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Summary
Summary
| Description |
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. |
|---|---|
| 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 |
| Date |
1946 |
| Author |
style="background: #EEE; font-size: smaller; vertical-align: middle; text-align: center; " class="unknown table-unknown"|author |
| Permission (Reusing this file) |
See below.
|
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:43, 5 February 2024 | | 625 × 725 (364 KB) | Isidore (talk | contribs) | =={{int:filedesc}}== {{Information |description={{en|1=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.}} |date=1946 |source=http://www.navy-radio.com/manuals/tty/fgq1-t... |
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