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Radio antenna kites are used to carry a radio antenna aloft, higher than is practical with a mast. They are most often associated with portable radio systems, usually with pre-World War I field equipment, and were also occasionally used to increase radio range on Naval ships. The use of kite supported antennae was limited because of difficulty ...
The AN/ART-13 operated in CW (code), MCW and AM (voice) modes and covered LF, MF and HF frequencies up to 18.1 MHz.It had ten autotuned VFO tuned channels that could be preset. . Post-war modifications by COMCO and other companies added crystal frequency control capability and were approved for use on civil airline
A radio mast base showing how virtually all lateral support is provided by the guy-wires. The terms "mast" and "tower" are often used interchangeably. However, in structural engineering terms, a tower is a self-supporting or cantilevered structure, while a mast is held up by stays or guy-wires. [1] A mast
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The AN/PRC-77 entered service in 1968 during the Vietnam War as an upgrade to the earlier AN/PRC-25.It differs from its predecessor mainly in that the PRC-77's final power amplifier stage is made with a transistor, eliminating the only vacuum tube in the PRC-25, as well as the DC-DC voltage converter used to create the high plate voltage for the tube from the 15 V battery.
At the time they were built, they were the tallest towers used for military purposes in the Western hemisphere. [1] The two masts are also the tallest towers used for long wave transmissions in the Western hemisphere. Since the collapse of Warsaw Radio Mast, they may be the world's tallest structures that are electrically insulated from the ground.
Radio towers and masts that have been demolished or destroyed due to engineering error, replacement, or controlled demolition. Some of the radio masts could be either unfinished or abandoned. Pages in category "Former radio masts and towers"
A US Army signaller (25Q) erecting a 30-meter mast antenna Royal Navy signaller with signal flags, 1940. A signaller, signalman, colloquially referred to as a radioman or signaleer [1] in the armed forces is a specialist soldier, sailor or airman responsible for military communications.
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