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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 ...
Broadcasting in the United States. Broadcasting in the United States began with experiments with wireless transmission during the 19th century, with varying degrees of success. These transmissions were initially by radio hobbyists fascinated with the technology. Once techniques were perfected, radio became a necessity for military and ...
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 ...
List of radio stations in North America by media market; List of radio stations owned by Cumulus Media; List of radio stations owned by Townsquare Media; List of Spanish Broadcasting System radio stations; List of United States Coast Guard radio stations; List of United States radio networks; List of unlicensed high school radio stations
Regulation of radio was set in motion in 1910 when the US Congress felt legislation was needed over the infant wireless communication industry. [2] First regulated by an independent commission, radio grew exponentially during the 1920s and encouraged the development of broadcasting. [2] As a result, the Radio Act of 1927 was passed. [2]
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.
Television. In the United States, the Public Broadcasting Service (PBS) serves as the nation's main public television provider. When it launched in October 1970, PBS assumed many of the functions of its predecessor, National Educational Television (NET). NET was shut down by the Ford Foundation and the Corporation for Public Broadcasting after ...
The A.C. Nielsen company, which continues to measure television ratings today, took over American radio's ratings beginning with the 1949–50 radio season and ending in 1955–56. [40] During this era, nearly all of radio's most popular programs were broadcast on one of three networks: NBC Red, NBC Blue, or CBS' Columbia network.