DETAILED ANALYSIS OF STELLAR IMAGERY HAS RESULTED IN
Document Type:
CREST [1]
Collection:
Document Number (FOIA) /ESDN (CREST):
CIA-RDP78B04558A001800110027-2
Release Decision:
RIPPUB
Original Classification:
T
Document Page Count:
1
Document Creation Date:
December 28, 2016
Sequence Number:
27
Case Number:
Content Type:
CABLE
File:
| Attachment | Size |
|---|---|
 CIA-RDP78B04558A001800110027-2.pdf [3] | 44.23 KB |
Body:
Approved For Release 2008/02/29: CIA-RDP78B04558A001800110027-2
T 0 P S E C R E T 171825Z
1963 APR 17 18 37 Z
7 APR:
Era
cs
REF: MISSION 9053 -ACL
1. DETAILED ANALYSIS OF STELLAR IMAGERY HAS RESULTED IN :cFCy "
ABANDONING ANY ATTEMPT TO DETERMINE ATTITUDE FROM STARS FOR THIS IILF-
MISSION.
2. IN LIEU OF STELLAR PERFORMANCE TO DATE THERE CAN BE NO
REPEAT NO RELIANCE UPON STELLAR IMAGERY FOR ATTITUDE DETERMINATION.
THIS CREATES SERIOUS PROBLEM IN L PROGRAM WITH UNPROVEN IRS READ-
OUT AND ATTENDENT DATA BLOCK LIGHT FAILURE POSSIBILITY AS ONLY
MEANS TO DETERMINE ATTITUDE.
3. WITHOUT IMMEDIATE ACTION TO PERFECT THE STELLAR CAMERA
PERFORMANCE TO PROVIDE IMAGERY SUITABLE FOR ATTITUDE DETERMINATION
(PITCH ROLL AND YAW) THERE CAN BE LITTLE HOPE OF EXPLOITING THE
FULL METRIC CAPABILITIES OF THE L SYSTEM OR EVALUATING SYSTEM
PERFORMANCE.
4. SUCH FACTORS AS AVAILABLE STAR FIELD, EXPOSURE, VIGNETTING,
BAFFLEING, ETC. SHOULD BE CONSIDERED.
T 0 P S E C R E T
CFN 0672 9053 NO RELIANCE L IRS L
Declassification Review by NGA/DoD
T K t1
1
Approved For Release 2008/02/29: CIA-RDP78B04558A001800110027-2