DECLASSIFICATION OF AS-4A RF TERMINALS
Document Type:
Collection:
Document Number (FOIA) /ESDN (CREST):
CIA-RDP78-03424A000500060015-6
Release Decision:
RIPPUB
Original Classification:
S
Document Page Count:
1
Document Creation Date:
December 22, 2016
Document Release Date:
February 22, 2012
Sequence Number:
15
Case Number:
Content Type:
MEMO
File:
Attachment | Size |
---|---|
![]() | 39.41 KB |
Body:
Declassified in Part -Sanitized Copy Approved for Release 2012/02/22 :CIA-RDP78-03424A000500060015-6
STANDARD FORM NO. E~ L {~ _ .j ~ - .
V~GCC LV1CnZOy"GL~LlL7l~~NITED STATES GOVERNMENT
CONFIDENTIAL
Ee0-MS
~~~
TO :Chief, IN*~{ ~t ^tratiYe Staff, CC
ATTIC sCLssifiaatia~n Cerztrol Oftiaer
Chief, Engineering Staff, OC
c]sssifiastion o! AS-4A RF Ta
susJacT:
1. On 27 Ne4y 1958 the A8-4 equipveat and rested q~1 technique ~rere
approved !or declassification. The Tratrsait ~' Teraina!, A~-~A, and the
Receive Ia' 'Derariaal, AR-~1A, of the A8-IM system, noir classified B~tE'R
operate with the ware Q~f[ teahni4are
as the A8 These terminals ccritain the same equipreat as the AS-4
except for the additic+n of error a?rreatiarn circuits. Error correction
circuits are a~a- widely la~vvn affi used in the eleatro?ic field.
Z. In vie~- of these !sots, it is np logger feasible to consider the
~' terminals od the AS-$A system It is recaaradad, therefore,
drat the Transarit ~' Teraina!, AT-~1-, and the Reaei~re R!' Tsrainal, AR-4A,
be deaLasified.
?
QOC ~ REV ?ATE 2 feeo - BY
_ _ _ _ --
ORIG CCMP Q,~~ GF! _ .S-G TrFE Q ~ ~.
ORIG CLASS ,.~- PF;=S ~_ ggy CLASS .~_
JUST _~,_ N%XT ;;4 ~.D/ D AUTHt HR 10?Z
CONFIDENTIAL
25X1
25X1
25X1
Declassified in Part -Sanitized Copy Approved for Release 2012/02/22 :CIA-RDP78-03424A000500060015-6