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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-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". [1]
During World War II, American GIs in both the Pacific and European theaters of war heard anonymous voices on the radio playing carefully selected American music and extolling the virtues of Japanese and Nazi causes. The DJs continuously encouraged GIs to stop fighting and constantly made false claims of American defeats and Japanese or Nazi ...
Again during World War II, as it had done during the first World War, the United States Congress suspended all amateur radio operations. [9] With most of the American amateur radio operators in the armed forces at this time, the US government created the War Emergency Radio Service which would remain active through 1945.
In the middle 20th century radio equipment came to dominate the field. Many modern pieces of military communications equipment are built to both encrypt and decode transmissions and survive rough treatment in hostile climates. They use different frequencies to send signals to other radio stations to communicate. Radios have played a major role ...
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[2] [3] [4] In early 1916 the Marconi Company (England) started production of air-to-ground radio transmitters/receivers which were used in the war over France. In 1917 AT&T invented the first American air-to-ground radio transmitter. They tested this device at Langley Field in Virginia and found it was a viable technology. [5]
The foxhole radio, like a mineral crystal radio receiver, had no power source and ran off the power received from the radio station. They were named, likely by the press, for the foxhole, a defensive fighting position used during the war. There are also accounts of prisoners of war in World War II and in the Vietnam War having constructed ...