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FM radio channel assignments in the U.S. In the United States, FM broadcasting stations operate on a 20.2 MHz-wide frequency band, spanning from 87.8 MHz to 108 MHz. This is divided into 101 0.2 MHz-wide channels, which are designated as channels 200 through 300. In actual practice, few except the FCC use these channel numbers; the frequencies ...
Radio broadcasting has been used in the United States since the early 1920s to distribute news and entertainment to a national audience. In 1923, 1 percent of U.S. households owned at least one radio receiver, while a majority did by 1931 and 75 percent did by 1937. [1][2] It was the first electronic "mass medium" technology, and its ...
There are 51 MTAs, 493 BTAs and 175 EAs in the United States. The Advanced Wireless Services (AWS) bands, auctioned in the summer of 2006, were for 1,710–1,755 MHz, and 2,110–2,155 MHz. The spectrum was divided into blocks: A blocks were for Cellular Market Areas, based on existing cellular (1G) licenses, and were 2 × 10 MHz.
The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3,000 GHz (3 THz). Electromagnetic waves in this frequency range, called radio waves, are widely used in modern technology, particularly in telecommunication. To prevent interference between different users, the generation and transmission of radio ...
FM broadcast band. Graphical depiction of FM broadcasting allotments. The FM broadcast band is a range of radio frequencies used for FM broadcasting by radio stations. The range of frequencies used differs between different parts of the world. In Europe and Africa (defined as International Telecommunication Union (ITU) region 1) and in ...
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.
HRN Media (Hispanic/ Multi-Cultural Radio Network) Sun Broadcast Group. IMG Worldwide. IMG College (consisting of 76 individual radio networks) ISP Sports. MRN Radio (Motor Racing Network) MannGroup Radio Services. Music of Your Life (formerly distributed by Jones Radio Network) Northern Broadcasting System.
In the United States, radio station regulation has been the responsibility of the following agencies: In the list below, under the Listed by heading, "Zone" refers to the five regional zones established by the provisions of the Davis Amendment, which was in force from 1928 to 1936. Under the Source heading, "RSB" refers to the Radio Service ...