CABLE TO OPCEN FROM SSO SAN FRANCISCO

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP74B00752R000100330084-8
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 2
• Document Creation Date: December 22, 2016
• Document Release Date: July 22, 2009
• Sequence Number: 84
• Publication Date: March 16, 1965
• Content Type: CABLE

Approved For Release 2009/07/22 CIA-RDP74B00752R000100330084-8
. . .J
S E C R E T
FROM : SSO SAN FRANCISCO
16 MAR 65 22102
Pp-os /-1
NRO Review Completed as Redacted.
TOR: 0005Z 17 MAR 65
TO er~~+(1 +'s I)ryl
SE C .R .E T THIS IS A BYECOM MESSAGE HANDLE. VIA BYEMAN CXANNELS ONLY
PROJEC`1 SFN PROJ
.?
FO R ONLY FROM
INTERCEPT ALERT
1. THE C
DURATION OF THE MAIN BEAM. ILLUMINATION WAS
SYSTEM ON
ON IN BOTH CASES THE EMITTER REMAINED IN. ITS
..SCAN MODE 'AND DID.NOT GO' INT A STEADY TRACK MODE.
2. THE INTERCEPT ON HAD-IRREGULAR ILLUMINATION
PERIODS AND LOW AMPLITUDE, ALTHOUGH.THE PRF AND PULSE WIDTH
QUALIFIED ..AS BEING SIMILAR TO.
THIS WAS ABACK LOBE 'INTERCEPTO
BEFORE AND AFTER PASSING THROUGH THE SUSPECTED COVERAGE SECTOR0
.'BASED ON THE VEHICLE POSITION,.
3.1 ON .THE VEHICLE PASSED' APPROXIMATELY a NAUTICAL
MILES WEST OF APPARENT SIDE LOBE INTERCEPTS WERE MADE
MAXIMUM SIGNAL LEVEL OF THE SIDE LOBES WAS APPROXIMATELY
AT THE VEHICLE,, WHEN THE VEHICLE PASSED- INTO THE COVERAGE SECTORS
THE SIGNAL AMPLITUDE OF THE MAIN BEAM WAS.APPROXIMATELY
S E C R.E T
INTERCEPTED THE I EMITTER
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Ri: PRODUCC,T!ON BY O`T~-iER T1L';1i4 TT#E'iSSUi.NG, ()FFR,IS P R 0 8 E};..
16 MARCH 1965
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Approved For Release 2009/07/22 : CIA-RDP74B00752R000100330084-8
 Approved For Release 2009/07/22 : CIA-RDP74B00752R000100330084-8
SSO SAN FRANCISCO (IN 77135)
REPEATING EVERY
INATED AT T HE
S E C R E T PAGE TWO
THE VEHICLE WAS ILLUM-
HE REMAINDER OF THE
INTERCEPT WAS OF LOW AMPLITUDE SIDE LOBES.
4. INTERCEPT SUMMARY
SIGNAL UP
SIGNAL DOWN
VEHICLE POSITION
SIGNAL UP
SIGNAL DOWN
VEHICLE 'POS IT ION
5. ANALYSIS IS CONTINUING TO REFINE THE MEASUREMENTS AND TO
BETTER ESTABLISH THE VEHICLE POSITIONS. REPORT WILL FOLLOW WHEN
INFORMATION IS COMPLETE.-
END OF MESSAGE
S E C R E T
Approved For Release 2009/07/22 : CIA-RDP74B00752R000100330084-8