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The NATO H band is the obsolete designation given to the radio frequencies from 6,000 to 8,000 MHz (equivalent to wavelengths between 5 and 3.75 cm) during the Cold War period. Since 1992, frequencies have been allocated, allotted, and assigned in accordance with the NATO Joint Civil/Military Frequency Agreement (NJFA). [ 1 ]
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H band may refer to: H band (infrared), an atmospheric transmission window centred on 1.65 μm; H band (NATO), a radio frequency band from 6 to 8 GHz;
Ultra high frequency (UHF) is the ITU designation [1] [2] for radio frequencies in the range between 300 megahertz (MHz) and 3 gigahertz (GHz), also known as the decimetre band as the wavelengths range from one meter to one tenth of a meter (one decimeter).
The use of U,B,V,R,I bands dates from the 1950s, being single-letter abbreviations. [b] With the advent of infrared detectors in the next decade, the J to N bands were labelled following on from near-infrared's closest-to-red band, I. Later the H band was inserted, then Z in the 1990s and finally Y, without changing earlier definitions.
Typically, the signal on port L will occupy a single low frequency band and the signal on port H will occupy a higher frequency band. In that situation, the diplexer consists of a lowpass filter connecting ports L and S and high pass filter connecting ports H and S. Ideally, all the lowband signal power on port L is transferred to the S port ...
ARC-164 Receiver/Transmitter (RT-1504) used for remote installations. ARC-164 Control Panel (C-11719) used for remote installations. The AN/ARC-164 is an US military UHF aircraft radio that operates in the aeronautical mobile (OR) service / B band (NATO).
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