SYSTEM 8X TEST TAPE

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP67B00511R000100260002-1
• Release Decision: RIFPUB
• Original Classification: K
• Document Page Count: 6
• Document Creation Date: December 22, 2016
• Document Release Date: December 10, 2009
• Sequence Number: 2
• Publication Date: September 1, 1960
• Content Type: MISC

Approved For Release 2009/12/10: CIA-RDP67B00511 R000100260002-1
? fe * *41 SC 6
System 8Y TOt Tape
Channel Record Time of 30 Sec for each Frequency and Level
1 66 Mc 7t dbm. 80 dbm, 90 dbm, 100 dbm, 105 dbm
2 71 Mc 7 t dbm, 8o dbm, 40 dbm, 100 dbm, 105 dbm
3 76 Mc 70 dbm, 80 dbm, 90`dbm. 100 dbrn, 105 dbm
4 66, 71, 76 Mc at all DB Levels
5
6 66 Mc E.XT. Sync
7 71 Mc FIT. Sync
8 76 MC E``'T. Sync
9 operator #3 Voice Describing Above Test
10 Operator #4 Voice and 1000 cycles describing tone above test
11 Low K Band RCUR Noise
12 High K Band RCUR Noise
13 W v VH 5 Mc
14 'alt W VH 5 Mc
Test Tape Recording Time
Channel
1. 0 to 2 1/2 minutes
2. 2 1112 to 5 minutes
3. 5 to 7 I/ Z minutes
4. 0 to 7 1/2 minutes
5. 0 to 7 1/2 minutes
6. 0 to 2 1/2 minutes
7. 2 1/2 to 5 minutes
8. 5 to 7 1/2 minutes
9. 0 to 7 l 2 minutes
10. 0 to 7 1/2 minutes
11. 0 to 7 1i 2 minutes
12. 0 to 7 1/2 minutes
13. 0 to 7 I/ Z minutes
14. 0 to 7 1/2 minutes
Approved For Release 2009/12/10: CIA-RDP67B00511 R000100260002-1
 Approved For Release 2009/12/10: CIA-RDP67BOO51 1 R000100260002-1
414
The .at tape is a 1 1/2 mil tape so only 8 minutes of
recording time was available. At the 7u dbm level the system
was saturated and at the 105 dbm. level the lights were fluctuating.
This test tape should give an idea of the sensitivity and dynamic
range of ti ysi+m BY.
Approved For Release 2009/12/10: CIA-RDP67B00511 R000100260002-1
 Approved For Release 2009/12/10: CIA-RDP67B00511 R000100260002-1
! gutgenewt Hookup for Tangential
Sensitivity System Cheek of 8%
Equipment and Dynamic .ago Check
Approved For Release 2009/12/10: CIA-RDP67B00511 R000100260002-1
 Approved For Release 2009/12/10: CIA-RDP67B00511 R000100260002-1
(Sial Generator Level 100 dbm) a
level of Z mv. PP is set on all
rcur. recording heads.
(..c (11 f`
z 71V 6;uT
Equipment set up for head level settings
10 my PP level is set for all other
recorded signals.
Approved For Release 2009/12/10: CIA-RDP67B00511 R000100260002-1
7'sr~~
x.T t,F
 Approved For Release 2009/12/10: CIA-RDP67B00511 R000100260002-1
del 1 ? 66 go,
70 d at t - no good noise?
80dbm
90 din ? VS som s litu a variation
100 dbm fair/poor noisy
305 db.u N w ft
Channel 2 - 71 9e/s
70 dbm NIL
80 dbm NIL
90 db!n NIL
100 dbm NIL
1Odlt NIL
Channel 3 . 76 tie/s
70 dbm VU
80 dt YO
90 d TO
100 dIr No Good
1O5dbn No
Channel. 4
.dead
Channel 5
71 W-/8
70
80 VU - avel4tude variation
90 dbm fair/ good
Good
100 dbm No 105 db z No
Good
Channel 6 - 66 ate/s - extracted sync
70 dbm -
80 dbm -
90 dbm - NIL
.1OOdIr-iilL
105dbm . ML
Approved For Release 2009/12/10: CIA-RDP67B00511 R000100260002-1
 Approved For Release 2009/12/10: CIA-RDP67B00511 R000100260002-1
*1* ?9
(pressed video)
Channel 7 - 71 Me/s extracted s fl
70$bm VO
80 dbm V'G
90 dbm VO ing all of signal
100 dbm VO
105 dbbri Bair/good - noisy
channel 8 - 76 fie f s - tracW sync
7odbm-NL
8?dbm-HI
19y000 ~f1dbm ~.., - NIL
1 ~ - NIL
105dbm-NIL
Channel 9 - voice annotations
some splash over from wwV (teals) very
intern iittent
Channel 10
Splash over from del 9 - no other voice
1000 NIL
channel 11 has WWVH on - no other sig
Channel 12 has WWVH
Channel 13 wwVH very good
Channel 14 WWVH sneak .
76 me/* 8o dtam channel 1134 wwvH NIL
100 dbm WWVH weak mush noise
Approved For Release 2009/12/10: CIA-RDP67B00511 R000100260002-1