This device was a complex, electronic , point-to-point teletypewriter security equipment designed for use on radio and wireline circuits both ashore and afloat. It employed a four channel time division multiplexor telegraph terminal set. Employed were the standards and synchronizing features of the
AN/FGC-5 OR AN/UGC-1 sets. The UCG-1 was the transistorized version of the FGC-5 set.
Selectable were tow, three and four channel modes.
Keymat was provided in the form of punched cards. KW-22 was a vacuum tube device with about 300 tubes in the receiver and 400 in the transmitter.
|Transmitter||66 in.||25 in.||28 in.||662 lbs||115/230 VAC||1040 watts|
|Receiver||56 in.||25 in.||28 in.||548 lbs||115/230 VAC||840 watts|
The quantities shown below were issued to the following services for service trails as authorized in a former SECRET document dated June 15, 1955
US Army - 4
USN - 6
USAF - 4
NSA - 2
Unit cost: $20,000 or $22,000 depending on the source.
Originally issued as KW-22(D)
Quantity produced: 704
Training: 17 week course at Mare Island. Eight weeks devoted to KW-22; Nine weeks to KO-5.
For a more detailed look at the KW-22, please select this link.
|KW-22 (Image courtesy National Cryptologic Museum)|
1) Ed Hannon, Seminole, FL
2) Nick England <email@example.com>
3) National Cryptologic Museum PDF file on KW-22
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