grid intersection; milli-
meters
Elevation (of target area); posi- Maps & research material
tive if above sea level; feet
Ellipsoid; earth ellipsoid which To meet your specifications
best fits the target area
Plot distance; optional; dis- To meet your specifications
tance in inches on plotter;
for plotter initialization,
used with image limits to
determine scale
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CHOOSING
ELLIPSOIDS
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When evaluating film you will indicate the earth ellipsoid which best
fits the target area. Choose the best fitting ellipsoid out of the six pre-
sently available and enter the mnemonic for that ellipsoid as a parameter.
The six ellipsoids, their mnemonics, and their measurements including the
eccentricity squared (E2) of each ellipsoid are given below.
Ellipsoid Mnemonic
Mission Correlation Data or MCD Semi-major axis--- 6378177.8 in.
Mission Performance Report Semi-minor axis--- 6356796.05 in.
E2 --------------- .006693422
Krassovsky KVY Semi-major axis--- 6378245.0 m.
Semi-minor axis--- 6356863.0188 m.
E2 --------------- .006693422
International INT Semi-major axis--- 6378388.0 in.
Semi-minor axis--- 6356911.9961 in.
E2 --------------- .006722670
Clarke 1866 CRK Semi-major axis--- 6378206.4 in.
Semi-minor axis--- 6356583.8 in.
E2 --------------- .006768658
Bessel BSL Semi-major axis--- 6377397.155 in.
Semi-minor axis--- 6356078.9628 in.
E2 --------------- .006674372
Army Map Service
AMS Semi-major axis--- 6378270.0 m.
Semi-minor axis--- 6356794.3434 m.
E2 --------------- .006722670
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MARKING
FIDUCIALS
One method of marking fiducials is presented here; other methods can
be found which are equally good. Mount the film positive, emulsion side
up, on a light table. Place a Universal Grid Number 2 over or under the
film so that
* the X = 46 and Y = 12 grid intersection is
aligned with the principal point of the
film
* the grid lines are parallel to the format
edges of the film
* the positive Y axis is in the direction
of flight
with a pinpoint or by some other method, mark three points on the film
at non-collinear grid intersections. Two to four inches between points
is sufficient. These three points will be fiducials 1, 2, and 3,
respectively.
* multiply each grid coordinate by
ten to convert it from centimeters
to millimeters
The resultant values will be used as parameters. (See Table 27.)
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INITIALIZING
A TELETYPE
Before you can measure using the Real-Time Mensuration Program, the
teletype must be initialized, that is, you must indicate to the program
the type of photography to be processed. To initialize a teletype follow
these instructions in the order given.
Press & release ALT MODE key
Press CTRL + U keys (simultaneously)
Type INIT
Press RETURN key
You will then receive this message on the teletype:
Type PAN
Press RETURN key
You will then receive this message:
LOAD FILM
Load the film positive on the comparator. Procedures for mounting film on
a comparator will depend on which comparator you use. These procedures
can be found in CHAPTER II, THE EQUIPMENT.
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SUBMITTING
PARAMETERS
You will now receive a series of messages requesting parameters.
Each message will consist of a request for a specific parameter and the
format of that parameter. Characters used in the formats are these:
X = number
Z = letter
S = plus or minus sign
- = dash
= decimal point
As you receive each message, type the requested parameter in the correct
format and then press the RETURN key. You must press the RETURN key
after you enter each parameter. For example, when you receive this
message
complete the message by typing the correct project number.
PROJECT NUMBER XXXXXX 920022
Then press the RETURN key.
The program provides you with three methods for correcting errors.
If you make an error(s) while submitting parameters, follow the approp-
riate set of instructions.
Correcting Characters
If the last character you typed was erroneous, you can correct it by
using the upper case symbol on the N key (t). Press the SHIFT key and
the N key simultaneously. Pressing these keys will produce an arrow and
delete the preceding character from the transmission. Then type the
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correct character. The incorrect character will remain on the printed
page. For example:
You can delete up to five consecutive characters. If you have more than
one character to correct, press the SHIFT key and the N key to delete
each one. Then type the correct characters.
Correcting Lines
If you have made an error in the preceding line, you can delete that
line. Simply type DELET and then press the RETURN key. The preceding
line, i.e., the parameter and its format, will be reprinted. Type the
correct parameter and then press the RETURN key. For example,
ENTER SYSTEM NAME PAN
LOAD FILM
PROJECT NUMBER XXXXXX 920032
EMULSION ZZ DELET RETURN key
PROJECT NUMBER XXXXXX 920022 RETURN key
EMULSION ZZ
You may delete as many lines as you wish. If you have more than one
line to delete, type DELET and then press the RETURN key for each line.
Each time you do this, the program will back up the parameter list one
line. After you have deleted the last erroneous line and that parameter
and its format have been reprinted, resume typing parameters.
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For example,
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ENTER SYSTEM NAME PAN
LOAD FILM
PROJECT NUMBER XXXXXX 920032
EMULSION ZZ DN
FOCAL LENGTH XXXX.XXX DELET RETURN key
EMULSION ZZ DELET RETURN key
PROJECT NUMBER XXXXXX 920022 RETURN key
EMULSION ZZ
Except for the first parameter, i.e., the system name, all parameters may
be deleted using this method.
Correcting An Entire
Parameter List
If you find that you have made several errors, you can delete the
entire parameter list and begin again. To do this, type INIT and then
press the RETURN key. The teletype will reprint ENTER SYSTEM NAME.
Simply type the parameters again.
Terminating Frame
Operations
At any time while you are submitting parameters, you may terminate
frame operations. If you decide not to continue processing for any
reason, simply type TERM and then press the RETURN key. The teletype
will print TERM.
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INITIALIZING
A COMPARATOR
After you have submitted all parameters, this message will appear
on the teletype:
Check the coordinate count on the control panel. The maximum permissible
count is 999999. If the count is 900000 or over, reset the counter to
000000.
Before you can use a comparator to obtain dimensional data, it must
be initialized, i.e., you must transmit fiducials to the program to
establish a coordinate system. Using the X and Y drive and the X and Y
wheels, place the crosshairs over the point marked earlier as fiducial
1. Transmit fiducial 1 to the program by pressing the FIDUCIAL button.
You will receive the comparator coordinates of fiducial 1 and this
message:
Place the crosshairs over fiducial 2. Transmit fiducial 2 to the program
by pressing the FIDUCIAL button. You will receive the comparator
coordinates of fiducial 2 and this message:
Place the crosshairs over fiducial 3. Transmit fiducial 3 to the pro-
gram by pressing the FIDUCIAL button. You will receive the comparator
coordinates of fiducial 3 on the teletype. The direction of flight azimuth
and the inertial azimuth will also be printed on the teletype. If they do
not agree within a few degrees, there is an error in one of the parameters
which was input from the teletype. You should locate the error and deter-
mine whether to continue or to start the program again. You will also re-
ceive this message:
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TRANSMITTING POINTS
FOR CALCULATIONS
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You are now ready to transmit points to be used for calculations by
the Real-Time Mensuration Program. However, if you want the program to pro-
duce a plot, you must first initialize the plotter. (See CHAPTER II, INITIAL-
IZING A PLOTTER section.) Then follow the instructions given below for trans-
mitting points for calculations.
1. Turn the first rotary switch to the desired setting.
2. Release any output function buttons that may have been
pressed.
3. Press the appropriate output function buttons for the
calculations you want.
4. Position the comparator crosshairs over each point you
want to transmit. Transmit each of these points to the
program by pressing the appropriate transmission button.
Mensural calculations will be printed on the teletype. If you have
elected,to have the program produce a plot, you will also receive that on
the lI plotter.
TERMINATING FRAME
OPERATIONS
After all measurements have been calculated, operations for the frame
being processed must be terminated by pressing the FIDUCIAL button. Place
the comparator crosshairs over fiducial 1. Press the FIDUCIAL button to be-
gin the termination of frame operations. You will then receive this message
on the teletype:
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Measurements can continue to be calculated until you press the FIDUCIAL but-
ton twice in succession. When you press the FIDUCIAL button a second time,
you will receive this message:
FRAME OPERATIONS TERMINATED DATE TIME
POINTING COUNT = XX FILM DRIFT = XX.XX MICRONS
The pointing count is the total number of points transmitted including fidu-
cials. Film drift is the distance the film has moved at fiducial 1 from the
time the fiducials were first transmitted until frame operations were ter-
minated. Extensive film drift may result in inaccurate mensural calculations.
SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD FILM
PROJECT NUMBER
XXXXXX
920022
EMULSION
ZZ
DN
FOCAL LENGTH
XXXX.XXX
0600.000
VEH PITCH
SXX-XX
+09-09
VEH ROLL
SXX-XX
-08-00
VEH YAW
SXX-XX
+00-55
ORDER
ZZZ
YPR
NADIR-LAT
XX-XX.XXZ
09-09.09N
NADIR-LONG
XXX-XX.XXZ
009-09.09E
CTR FORMAT
LAT
XX-XX.XXZ
11-11.11N
CTR FORMAT
LONG
XXX-XX.XXZ
111-11.11W
IN VELOCITY
XXXXX
25000
GT VELOCITY
XXXXX
23000
IN AZIMUTH
XXX-XX
009-09
GT AZIMUTH
XXX-XX
008-08
EL-SUN
XX-XX
23-00
SUN-AZ
XXX-XX
224-98
ALTITUDE
XXXXXX
025000
SCAN RATE
SXX.XXX
+06.099
IMC CONSTANT
SXXXX.XXXX
+0123.0090
IMC TYPE
Z
T
1ST FID X
SXXX.XXX
+000.000
1ST FID Y
SXXX.XXX
+000.000
2ND FID X
SXXX.XXX
+111.111
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2ND FID Y SXXX.XXX +111.000
3RD FID X SXXX.XXX -090.000
3RD FID Y SXXX.XXX -088.000
ELEVATION SXXXXX +00900
ELLIPSOID ZZZ MCD
PLOT DIST XX.X 20.0
X FID=+ 0
Y FID=+ 0
X FID=+ 111111
Y FID=+ 111000
X FID=- 90000
Y FID=- 88000
DOF AZIM= 205.352 DEG
IN AZIM= 202.388 DEG
VIEWER INITIALIZED
AZIMUTH= 92.33 DEG
FIRST TERMINAL FID RECEIVED
FRAME OPERATIONS TERMINATED JAN. 10,73 1559
POINTING COUNT= 6 FILM DRIFT= 0.00 MICRONS
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OBTAINING
PARAMETERS
Refer to this section under PAN OPTION. All the parameters needed to
use the SPAN option will be found in the parameter table. However, those
parameters listed in the table that fall between "Emulsion" and "Elevation"
must be obtained for both frames.
CHOOSING
ELLIPSOIDS
MARKING
FIDUCIALS
Refer to this section under PAN OPTION. The procedures for marking fi-
ducials for the SPAN option are the same except that you must mark fiducials
for both frames.
INITIALIZING
A TELETYPE
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SUBMITTING
PARAMETERS
Refer to this section under PAN OPTION. The procedures for submitting
parameters for the SPAN option are the same with the following exception.
When using this option, the program will request some of the parameters
twice. The first request will be for all the parameters for the left frame
and the second will be for the right frame.
INITIALIZING
A COMPARATOR
Refer to this section under PAN OPTION. The procedures for initializ-
ing a comparator for the SPAN option are the same with the following excep-
tion. You must transmit fiducials for both frames. Transmit the fiducials
for the left frame first.
RELATIVE
ORIENTATION
The relative orientation (R/O) of the frames you are viewing with re-
spect to each other should result in more accurate measurements. To calcu-
late the relative orientation you must transmit from 6 to 20 corresponding
points (R/O points) on each frame simultaneously. These points must be as
close as possible to the same ground elevation. Before transmitting the
R/O points you must press the R/O output function button. The program is
now ready to receive the R/O points.
Transmitting
R/O points
Move the crosshairs over the first R/O point to be transmitted. Send
this point as an initial point. You will receive this message:
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Except for the last R/O point all R/O points must be sent as initial points.
Each time you send an R/O point as an initial point, you will receive this
message:
Send the last R/O point as a terminal point. At this time an additional
pitch, roll, and yaw will be calculated and printed on the teletype along
with the following message:
PITCH = -OD 1M 20.9S
YAW = -OD 10M 22.9S
ROLL = +OD 5M 21.9S
Release the R/O button.
If you choose, you may have the coordinates of the R/O points printed
on the teletype. To do this press the CMC ECHO button before you transmit
the R/O points. Every time you send an R/O point as an initial point, you
will receive this message:
CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
When you transmit the terminal R/O point, you will receive this message:
PITCH = -OD 1M 20.9S
YAW = -OD 10M 22.9S
ROLL = +OD 5M 21.9S
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CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
Should you make an error while transmitting the R/O points, you can cor-
rect it by deleting the erroneous transmission. For example, if you send an
incorrect R/O point as an initial point, you can delete that transmission by
sending an intermediate point. You will receive this message:
If you have transmitted several erroneous initial points, send the same num-
ber of intermediate points, and when the last intermediate point is received,
you will receive this message:
After you have transmitted the R/O points and received the additional
pitch, roll, and yaw, you are ready to transmit points for mensural calcula-
tions as described in the following section. However, if you find that the
additional pitch, roll, and yaw do not result in more accurate calculations,
you can nullify the relative orientation or recalculate it.
Nullifying The
Relative Orientation
To nullify the relative orientation, release the R/O button and press
the SET R/O TO IDENTITY button. Transmit a point for mensural calculations.
You will receive the mensural output requested and this message:
You are ready to continue transmitting points for mensural calculations with-
out the additional pitch, roll, and yaw.
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Recalculating The
Relative Orientation
To recalculate the relative orientation, first nullify it, and then re-
calculate the relative orientation according to the procedures described
on the previous pages.
TRANSMITTING POINTS
FOR CALCULATIONS
SWITCHING FROM A STEREO
OPTION TO A MONO OPTION
When you are using a stereo comparator, you can switch to a monoscopic
option for either the left or right stage and back to stereo without reini-
tializing the comparator by turning the second rotary switch in the first
row of rotary switches to the setting which corresponds to the option you
want. The second rotary switch settings and the options are:
Second Rotary
Switch Setting Option
9F Stereo
1 Mono - left stage
2 Mono - right stage
You must also turn the first rotary switch which indicates the output func-
tions you will use to the desired setting. There are different settinqs for
stereoscopic and monoscopic options. (See CHAPTER II, USING THE OUTPUT FUNC-
TION BUTTONS section.)
When switching from one option to another, the first point transmitted
after turning the first and second rotary switches to the desired settings
must be an initial point. After sending an initial point, you will receive
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one of the following messages which indicates which option has been select-
ed prior to any printed output:
BOTH FRAMES - STEREO
RIGHT FRAME
LEFT FRAME
If the first point transmitted is other than an initial point, you will re-
ceive the following message:
ILLEGAL POINT SEQUENCE
If you receive this message, transmit the next point as an initial point.
TERMINATING FRAME
OPERATIONS
SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD FILM
PROJECT NUMBER
XXXXXX
920022
EMULSION
zz
DN
FOCAL LENGTH
XXXX.XXX
0600.000
VEH PITCH
SXX-XX
+09-09
VEH ROLL
SXX-XX
-08-08
VEH YAW
SXX-XX
+00-55
ORDER
zzz
YPR
NADIR-LAT
XX-XX.XXZ
09-09.09N
NADIR-LONG
XXX-XX.XXZ
009-09.09E
CTR FORMAT LAT
XX-XX.XXZ
11-11.11N
CTR FORMAT LONG
XXX-XX.XXZ
111-11.11W
IN VELOCITY
XXXXX
25000
GT VELOCITY
XXXXX
23000
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IN AZIMUTH
GT AZIMUTH
EL-SUN
SUN-AZ
ALTITUDE
SCAN RATE
IMC CONSTANT
IMC TYPE
1ST FID X
1ST FID Y
2ND FID X
2ND FID Y
3RD FID X
3RD FID Y
FOCAL LENGTH
VEH PITCH
VEH ROLL
VEH YAW
ORDER
NADIR-LAT
NADIR-LONG
CTR FORMAT LAT
CTR FORMAT LONG
IN VELOCITY
GT VELOCITY
IN AZIMUTH
GT AZIMUTH
EL-SUN
SUN-AZ
ALTITUDE
SCAN RATE
IMC CONSTANT
IMC TYPE
1ST FID X
1ST FID Y
2ND FID X
2ND FID Y
3RD FID X
3RD FID Y
ELEVATION
ELLIPSOID
PLOT DIST
xxx-xx
XXX-XX
xx-xx
xxx-xx
xxxxxx
SXX. xxx
SXXXX.XXXX
Z
SXXX.XXX
SXXX.XXX
SXXX.XXX
SXXX.XXX
SXXX.XXX
SXXX.XXX
XXXX.XXX
SXX-XX
SXX-XX
SXX-XX
ZZZ
XX-XX.XXZ
XXX-XX.XXZ
XX-XX.XXZ
XXX-XX.XXZ
xxxxx
xxxxx
xxx-xx
xxx-xx
xx-xx
xxx-xx
xxxxxx
SXX.XXX
SXXXX.XXXX
Z
SXXX.XXX
SXXX.XXX
SXXX.XXX
SXXX.XXX
SXXX.XXX
SXXX.XXX
SXXXXX
ZZZ
XX.X
009-09
008-08
23-00
224-98
025000
+06.099
+0123.0090
T
+000.000
+000.000
+111.111
+111.000
-090.000
-088.000
0602.000
+10-10
-09-00
+00-56
YPR
10-10.1ON
010-10.10E
12-12.12N
112-11.11W
24000
25000
010-10
009-09
24-00
225-99
026000
+07.099
+0124.0089
T
+111.111
+111.111
+000.000
+000.000
-089.000
-090.000
+00900
MCD
20.0
X FID=+ 0
Y FID=+ 0
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X FID=+ 111111
Y FID=+ 111000
X FID=- 90000
Y FID=- 88000
X FID=+ 111111
Y FID=+ 111111
X FID=+ 0
Y FID=+ 0
X FID=- 89000
Y FID=- '90000
DOF AZIM= 205.352 DEG
IN AZIM= 202.388 DEG
DOF AZIM= 205.448 DEG
IN AZIM= 202.992 DEG
VIEWER INITIALIZED
BOTH FRAMES STEREO
SEND NEXT POINT
CMCX = 11122.2 MICRONS = 111211 COUNTS
CMCY = 11111.1 MICRONS = 111112 COUNTS
CMCX = 11133.2 MICRONS = 111333 COUNTS
CMCY = 11444.1 MICRONS = 114443 COUNTS
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CMCX = 22211.1 MICRONS = 222112 COUNTS
CMCY = 11110.0 MICRONS = 111111 COUNTS
CMCX = 33112.2 MICRONS = 332221 COUNTS
CMCY = 11122.3 MICRONS = 111224 COUNTS
CMCX = 44422.1 MICRONS = 444222 COUNTS
CMCY = 44433.2 MICRONS = 444331 COUNTS
CMCX = 33322.1 MICRONS = 333211 COUNTS
CMCY = 33333.2 MICRONS = 333333 COUNTS
CMCX = 55544.3 MICRONS = 555442 COUNTS
CMCY = 55443.2 MICRONS = 554431 COUNTS
CMCX = 55432.1 MICRONS = 554322 COUNTS
CMCY = 54433.3 MICRONS = 544332 COUNTS
CMCX = 66665.4 MICRONS = 666653 COUNTS
CMCY = 66655.3 MICRONS = 666552 COUNTS
CMCX = 66644.4 MICRONS = 666443 COUNTS
CMCY = 66554.3 MICRONS = 665542 COUNTS
PITCH = -OD 1M 20.9S
YAW = -OD 10M 22.9S
ROLL = +OD 5M 21.9S
CMCX = 77665.5 MICRONS = 776654 COUNTS
CMCY = 77655.4 MICRONS = 776553 COUNTS
CMCX = 77754.3 MICRONS = 777542 COUNTS
CMCY = 77644.2 MICRONS = 776441 COUNTS
LAT = 34D 39M 28.8S N
LONG = 86D 40M 25.6S W
HEIGHT = 1699.7326 FT
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LAT = 34D 39M 28.1S N
LONG = 86D 40M 21.OS W
GROUNDX = 89552.7 FT = 27295.7 METERS
GROUNDY = 68158.8 FT = -20774.8 METERS
GROUNDZ = 454704.9 FT = -141642.3 METERS
LAT = 34D 39M 30.4S N
LONG = 86D 40M 33.9S W
FIRST TERMINAL FID RECEIVED
FRAME OPERATIONS TERMINATED JAN. 10,73 1332+
POINTING COUNT= 18
DRIFT1= 0.00 MICRONS DRIFT2= 0.05 MICRONS
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Using the Real-Time Mensuration Program to process photography from any
frame camera system involves these steps in the order listed.
STEP 1 obtaining parameters
STEP 2 choosing ellipsoids
STEP 3 marking fiducials
STEP 4 initializing a teletype
STEP 5 submitting parameters
STEP 6 initializing a comparator
STEP 7 transmitting points for calculations
STEP 8 terminating frame operations
There are two options under which FRAME photography may be processed.
They are:
Monoscopic Option
FRAME frame of photography derived from any
frame camera system
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Stereoscopic option
SFRAME two frames of photography derived from
any frame camera system
When using the SFRAME option, two additional steps are available. They
* transmitting relative orientation (R/O) points
to calculate the relative orientation of the
two frames of photography
* switching to the FRAME option for either the left
or right stage
Both of these steps are optional.
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OBTAINING
PARAMETERS
You will be responsible for obtaining all parameters needed for each
use of the program. Parameters will identify the film you are processing,
and they will be transmitted via an on-line teletype. If you want the pro-
gram to produce a plot, you will also need a parameter for plot distance.
The use of this capability is optional.
Before you use the program, assemble all required parameters. These
parameters and some of their sources are listed in Table 28. Because of
the wide range of photography that can be used with this option, all sources
do not appear in the table. You must determine the best source where no
source is provided.
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Table 28. Parameters Needed for FRAME Option
System name; FRAME This manual
Project number; assigned by NPIC; Current MIS active project listing
6 digits & alpha suffix if appli-
cable
Emulsion; up or do
Focal length; millimeters
Vehicle pitch; attitude relative to
ground track; degrees & minutes
Vehicle roll; attitude relative to
ground track; degrees & minutes
Vehicle yaw; attitude relative to
ground track; degrees & minutes
Order (order of rotation from
image space to object space);
Y=yaw, P=pitch, R=roll; enter
correct letter combination
Nadir latitude; angular measure-
ment; degrees, minutes & di-
rection
Nadir longitude; angular measure-
ment; degrees, minutes & di-
rection
Ground track azimuth; angular
measurement; degrees & min-
utes
Inertial azimuth; degrees & min-
utes
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Table 28. Parameters Needed for FRAME Option (Continued)
Sun elevation; degrees & minutes
Solar azimuth; degrees & minutes
Altitude (above mean sea level);
feet
First fiducial x; x coordinate of
first grid intersection; milli-
meters
First fiducial y; y coordinate of
first grid intersection; milli-
meters
Second fiducial x; x coordinate of
second grid intersection; milli-
meters
Second fiducial y; y coordinate of
second grid intersection; milli-
meters
Third fiducial x; x coordinate of
third grid intersection; milli-
meters
Third fiducial y; y coordinate of
third grid intersection; milli-
meters
Elevation (of target area); posi-
tive if above sea level; feet
Ellipsoid; earth ellipsoid which
best fits the target area
Plot distance; optional; distance
in inches on plotter; for plot-
ter initialization, used with
image limits to determine scale
You measure & record
You measure & record
You measure & record
You measure & record
You measure & record
You measure & record
Maps & research material
To meet your specifications
To meet your specifications
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CHOOSING
ELLIPSOIDS
When evaluating film you will indicate the earth ellipsoid which best
fits the target area. Choose the best fitting ellipsoid out of the six pre-
sently available and enter the mnemonic for that ellipsoid as a parameter.
The six ellipsoids, their mnemonics, and their measurements including the
eccentricity squared (E2) of each ellipsoid are given below.
0
Ellipsoid
Mnemonic
Measurement
Mission Correlation Data or
MCD
Semi-major axis---
6378177.8 m.
Mission Performance Report
Semi-minor axis---
6356796.05 m.
E2 ---------------
.006693422
Krassovsky
Semi-major axis---
6378245.0 in.
Semi-minor axis---
6356863.0188 m.
E2 ---------------
.006693422
International
Semi-major axis---
6378388.0 m.
Semi-minor axis---
6356911.9961 m.
E2 ---------------
.006722670
Clarke 1866
Semi-major axis---
6378206.4 m.
Semi-minor axis---
6356583.8 m.
E2 ---------------
.006768658
Bessel
Semi-major axis---
6377397.155 in.
Semi-minor axis---
6356078.9628 m.
E2 ---------------
.006674372
Army Map Service
Semi-major axis---
6378270.0 in.
Semi-minor axis---
6356794.3434 in.
E2 ---------------
.006722670
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MARKING
FIDUCIALS
One method of marking fiducials is presented here; other methods,
which are equally good, can also be used. Mount the film positive,
emulsion side up, on a light table. Place a Universal Grid Number 2 over
or under the film so that
* the X = 46 and Y = 12 grid intersection is
aligned with the principal point of the
film
* the grid lines are parallel to the format
edges of the film
* the positive Y axis is in the direction
of flight
With a pinpoint or by some other method, mark three points on the film at
non-collinear grid intersections. Two to four inches between points is
sufficient. These three points will be fiducials 1, 2, and 3, respectively.
Next,
* multiply each grid coordinate by
ten to convert it from centimeters
to millimeters
The resultant values will be used as parameters. (See Table 28.)
INITIALIZING
A TELETYPE
Before you can measure using the Real-Time Mensuration Program, the
teletype must be initialized, that is, you must indicate to the program
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the type of photography to be processed. To initialize a teletype follow
these instructions in the order given.
Press & release ALT MODE key
Press CTRL + U keys (simultaneously)
Type INIT
Press RETURN key
You will then receive this message on the teletype:
Type FRAME
Press RETURN key
You will then receive this message:
LOAD FILM
Load the film positive on the comparator. Procedures for mounting film on
a comparator will depend on which comparator you use. These procedures can
be found in CHAPTER II, THE EQUIPMENT.
SUBMITTING
PARAMETERS
You will now receive a series of messages requesting parameters. Each
message will consist of a request for a specific parameter and the format
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of that parameter. Characters used in the formats are these:
X = number
Z = letter
S = plus or minus sign
= dash
= decimal point
As you receive each message, type the requested parameter in the correct
format and then press the RETURN key. You must press the RETURN key after
you enter each parameter. For example, when you receive this message
complete the message by typing the correct project number.
PROJECT NUMBER XXXXXX 920022
Then press the RETURN key.
The program provides you with three methods for correcting errors. If
you make an error(s) while submitting parameters, follow the appropriate
set of instructions.
Correcting Characters
If the last character you typed was erroneous, you can correct it by
using the upper case symbol on the N key (T). Press the SHIFT key and the
N key simultaneously. Pressing these keys will produce an arrow and delete
the preceding character from the transmission. Then type the correct
character. The incorrect character will remain on the printed page. For
example:
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You can delete up to five consecutive characters. If you have more than
one character to correct, press the SHIFT key and the N key to delete
each one. Then type the correct characters.
Correcting Lines
If you have made an error in the preceding line, you can delete that
line. Simply type DELET and then press the RETURN key. The preceding
line, i.e., the parameter and-its format, will be reprinted. Type the
correct parameter and then press the RETURN key. For example,
ENTER SYSTEM NAME
FRAME
LOAD FILM
PROJECT NUMBER
XXXXXX
920032
EMULSION
ZZ
DELET
RETURN key
PROJECT NUMBER
XXXXXX
920022
RETURN key
EMULSION
ZZ
You may delete as many lines as you wish. If you have more than one
line to delete, type DELET and then press the RETURN key for each line.
Each time you do this, the program will back up the parameter list one
line. After you have deleted the last erroneous line and that parameter
and its format have been reprinted, resume typing parameters. For
example,
ENTER SYSTEM NAME
FRAME
LOAD FILM
PROJECT NUMBER
XXXXXX
920032
EMULSION
ZZ
DN
FOCAL LENGTH
XXXX.XXX
DELET
RETURN
key
EMULSION
ZZ
DELET
RETURN
key
PROJECT NUMBER
XXXXXX
920022
RETURN
key
EMULSION
ZZ
Except for the first parameter, i.e., the system name, all parameters may
be deleted using this method.
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Correcting An Entire
Parameter List
If you find that you have made several errors, you can delete the
entire parameter list and begin again. To do this, type INIT and then
press the RETURN key. The teletype will reprint ENTER SYSTEM NAME. Simply
type the parameters again.
Terminating Frame
Operations
At any time while you are submitting parameters, you may terminate
frame operations. If you decide not to continue processing for any reason,
simply type TERM and then press the RETURN key. The teletype will print
TERM.
INITIALIZING
A COMPARATOR
After you have submitted all parameters, this message will appear on
the teletype:
Check the coordinate count on the control panel. The maximum permissible
count is 999999. If the count is 90PROW or over, reset the counter to
0,099019.
Before you can use a comparator to obtain dimensional data, it must be
initialized, i.e., you must transmit fiducials to the program to establish
a coordinate system. Using the X and Y drive and the X and Y wheels, place
the crosshairs over the point marked earlier as fiducial 1. Transmit
fiducial 1 to the program by pressing the FIDUCIAL button. You will receive
the comparator coordinates of fiducial 1 and this message:
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Place the crosshairs over fiducial 2. Transmit fiducial 2 to the program by
pressing the FIDUCIAL button. You will receive the comparator coordinates
of fiducial 2 and this message:
Place the crosshairs over fiducial 3. Transmit fiducial 3 to the program by
pressing the FIDUCIAL button. You will receive the comparator coordinates
of fiducial 3. The direction of flight azimuth and the inertial azimuth
will also be printed on the teletype. If they do not agree within a few
degrees, there is an error in one of the parameters which was input from the
teletype. You should locate the error and determine whether to continue or
to start the program again. You will also receive this message:
TRANSMITTING POINTS
FOR CALCULATIONS
You are now ready to transmit points to be used for calculations by
the Real-Time Mensuration Program. However, if you want the program to pro-
duce a plot, you must first initialize the plotter. (See CHAPTER II, INITIAL-
IZING A PLOTTER section.) Then follow the instructions given below for trans-
mitting points for calculations.
1. Turn the first rotary switch to the desired setting.
2. Release any output function buttons that may have been
pressed.
3. Press the appropriate output function buttons for the
calculations you want.
4. Position the comparator crosshairs over each point you
want to transmit. Transmit each of these points to the
program by pressing the appropriate transmission button.
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Mensural calculations will be printed on the teletype. If you have
elected to have the program produce a plot, you will also receive that on
the lI plotter.
TERMINATING FRAME
OPERATIONS
After all measurements have been calculated, operations for the frame
being processed must be terminated by pressing the FIDUCIAL button. Place
the comparator crosshairs over fiducial 1. Press the FIDUCIAL button to
begin the termination of frame operations. You will then receive this
message on the teletype:
Measurements can continue to be calculated until you press the FIDUCIAL
button twice in succession. When you press the FIDUCIAL button a second
time, you will receive this message:
FRAME OPERATIONS TERMINATED DATE TIME
POINTING COUNT = XX FILM DRIFT = XX.XX MICRONS
The pointing count is the total number of points transmitted including
fiducials. Film drift is the distance the film has moved at fiducial 1
from the time the
fiducials were first transmitted until fram
e operations
were terminated.
calculations.
Extensive film drift may result in inaccura
te mensural
SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD FILM
FRAME
PROJECT NUMBER
EMULSION
XXXXXX
ZZ
920022
DN
FOCAL LENGTH
XXXX.XXX
0600.090
VEH PITCH
SXX-XX
+00-56
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VEH ROLL
SXX-XX
-12-09
VEH YAW
SXX-XX
-09-00
ORDER
ZZZ
YRP
NADIR-LAT
XX-XX.XXZ
12-09.77S
NADIR-LONG
XXX-XX.XXZ
123-23.99W
GT AZIMUTH
xxx-xx
123-09
IN AZIMUTH
XXX-XX
010-10
EL-SUN
xx-xx
09-09
SUN-AZ
xxx-xx
111-11
ALTITUDE
xxxxxxx
0700000
1ST FID X
SXXX.XXX
+000.000
1ST FID Y
SXXX.XXX
+000.000
2ND FID X
SXXX.XXX
+090.000
2ND FID Y
SXXX.XXX
-090.000
3RD FID X
SXXX.XXX
+000.000
3RD FID Y
SXXX.XXX
-090.000
ELEVATION
SXXXXX
+01000
ELLIPSOID
ZZZ
MCD
PLOT DIST
XX.X
21.0
X FID=+ 0
Y FID=+ 0
X FID=+ 90090
Y FID=- 90000
X FID=+ 0
Y FID=- 90000
LAT= 12D 29M 30.8S S
LONG= 123D 39M 32.4S W
FIRST TERMINAL FID RECEIVED
FRAME OPERATIONS TERMINATED JAN. 10,73 1559
POINTING COUNT= 5 FILM DRIFT= 6.00 MICRONS
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OBTAINING
PARAMETERS
Refer to this section under FRAME OPTION. All the parameters needed to
use the SFRAME option will be found in the parameter table. However, those
parameters listed in the table that fall between "Emulsion" and "Elevation"
must be obtained for both frames.
CHOOSING
ELLIPSOIDS
MARKING
FIDUCIALS
Refer to this section under FRAME OPTION. The procedures for marking fi-
ducials for the SFRAME option are the same except that you must mark fiducials
for both frames.
INITIALIZING
A TELETYPE
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SUBMITTING
PARAMETERS
Refer to this section under FRAME OPTION. The procedures for submitting
parameters for the SFRAME option are the same with the following exception.
When using this option, the program will request some of the parameters
twice. The first request will be for all the parameters for the left frame
and the second will be for the right frame.
INITIALIZING
A COMPARATOR
Refer to this section under FRAME OPTION. The procedures for initializ-
ing a comparator for the SFRAME option are the same with the following excep-
tion. You must transmit fiducials for both frames. Transmit the fiducials
for the left frame first.
RELATIVE
ORIENTATION
The relative orientation (R/O) of the frames you are viewing with re-
spect to each other should result in more accurate measurements. To calcu-
late the relative orientation you must transmit from 6 to 20 corresponding
points (R/O points) on each frame simultaneously. These points must be as
close as possible to the same ground elevation. Before transmitting the
R/O points you must press the R/O output function button. The program is
now ready to receive the R/O points.
Transmitting
R/O Points
Move the crosshairs over the first R/O point to be transmitted. Send
this point as an initial point. You will receive this message:
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Except for the last R/O point all R/O points must be sent as initial points.
Each time you send an R/O point as an initial point, you will receive this
message:
Send the last R/O point as a terminal point. At this time an additional
pitch, roll, and yaw will be calculated and printed on the teletype along
with the following message:
PITCH = -OD 1M 20.9S
YAW = -OD 10M 22.9S
ROLL = +OD 5M 21.95
If you choose, you may have the coordinates of the R/O points printed on
is the teletype. To do this press the CMC ECHO button before you transmit the R/O
points. Every time you send an R/O point as an initial point, you will re-
ceive this message:
CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
When you transmit the terminal R/O point, you will receive this message:
PITCH = -OD'lM 20.9S
YAW = -OD 10M 22.9S
ROLL = +OD 5M 21.9S
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CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
CMCX = XXXXX.X MICRONS = XXXXXX COUNTS
CMCY = XXXXX.X MICRONS = XXXXXX COUNTS
Should you make an error while transmitting the R/O points, you can cor-
rect it by deleting the erroneous transmission. For example, if you send an
incorrect R/O point as an initial point, you can delete that transmission by
sending an intermediate point. You will receive this message:
If you have transmitted several erroneous initial points, send the same num-
ber of intermediate points, and when the last intermediate point is received,
you will receive this message:
After you have transmitted the R/O points and received the additional
pitch, roll, and yaw, you are ready to transmit points for mensural calcula-
tions as described in the following section. However, if you find that the
additional pitch, roll, and yaw do not result in more accurate calculations,
you can nullify the relative orientation or recalculate it.
Nullifying The
Relative Orientation
To nullify the relative orientation, release the R/O button and press
the SET R/O TO IDENTITY button. Transmit a point for mensural calculations.
You will receive the mensural output requested and this message:
R/O SET TO IDENTITY MATRIX
You are ready to continue transmitting points for mensural calculations with-
out the additional pitch, roll, and yaw.
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Recalculating The
Relative Orientation
To recalculate the relative orientation, first nullify it, and then re-
calculate the relative orientation according to the procedures described
on the previous pages.
TRANSMITTING POINTS
FOR CALCULATIONS
SWITCHING FROM A STEREO
OPTION TO A MONO OPTION
? When you are using a stereo comparator, you can switch to a monoscopic
option for either the left or right stage and back to stereo without reini-
tializing the comparator by turning the second rotary switch in the first
row of rotary switches to the setting which corresponds to the option you
want. The second rotary switch settings and the options are:
Second Rotary
Switch Setting Option
Stereo
1 Mono - left stage
2 Mono - right stage
You must also turn the first rotary switch which indicates the output func-
tions you will use to the desired setting. There are different settings for
stereoscopic and monoscopic options. (See CHAPTER II, USING THE OUTPUT FUNC-
TION BUTTONS section.)
When switching from one option to another, the first point transmitted
after turning the first and second rotary switches to the desired settings
must be an initial point. After sending an initial point, you will receive
one of the following messages which indicates which option has been selected
prior to any printed output:
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BOTH FRAMES - STEREO
RIGHT FRAME
LEFT FRAME
If the first point transmitted is other than an initial point, you will re-
ceive the following message:
If you receive this message, transmit the next point as an initial point.
TERMINATING FRAME
OPERATIONS
Refer to this section under FRAME OPTION.
SAMPLE TELETYPE
OUTPUT
ENTER SYSTEM NAME
LOAD FILM
PROJECT NUMBER
XXXXXX
920022
EMULSION
ZZ
DN
FOCAL LENGTH
XXXX.XXX
0600.090
VEH PITCH
SXX-XX
+00-56
VEH ROLL
SXX-XX
-12-09
VEH YAW
SXX-XX
-09-00
ORDER
ZZZ
YRP
NADIR-LAT
XX-XX.XXZ
12-09.775
NADIR-LONG
XXX-XX.XXZ
123-23.99W
GT AZIMUTH
XXX-XX
123-09
IN AZIMUTH
XXX-XX
010-10
EL-SUN
XX-XX
09-09
SUN-AZ
XXX-XX
111-11
ALTITUDE
XXXXXXX
0700000
1ST FID X
SXXX.XXX
+000.000
1ST FID Y
SXXX.XXX
+000.000
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2ND FID X
2ND FID Y
3RD FID X
3RD FID Y
FOCAL LENGTH
VEH PITCH
VEH ROLL
VEH YAW
ORDER
NADIR-LAT
NADIR-LONG
GT AZIMUTH
IN AZIMUTH
EL-SUN
SUN-AZ
ALTITUDE
1ST FID X
1ST FID Y
2ND FID X
2ND FID Y
3RD FID X
3RD FID Y
ELEVATION
ELLIPSOID
PLOT DIST
SXXX.XXX
SXXX.XXX
SXXX.XXX
SXXX.XXX
XXXX.XXX
SXX-XX
SXX-XX
SXX-XX
ZZZ
XX-XX.XXZ
XXX-XX.XXZ
XXX-XX
XXX-XX
XX-XX
xxx-xx
XXXXXXX
SXXX.XXX
SXXX.XXX
SXXX.XXX
SXXX.XXX
SXXX.XXX
SXXX. XXX
SXXXXX
ZZZ
XX.X
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+090.000
-090.000
+000.000
-090.000
0600.050
+00-55
-12-09
-09-00
YRP
10-00.75S
120-20.OOW
009-00
010-10
10-10
110-10
0700000
+000.000
+000.000
+090.000
-090.000
+000.000
-090.000
+01000
MCD
21.0
X FID=+ 0
Y FID=+ 0
X FID=+ 90090
Y FID=- 90000
X FID=+ 0
Y FID=- 90000
BEGIN RIGHT FRAME
SEND NEXT FID
X FID=+ 0
Y FID=+ 0
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X FID=+ 90090
Y FID=- 90000
X FID=+ 0
Y FID=- 90000
DOF AZIM= 205.448 DEG
IN AZIM= 202.992 DEG
DOF AZIM= 205.352 DEG
IN AZIM= 202.388 DEG
VIEWER INITIALIZED
BOTH FRAMES STEREO
SEND NEXT POINT
CMCX = 11122.2 MICRONS = 111211 COUNTS
CMCY =
11111.1 MICRONS =
111112
COUNTS
CMCX =
11133.2 MICRONS =
111333
COUNTS
CMCY =
11444.1 MICRONS =
114443
COUNTS
CMCX =
22211.1 MICRONS =
222112
COUNTS
CMCY =
11110.0 MICRONS =
111111
COUNTS
CMCX =
33112.2 MICRONS =
332221
COUNTS
CMCY =
11122.3 MICRONS =
111224
COUNTS
CMCX =
44422.1 MICRONS =
444222 COUNTS
CMCY =
44433.2 MICRONS =
444331 COUNTS
CMCX =
33322.1 MICRONS =
333211 COUNTS
CMCY =
33333.2 MICRONS =
333333 COUNTS
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0
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1 1 1 TOP SECRET 25X
?
CMCX =
55544.3 MICRONS =
555442
COUNTS
CMCY =
55443.2 MICRONS =
554431
COUNTS
CMCX =
55432.1 MICRONS =
554322
COUNTS
CMCY =
54433.3 MICRONS =
544332
COUNTS
SEND NEXT POINT
CMCX =
66665.4 MICRONS =
666653
COUNTS
CMCY =
66655.3 MICRONS =
666552
COUNTS
CMCX =
66644.4 MICRONS =
666443
COUNTS
CMCX =
66554.3 MICRONS =
665542
COUNTS
PITCH = -OD 1M 20.9S
YAW = -OD 10M 22.9S
ROLL = +OD 5M 21.9S
CMCX = 77665.5 MICRONS = 776654 COUNTS
CMCY = 77655.4 MICRONS = 776553 COUNTS
CMCX = 77754.3 MICRONS = 777542 COUNTS
CMCY = 77644.2 MICRONS = 776441 COUNTS
? LAT = 34D 39M 28.8S N
LONG = 86D 40M 25.6S W
HEIGHT = 1699.7326 FT
LAT = 34D 39M 28.1S N
LONG = 86D 40M 21.OS W
GROUNDX = 89552.7 FT = 27295.7 METERS
GROUNDY = 68158.8 FT = -20774.8 METERS
GROUNDZ = 454704.9 FT = -141642.3 METERS
LAT = 34D 39M 30.45 N
LONG = 86D 40M 33.9S W
FIRST TERMINAL FID RECEIVED
FRAME OPERATIONS TERMINATED JAN. 10,73 1332+
POINTING COUNT= 18
DRIFT1= 0.00 MICRONS DRIFT2= 0.005 MICRONS
?
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 0
Building A length of sides; area; plot
?
Runway length; azimuth; plot
Building C relief height; width; length; plot
Railroad azimuth (as it goes off the top of
the frame)
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TOP SECRET
CHAPTER IX. TRANSMITTING SAMPLE POINTS FOR CALCULATIONS
Given a sample frame and the facilities that appear on that frame
(Figure 25), assume that the required calculations for the sample are
these:
Building B geodetic coordinates; distance of
three points from Building B;
plot
north arrow for plot
?
In Figure 25, the points are numbered in the order in which they may
be transmitted for this sample. In addition, they are given alphabetic
designators which denote the type of point to be transmitted. The
designators used are I for initial, N for intermediate, T for terminal,
and M for multiple. Instructions for transmitting the points to be used
for calculations are given in Table 29.
TOP SECRET
 N5 N7 N8
0
m
m
-- I
FIGURE 25. FACILITIES AND SAMPLE POINTS FOR CALCULATIONS. This figure is keyed to Table 29.
 ?
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Required
Calculation
Bldg A
plot
Table 29. Instructions for. Transmitting Sample Points for Calculations
(This table is keyed to Figure 25)
Output Function Buttons PEat To Transmit
Press PLGITER INITIALIZATION, Transmit I1 as plotter origin
CMC ECHO, POINT LABEL, F;
CIIARACIER SEQUENCE:
Transmit 12 as 1 outer limit of
plot
Transmit 13 as other limit of
plot
Bldg A
length of sides
area
Release PLOTTER INITIALIZATION; Transmit corner of Bldg A as
press AREA, LIP ' PLOT, 8 14
DISTANCi
Transmit next corner as N5
Transmit next corner as N6
Transmit next corner as 'N1'7
Transmit next corner as ':8
Transmit last corner as T9
CTICX = 190000.00 MICRONS = 190000 COUNTS
MCY = 230326.00 MICRONS = 220326 COUNTS
ORIGIN SET--SUND FIRST IMAGE LIMIT
IDENT = TO 00001
C21CX = 360110.00 MICRONS = 360110 COUNTS
C1'ICY = 311006.00 MICRONS = 311006 COUNTS
SEND LAST IMAGE LIMIT
IDENT = 00001 TO 00002
G?ICX = 70091.00 MICRONS = 70091 (DUETS
CP?!CY = 49936.00 MICRONS = 49936 COUNTS
PLOTTER. INITIALIZED
SCALE 1:3624
IDLT;T = 00002 TO 00003
CTICX = 38109.00 = 38109 COUNTS
Mn' = 301037.00 MICRONS = 301037 COUNTS
IDEI"f = 00003 TO 00004
DIST = 86.3 FT = 26.3 METERS
C'!CX = 50073.00 MICRONS = 50073 COU frS
G!CY = 321103.00 MICRONS = 321103 COUNTS
IDE,`.T = 00004 TO 00005
DIST = 105.1 FT = 32.0 METERS
(T?CX = 94935.00 MICRONS = 94935 COUNTS
C'ICY = 312022.00 MICRONS = 312022 COUNTS
IDENT = 00005 TO 00006
DIC"1' = 23.0 FT = 7.0 NIITET?S
G1.CX = 100030.00 ?'ICRO`.S = 100030 COU',TS
CITY = 329006.00 MICP(1PiS = 320006 COLT:fS
l;?L T = 00006 TO 00007
1)TST = 31.9 IT = 12.2 PETERS
(TT(?: = 119638.00 PICPONS = 119688 COUNTS
("(I' = 320205.00 MICRONS = 320205 COUNTS
IDLE' = 00007 TO 00008
015T = 109.3 FI' = 33.3 PETTERS
F.)1", = 15805 Sa) IT = 0.3628 ACRES
CT!CX = 09832.00 MICRONS = 99832 COUNTS
Q.OCY = 29001.0.00 MICRONS = 290010 COUNTS
I!:L:?T = 00008 TO 00009
01ST = 144.6 FT = 44.1 METT:RS
IDI',T = 00009 TO 00001
Bldg 1)
Geo-coordinates
Distance of 3
points from
Bldg
plot
Release AREA, Lli.T'. PLOT, DIS- Transmit center point of Bldg B
TA:X ; press GEODETIC COOPIII- as 110
NATE.;S & POINT PLOT
Release G1.:ODLTIC COORDINATE; Transmit Tll
press DISTANCE
(T''CX = 95305.00 MICRONS = 95305 COUNTS
(T'c' = 136009.00 MICRONS = 136009 COUNTS
LAT = 27D 491' 49.45
LONG = 82D 29M 9.OS l
IDEN:T = TO 00010
DIS1' = 302.5 FT = 92.0 METERS
GICX = 53621.00 MICRONS = 53621 COUNTS
(TIC'Y = 145145.00 MICRONS = 145145 COUNTS
IDI',.T = 00010 TO 00011
DLST = 263.5 Ff = 80.3 PETERS
C?PCX = 130202.00 MICRONS = 130202 COUNTS
(TICY = 200232.00 MICRONS = 200232 COUNTS
IDENT = 00010 TO 00012
rn
C'1
7O
rn
DIST = 102.4 FT = 31.2 PETERS
(DCX = 79892.00 MICRONS = 79892 COUNTS
CITY = 177097.00 MICRONS = 177097 COUNTS
IDE T = 00010 TO 00013
Runway
Release POINT PLOT; press LINE
Transmit ^514, M15, P16, F, P17 as
CT1CX = 130100.00 MICRONS =
130100
COUNTS
length
plot
PLOT
multiple points for obscured
corner
(11CY = 130862.00 MICRONS =
IDLNT = TO 00018
130862
COUNTS
Transmit same corner of runway
as 118
Transmit opposite end of runway
as T19
DIST = 4096.5 FT = 1248.6 METERS
UOCX = 330123.00 MICRONS = 330123 COUNTS
CTICY = 310066.00 MICRONS = 310066 COUNTS
IDLNT = 00018 TO 00019
DIST = 967.7 FT = 295.0 METERS
(TiCX = 175532.00 MICRONS = 175532 COUNTS
CTOCY = 65022.00 MICRONS = 65022 COUNTS
IDLNT = 00018 TO 00020
 Approved For Release 2006/03/31: CIA-RDP78TO4759AO10300010148-0
Table 29. Instructions for Transmitting Sample Points for Calculations (Continued)
Required
Calculation Output Function Buttons
Transmit corresponding top RELIEF IT = 62.3 FT
corner of Bldg C as T25 0,1CX = 180136.00 MICRONS = 180136 COUNTS
GICY = 25036.00 MICRONS = 25036 COUNTS
IDENT = 00024 TO 00025
Release RELIEF I1:IGIIT; press
DISTANCE
Runway Press AZIMUTH Transmit 121 CMCX = 171186.00 MICRONS = 171186 COUNTS
100039 COUNTS
-
S
Bldg C Release DISTANCE, AZIAJill, F, Transmit bottom corner of (2,MCX = 180100.00 MICRONS = 180100 COUNTS
relief height LINL PLOT; press PJELIEF Bldg C as 124 (TICY = 22516.00 MICRONS = 22516 COUNTS
IIG1 IT IDENT = TO 00024
Bldg C
width
Bldg C
length
Bldg C
plot
Release LINE PLO'T'; press RIELD:F Transmit 129
PLOT
Transmit EE30
Transmit "31
Transmit T32
Railroad Release RELIEF PLOT; press
azimuth (as it goes AZI IJTII
off top of frame)
Release AZIMUTII; press NORTIi Transmit 135
ARROW
Move pen head on plotter to an
area with no line or points
-
CE4CY = 100039.00 MICRON
IPENT = TO 00021
DIST = 3754.0 FT = 1144.2 METERS
AZ = 136.521 DEG
CMCX = 355518.00 MICRONS = 355518 COUNTS
QICY = 285857.00 MICRONS = 285857 COUNTS
IDENT = 00021 TO 00022
DIST = 502.3 FT = 153.1 METERS
AZ = 216.550 DEG
CYCX = 190096.00 MICRONS = 190096 COUNTS
CMCY = 78554.00 MICRONS = 78554 COUNTS
IDENT = 00021 TO 00023
DIST = 432.5 FT = 131.8 METERS
GICX = 160779.00 MICRONS = 160779 COUNTS
QQCY = 42538.00 MICRONS = 42538 COUNTS
IDENT = 00024 TO 00026
DIST = 878.9 FT = 262.9 METERS
QICX = 240392.00 MICRONS = 240392 COUNTS
(TICY = 81132.00 MICRONS = 81132 COUNTS
IDENT = 00024 TO 00027
01CX = 180100.00 MICRONS = 180100 COUNTS
(71CY = 72516.00 MICRONS = 22516 COUNTS
IDENT = TO 00028
QMCX = 180136.00 MICRONS = 180136 COUNTS
QCY = 25036.00 MICRONS = 25036 COTTITS
RELIEF PLOT READY
IDENT = TO 00029
CIICX = 240428.00 MICRONS = 240428 COUNTS
OTCY = 83652.00 MICRONS = 83652 COUNTS
IDENT = 00029 TO 00030
Q'ICX = 220311.00 MICRONS = 220311 COUNTS
(NCY = 83762.00 MICRONS = 83762 COUNTS
IDENT = 00030 TO 00031
CNICX = 160818.00 MICRONS = 160818 COUNTS
OICY = 46062.00 MICRONS = 46062 COUNTS
IDENT = 00031 TO 00032
CHAR SEQ = N TO T
IDENT = 00032 TO 00029
CMCX = 325325.00 MICRONS = 325325 COUNTS
CMCY = 90900.00 MICRON'S = 90900 COUNTS
IDENT = TO 00033
AZ = 127.398 DEC,
QICX = 425406.00 MICRONS = 425406 CQRTS
CMCY = 220266.00 MICRONS = 220266 COUNTS
IDR'T = 00033 TO 00034
CMCX = 425406.00 MICRONS = 425406 COUNTS
(TOCY = 220266.00 MICRONS = 220266 COUNTS
IDENT = TO 00035
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0
0
?
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 Approved For Release 2006/03/31: CIA-R DP78T04759A010300010148-0
TOP SECRET
If an error of any type occurs, a message will by typed via the tele-
type. All of the error messages incorporated in the RTMP, their causes,
and what to do if you receive one appear on the following pages. The
messages are listed in alphabetical order.
X-1
TOP SECRET
 E R R O R M E S SAG E S
(F=fiducial, I=initial, M=multiple, N=intermediate, T=terminal)
Error Message
Cause
In variable filmspeed
option or when using
CIRCLE, CYLINDER, or
R/O functions, trans-
mitted N points deleted
all I points required
for determining mea-
surements
What To Do
Transmit I points again as
specified in appropriate
option or function; do
not reinitialize teletype
--4
O
O
rn
AZIMUTH PT DIST ERROR Point that is less than Transmit point that is at
N
rn
n
6 in. from previous least 6 in. from previ-
e'1
70
oint
oint transmitted to ous
70
rn
p
p
rn
get azimuth
BUSY
CHARACTER OVERFLOW
0
Communication lines to pro-
gram operating at full
capacity
More than 10 characters
entered for one para-
meter
Conversion error on Chip
comparator
?
No new request can be handled
at this time; wait & then
try to initialize teletype
again
Enter parameter in correct
format; format is printed
via teletype
Notify SSB/AID
0
 Error Message
COMPUTATION ERROR
DRUM READ ERROR
DRUM WRITE ERROR
Check points transmitted &
then transmit sequence
again; if error persists,
notify SSB/AID; continue
transmitting points for
other output
Program unable to cal-
culate results of points
transmitted
Problem encountered in
attempt to read data
from mass storage area
Problem encountered in
attempt to place data
on mass storage area
Points to be used for
calculations transmitted
before comparator initi-
alization
Check points transmitted &
then transmit sequence
again; if error persists,
notify SSB/AID
Notify SSB/AID
Notify SSB/AID
Initialize comparator by
sending fiducials
 Error Message Cause
ERROR IN DATA CONVERSION Problem encountered in Notify SSB/AID
attempt to convert data
to compatible form
-1
0
a
0
What To Do
Notify SSB/AID
ERROR - RESEND PT SEQUENCE Computer malfunction Parameters & fiducials
recovered; begin with I
point of sequence & con-
tinue transmitting points
FILM DRIFT MATH ERROR Conversion error Notify SSB/AID; calculations
are accurate because frame
operations were terminated
FIRST THREE POINTS LINEAR In CIRCLE function, calcula- Check points transmitted &
tions impossible with given transmit sequence again
points
Error detected during Attempt to obtain calculations
calculations again; if error persists,
notify SSB/AID
Is 0
0
N
m
n
m
 Error Message
HARDWARE ERROR
HARDWARE ERROR - DRUM
ILLEGAL FRAME
Parameter did not conform
to format
MPF options only; frame
(or accession) number
entered as parameter
not part of specified
pass (or revolution)
for mission indicated
Three possible causes:
1) x coordinate of grid
greater than 92 cm
2) y coordinate of grid
greater than 24 cm
3) both 1 & 2
Enter parameter in correct
format; format is printed
via teletype
Notify SSB/AID
Notify SSB/AID
Reinitialize teletype; enter
correct mission, pass, &
frame numbers or mission,
revolution, & accession
numbers
Reenter grid coordinates
with x