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The SCR-508 radio was a mobile Signal Corps Radio used by the U.S. Army during World War II, for short range ground communications.The SCR-508 series radio represented the Army's commitment to both FM and crystal tuning, and was used extensively by armor and mechanized units.
Broadcast to Allied Merchant Ships (BAMS) was a protocol and system of broadcasts for Allied merchant ship convoys that was used during World War II to provide for the transmission of official messages to merchant ships in any part of the world. [1] [2] The BAMS system is designed for communication by the best employment of radio stations ...
Battery life was about one day of normal use. The SCR-536 weighed 5 pounds (2.3 kg) with batteries and 3.85 lb (1.75 kg) without batteries. The unit operated in AM voice mode between 3.5 and 6.0 MHz frequency range on any one of 50 channels. Plug in crystals and coils were used to control the frequency of the receiver and transmitter.
The Utility Radio or Wartime Civilian Receiver was a valve domestic radio receiver, manufactured in Great Britain during World War II starting in July 1944. It was designed by G.D. Reynolds of Murphy Radio. Both AC and battery-operated versions were made. [1] [2] [3]
The SCR-300, designated AN/VRC-3 under the Joint Electronics Type Designation System, was a portable radio transceiver used by US Signal Corps in World War II. This backpack -mounted unit was the first radio to be nicknamed a " walkie talkie ".
The term SCR was part of a nomenclature system developed for the U.S. Signal Corps, used at least as far back as World War I.Three-letter designators beginning with "SC" were used to denote complete systems, while one and two-letter designators (such as "BC", for basic component, "FT" for mounting, etc.) were used for components.
The SCR-694 saw use all over the army in many different theaters; notable instances include at regimental division headquarters during the Normandy invasion [2] and the Cabanatuan prison raid [3] as well as by scouts and reconnaissance units in the Pacific War. [4] It was later replaced by the AN/GRC-9, which saw first documented use in the ...
[2] Over 25,000 units were produced by Hallicrafters and other allied companies. In 1944, a short subject film was produced by the Jam Handy Organization and sponsored by the Hallicrafters Company detailing how the HT-4 transmitter was adapted for military service and dramatizing its use by the U.S. military during World War II. [3] [4]