Trip Report - Coder/Keyer, CK-6

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78-02820A000500020071-6
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 2
• Document Creation Date: November 17, 2016
• Document Release Date: September 4, 1998
• Sequence Number: 71
• Publication Date: March 31, 1959
• Content Type: REPORT

Approved For Release 2000/09/1
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The Pi16a - RD-151t T .O. 1
Trip art -- Coder/der, CK-8
RDP78-02820A000500020071-6
1. A visit was made on 13 March 1959 to
Skokie, Illinois,, to monitor progress on the C
participating in the dice sions were.
x 3-3/4 x 1/4 inches.
gong Circuitry -- The keying circuitry for the -8 was com-
pleted in breadboard form except for the final keying transistor. This
circuitry utilizes 13 transistors for pulse forming and actual keying
inches and the keyer to 3-5/16 x 3--15/16 z 2
equipat,
3. The size of the coder has been reduc
and has a foam: factor of
engineering conauitant to
ion in his testing of t
randy to build the necessary number of twits for
electrical compatibility with the AS-3 em
of compatibility,
ON from the
4. stated that a gear drive might be used on the
if there was no objection to the following characteristic created by
the gear drive. When coding intelligence onto the tape, the spacing
tap. spool to the other because of changing diameters. In other w-oards,
thebaudspacing between words will increase from 0.015 inches at start
the tape the ba
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using the gear dr
spacin
in the length of the coder.
Approved For Release 2000/
through the tape, and at the end of
0.0163 inches per baud. Discussing
ted that there was no objection to
turn y also allow a slight reduction
IA-RDP78-0282OA000500020071-6
31 March 1959
CK--S. Persons
stT;ted that he Was
d would soon be
lusion in the LE-8
o 4-1/4 x 3--3/8 x 1-9/16
cheer. Ws now have
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 Approved For Release 2000/09/11
5. Delivery Date
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P78-0282QA000500020071-6
this dune
and
ar icn
rt~t
.
erssaree, ISITI
that additional funds would be required to at a this pro act. The
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who win then subodt a request to the Agency.
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6.
which we
This type block is
hand. Thor* is no seecrit
roblem i
v
7
l
p
n
o
ves laws OWC
(charscter blocks) contains only the start and
t
s
s
op
form any language ChRraeter. To groat* a lanewcer,&
h
blocks
York.
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e type
a
Veins must be milled cuff and then NO r8itosr refra.t,
only when the top and boats ~1rseE
of the character block are
be #n properly positioned win a l sage character
7. 7t ft ss Dion was requested by as to
t connection. This reguast will be check* 4 the h ti
personnel and the Laboratory. a s
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ID 3ubject File
~,...- Report
Lab
IP Chrca
OC-Z/R&D-gP,/ -* rl j (1 April 1959)
Approved For Release 2000/
RDP78-0282OA000500020071-6