Vintage Radio Technology and Vacuum Tube Electronics: A 1963 U.S. Army Training film covers in excellent detail the mobile Radio Teletypewriter and Radio Equipment of the AN/GRC-46. Great vintage radio equipment explained and demonstrated.
The AN/GRC-46 equipment was originally mounted on an Army M-37 series 3/4 ton truck as shown in the film. The GRC-46 was a military designed radio teletypewriter communications facility, capable of mobile or fixed place operations, containing a variety of communications equipment, including AM voice and CW radiotelegraphy. Primarily used by US Army in tactical units in the 1960’s.
It operated in the HF (High Frequency) band
Its many components included:
Radio Teletypewriter Set
AM Radio High Frequency Voice Transmitter
CW Radio teletype (Continuous Wave)
Hand Key code transmitter
Reperforator for punched paper tape
Antennas, and more
Original Film Source: National Archives film from Public Resource.org
Here are several great web sites with GRC-46 info and a very impressive GRC-46 Restoration!
Post WWII US Army Radios & Radio Teletype Shelters
rattrig.com/default.html
AN/GRC-46 info at Radio Nerds.com
radionerds.com/index.php/AN~G...
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