On-line or Off-line Mixer 60-100 wpm Teletype circuits. - Mixes a plain text input stream with a One-Time Key Tape.
Replaces AN/FGQ-1, SSM-33, HW-18.
Used with HW -10 (or earlier)
Originally designated was HW-19(D) AFSAZ D7319
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 - 6
USN - 10
USAF - 4
NSA - 4
Unit cost in 1955 - $ 700
Click here for HW-19 data sheet.
|HW-19 (NSA image).|
|The HW-10 is a Teletype Distributor for use with the HW-19 mixer. Click here for the HW-10 data sheet. (Courtesy NCM)|
Credits and References :
1) Nick England [navy.radio(at)gmail.com]
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