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Consequently, a digital converter box – an electronic device that connects to an analog television – must be used to allow the television to receive digital broadcasts. In the United States, the government subsidized the purchase of such boxes for consumers via their coupon-eligible converter box program in 2009, funded by a small part of ...
For military communications, the Joint Network Node system, or JNN as it is commonly called, is a communications system the United States Military uses for remote, satellite-based communication. It is described by General Dynamics and the US Army Signal School as "the next generation of battlefield communications." [1] [2]
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.
The Mobile Subscriber Equipment (MSE) system was a tactical communication system created by GTE Government Systems [4]: 393 (later acquired by General Dynamics) for the United States Army. [ 2 ] [ 6 ] Acquisition began in 1985 for echelons below Corps and down to the battalion level. [ 7 ]
A SEN switching shelter contains switching, multiplexing, and communications security (COMSEC) equipment for secure digital voice and data communications. A single switching shelter is mounted on the back of a HMMWV, powered is provided by a 10 kW diesel generator, and the SEN is operated by up to a six soldier team.
Single Channel Ground and Airborne Radio System (SINCGARS) is a very high frequency combat network radio (CNR) used by U.S. and allied military forces. In the CNR network, the SINCGARS’ primary role is voice transmission between surface and airborne command and control (C2) assets.
After plugging in the RIC-U, Soldiers select the radio they wish to speak on. They then interoperate with the allies' radio voice networks, transmitting and receiving voice messages. Allied partners can use their native radio communications equipment, unique encryption, and frequency-hopping techniques to speak with U.S. military personnel.
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