MISSION 1033 PHOTOGRAPHIC EVALUATION INTERIM REPORT

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04558A001300020066-4
• Release Decision: RIPPUB
• Original Classification: T
• Document Page Count: 7
• Document Creation Date: December 28, 2016
• Document Release Date: June 25, 2008
• Sequence Number: 66
• Publication Date: June 16, 1966
• Content Type: CABLE

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OUT5883~
T 0 P-E C R E T 162037Z CIT1
497
CORONA/PET
SUBJ: MISSION 1033 PHOTOGRAPHIC EVALUATION INTERIM REPORT
(PEIR)
1. NUMERICAL SUMMARY
MISSION NO AND DATES:
LAUNCH DATE AND TIME:
VEHICLE NUMBER:
CAMERA SYSTEM:
PAN CAMERA NOS:
S/I CAMERA NOS:
RECOVERY REVS:
2. CAMERA SETTINGS
FWD-LOOKING
AFT-LOOKING
MSN 1033-1, 24-29 MAY 1966
MSN 1033-2, 29 MAY-3 JUN 1966
24 MAY 1966/02-00-33 GMT
1630
J-33
FWD-LOOKING (MASTER) 194
AFT-LOOKING (SLAVE) 195
MSN 1033-1, D91/105/109
MSN 1033-2, D84/075/102
D83 AND D178
1.200 INCH SLIT
WRATTEN 21 FILTER
0.200 INCH SLIT
WRATTEN 21 FILTER
21 0,_,Z 25X1
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1'7 JUN 1966
UISTkitJ110N
CY No. I 0
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PERFORMANCE SUMMARY
THE OVERALL IMAGE QUALITY OF MISSIONS 1033-1 AND 1033-2
WAS GOOD AND COMPARABLE TO MISSION 1031. ATMOSPHERIC HAZE
THROUGHOUT MOST PHOTOGRAPHY WAS NOTICEABLY HIGH AND COMPARABLE
TO RECENT MISSIONS. THE PI'S COMMENTED FAVORABLY ON THE QUAL-
ITY OF THE ASCENDING PHOTOGRAPHY AS COMPARED TO PREVIOUS
ASCENDING PHOTOGRAPHY. IT IS SIGNIFICANT TO NOTE THAT THE
MIP FRAMES FOR THIS MISSION WERE FROM FORWARD INSTRUMENT
ASCENDING PHOTOGRAPHY. THESE COMMENTS WERE THE RESULT OF
TWO FACTORS: FIRST, THE NEAR CIRCULAR ORBIT PROVIDED NEARLY
EQUAL SCALE ON BOTH DESCENDING AND ASCENDING PASSES; SECOND,
THE PI'S FELT THAT THE VARIATION IN ILLUMINATION CONDITIONS
ON THE MULTIPLE PASSES PROVIDED A DIFFERENT AND HELPFUL LOOK
AT THE TARGETS. THERE WERE NO CORN OR BAR TARGETS PHOTOGRAPHED
ON THIS MISSION.
4. ANOMALIES
ANOMALIES INCLUDING THOSE REPORTED IN THE 31 MESSAGES
(REF A AND B) WERE REVIEWED.
A. LOSS OF START OF PASS MARK
CAUSE: THE START OF PASS MARK WAS PRESENT AT
START-UP (REV 82A FRAME 79) BUT WAS MISSING AT "SHUT DOWN"
(FRAME 99) AND FAILED TO APPEAR FOR THE REMAINDER OF THE
MISSION. THE START OF PASS LAMP DID NOT OPERATE DURING THE
LAST OPERATIONAL PASS OF 1033-1, AND IS ATTRIBUTED TO A
RANDOM LAMP FAILURE.
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ACTION: NONE.
B. FAILURE OF THE FREQUENCY LAMP TO EXTINGUISH
COMPLETELY
CAUSE: THIS PROBLEM APPEARS TO HAVE BEEN CAUSED
BY FAILURE OF A TRANSISTOR TO COMPLETELY TURN OFF
(THERMAL RUN-AWAY). THIS CONCLUSION IS CONSISTENT WITH
THE HIGH TEMPERATURES EXHIBITED AT THE INSTRUMENT
MAIN PLATE (AND THEREFORE THE LAMP SYNC UNIT) OF THE
FORWARD INSTRUMENT DURING MISSION 1033-1.
ACTION: REVIEW "UNIVERSAL THERMAL PAINT PATTERN"
AS APPLICABLE TO SPECIAL ORBITS
Co VEILING OF STARBOARD HORIZON CAMERA IMAGERY - THE
STARBOARD HORIZONS ARE SEVERELY VEILED STARTING ON THE FIRST
FRAME OF D01, 1033-1 WITH ONLY SLIGHT IMPROVEMENT IN QUALITY
BY PASS 82D. THE VEILED CONDITION GRAUDALLY LESSENS IN
1033-2 AND APPEARS NORMAL IN THE FWD CAMERA PASS A114
THROUGH THE END OF THE MISSION.
CAUSE: UNKNOWN. IT IS SUSPECTED THAT ONE
CONTRIBUTING FACTOR MAY BE THE SHINY BLACK RUBBER BOOTS
ON THE SUN SIDE OF THE PAYLOAD. THESE BOOTS COULD BE
REFLECTING NON-IMAGED LIGHT ONTO HORIZON IMAGERY. ALSO
REFER TO REF Co
ACTION: ELIMINATE SPECULAR REFLECTIONS FROM
HORIZON BOOTS.
STELLAR CAMERA SHUTTER MALFUNCTION 1033-2;
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INTMITTENT DELAY IN SHUTTER CLOSING.
CAUSE: EXCESSIVE INTERNAL FRICTION IN SHUTTER.
ACTION: SUBSEQUENT CAMERA SYSTEMS HAVE BEEN
MODIFIED TO INCORPORATE STRONGER SHUTTER CLOSING SPRINGS.
E. INTERMITTENT BASE SCRATCHING FWD CAMERA THROUGH-
OUT MISSION
CAUSE: UNKNOWN.
ACTION: NONE.
F. INTERMITTENT EMULSION SCRATCH FWD 1033-2 ONLY
CAUSE: UNKNOWN.
ACTION: NONE.
G. A TINY METAL CHIP WAS FOUND IMBEDDED IN THE MASTER
CAMERA FILM - FRAME ONE, CENTER OF TAKE-UP END OF THE CUT
AND WRAP SEGMENT. MINOR ASSOCIATED SCRATCHES AND DIMPLES
ARE FOUND ON ADJACENT WRAPS WITH PITCH CORRESPONDING TO
THE DIAMETER OF THE "B" TAKE-UP SPOOL CORE.
CAUSE: IT IS CONCLUDED THAT THE METAL PARTICLE
WAS INTRODUCED INTO THE "B" TAKE-UP ROLL DURING CUT
AND WRAP.
ACTION: UNDER INVESTIGATION AT A/P (MONITOR:
H. A DISCREPANCY EXISTS IN THE NUMBER OF FRAMES
INDICATED TAKEN AND THE NUMBER RETURNED ON THE "B" INDEX
CAMERA - THE LAST 8 THROUGH 13 FRAMES APPARENTLY ARE
MISSING. OF APPROXIMATELY 118 FEET ON THE FLIGHT SUPPLY
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J. THE NUMBER SIX BINARY LAMP ON THE FWD INSTRUMENT
OPERATED INTERMITTENTLY THROUGHOUT MISSION 1033-1 AND FOR
THE FIRST PASS OF MISSION 1033-2.
CAUSE: THE BIT INTERMITTENTLY REMAINED IN THE
"ONE" STATE THEREBY INTRODUCING A CONSTANT OFF-SET IN THE
EFFECTED TIME WORDS. DURING THE READINESS RUN AT BEACH
THE SAME LAMP WAS FOUND TO BE INTERMITTENTLY MISSING.
AT THIS TIME THE PROBLEM WAS ATTRIBUTED TO A LOOSE CONNECTION
ON FURTHER MISSIONS OF THIS NATURE
I. HIGHER THAN NORMAL THERMAL ENVIRONMENT CAUSING
IMAGE QUALITY CHANGE ACROSS FORMAT - ON BOTH CAMERAS
THROUGHOUT THE MISSION A VARIATION OF IMAGE QUALITY WAS
OBSERVED UNDER HIGH MAGNIFICATION.
CAUSE: DUE TO THE INCREASED TEMPERATURES THE
CAMERAS PROBABLY SAW A SHIFT FROM OPTIMUM FOCUS.
THERMAL INFORMATION WOULD INDICATE THIS SHIFT WAS
PROBABLY IN THE ORDER OF 0.0015". NORMAL VARIATION
ACROSS THE FIELD OF VIEW BECAME APPARENT AS THE IDEAL
FOCAL SETTING WAS CHANGED.
ACTION: THERMAL PAINT PATTERN WILL BE REVIEWED
DATA (MONITOR:
SPOOL, APPROXIMATELY 93 FEET WERE RETU"ED.
CSE : UNKNOWN.
ACTION: RE-EXAMINATION OF T/M AND OFF SPOOLING
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WHICH WAS SUBSEQUENTLY CORRECTED. THISGROUND PROBLEM COUPLED
WITH THE FLIGHT MALFUNCTION MAY INDICATE A DEFECTIVE CLOCK.
THIS MALFUNCTION PRESENTED NO SIGNIFICANT PROBLEMS TO THE
DATA REDUCTION EFFORT.
ACTION: NONE.
K. CHARACTERISTIC ANOMALIES: THERE ARE CERTAIN CHAR-
ACTERISTIC ANOMALIES THAT ARE CONSIDERED INHERENT TO THE
OPERATION OF THE CORONA SYSTEM. WHILE THESE ITEMS WARRANT
ATTENTION TO PREVENT FURTHER DEGRADATION IT IS NOT FELT
THAT SPECIFIC ACTION ITEMS SHOULD BE ASSIGNED. A SUMMARY
OF THESE ITEMS AND THE DEGREE OF DEGRADATION IS PRESENTED
BELOW.
(1) STATIC DISCHARGE ALONG THE EDGES OF BOTH PAN
CAMERA FILMS ARE LESS THAN NORMAL.
(2) RAIL SCRATCHES FROM BOTH PAN CAMERAS WERE LESS
THAN NORMAL.
(3) NO RAGGED FORMAT EDGES WERE OBSERVED.
(4) SCRATCHES IN THE FORMAT OF BOTH CAMERA SYSTEMS
ARE CONSIDERED NORMAL WITH THE EXCEPTION OF AN INTERMITTENT
BASE SCRATCH (SEE E ABOVE) IN THE FORWARD CAMERA THROUGHOUT
MISSION AND AN INTERMITTENT EMULSION SCRATCH MISSION 1033-2
ONLY (SEE F ABOVE).
5. COMMENTS
THERE ARE NO PARTICULAR COMMENTS TO BE MADE FOR THIS
MISSION. THE PET INDEX CAMERA PHOTOGRAPHY ANALYSIS IS
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PRESENTED BELOW:
MISSION 1033-1
TOTAL INDEX FRAMES - 430
TOTAL CLEAR TERRAIN - 92 OR 21 PER CENT
MISSION 1033-2
TOTAL INDEX FRAMES - 412
TOTAL CLEAR TERRAIN - 54 OR 14 PER CENT
T 0 P S E C R E T
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