TTY_mixer_131B2_TM-11-2222_Fig_3.jpg
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Summary
Description TTY mixer 131B2 TM-11-2222 Fig 3.jpg |
English:
Type 131B2 mixer, used by the U.S. to encrypt teletypewriter transmissions during World War II and up to 1960 by combining plaintext data with a binary key stream using the XOR operation. Used with
w:SIGTOT
one-time-tape and
w:SIGSUM
key generator. Later renamed AN/FGQ-1. Unit photographed from the rear with grill removed. Large cylinders are WEco. 255 polar relays.
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Date | |
Source | http://www.navy-radio.com/manuals/tty/fgq1-tm-11-2209.pdf Figure 3 in Department of the Army Technical Manual TM-11-2209 |
Author | Unknown author Unknown author |
Licensing
Public domain Public domain false false |
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