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The initial channel allocations had a gap equal to two channel spaces between channels 22 and 23. Those channels were assigned to the Business Radio Service. Beginning in 1977, those two channels (and 15 others above CB Channel 23) were reallocated to CB use. Channel 23 was left as it was so that users of pre-1977 equipment could use that ...
Pages in category "Radio stations established in 1977" The following 200 pages are in this category, out of approximately 202 total. This list may not reflect recent changes .
The range originally adopted in 1945 began with channel 201 (88.1 MHz), or a value high enough to avoid confusion with television channel numbers, [2] which over the years have had values ranging from 1 to 83. Having a gap between the highest TV channel number and the lowest FM channel number allowed for expansion, which occurred in 1978 when ...
Several people had 22A, but few had 22B. In the early 1970s Radio Shack sold a "base station" CB radio that contained a crystal for each of the 23 channels, two extra slots existed, and one could order the 22A & 22B crystals for an easy plug-in. Channel 9 was officially reserved for emergency use by the FCC in 1969.
Radio stations disestablished in 1977 (2 P) ... Pages in category "1977 in radio" The following 4 pages are in this category, out of 4 total.
Radio stations in United States have evolved since their early twentieth-century origins. In 1920 8MK started operations in Detroit; after it, thousands of private and public radio have operated in the United States.
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1962: A sick infant, a disabled car on a Chicago freeway, and a January blizzard prompted Henry B. (Pete) Kreer to envision using CB radio to get help in such emergencies. Hallicrafters Radio sponsored the founding of REACT in April, with Kreer serving as its executive director. 1967: REACT approached the FCC for a designated CB Emergency Channel.