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As originally constituted, what is now CB radio was Class D of the Citizens' Radio Service. Classes A and B were in the UHF radio band and served a similar purpose as Class D while Class C was interspersed among the current CB channels and used for remote control of devices, usually model craft (aircraft, watercraft, or road vehicles).
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In the United States, it is no longer illegal to engage in (or attempt to engage in) CB communications with any station more than 250 km (160 mi) from an operator's location. [48] This restriction used to exist to keep CB as a local (line-of-sight) radio service; however, in the United States the restriction has been dropped.
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CB slang is the distinctive anti-language, argot, or cant which developed among users of Citizens Band radio (CB), especially truck drivers in the United States during the 1970s and early 1980s, [1] when it was an important part of the culture of the trucking industry. The slang itself is not only cyclical, but also geographical.
Once seen across the continental United States, the gray wolf numbers dropped dramatically through predator-control programs in the 1900s. In 1978 they were reclassified as endangered throughout ...
Citizens Broadband Radio Service (CBRS) is a 150 MHz wide broadcast band of the 3.5 GHz band (3550 MHz to 3700 MHz) in the United States. [1] In 2017, the US Federal Communications Commission (FCC) completed a process which began in 2012 to establish rules for commercial use of this band, while reserving parts of the band for the US Federal Government to limit interference with US Navy radar ...
Large male gray wolf walking on a hill in the forest. (Photo credit: Getty Images) Less than nine months after Colorado released its first gray wolves into the wild as part of a controversial ...