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  2. Radio broadcasting - Wikipedia

    en.wikipedia.org/wiki/Radio_broadcasting

    Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio station, while in satellite radio the radio waves are broadcast by a satellite in Earth orbit.

  3. Radio in the United States - Wikipedia

    en.wikipedia.org/wiki/Radio_in_the_United_States

    There are also radio stations broadcasting in the Navajo language to members of the Navajo tribe in Arizona, New Mexico, and Utah. [18] Spanish language radio is the largest non-English broadcasting media. While other foreign language broadcasting declined steadily, Spanish broadcasting grew steadily from the 1920s to 1970s.

  4. List of radio broadcast networks - Wikipedia

    en.wikipedia.org/wiki/List_of_radio_broadcast...

    Radio Eska - contemporary hit radio (Target Demographic 13-29) (40 local stations) Eska Rock - mainly rock music (local station broadcasting in Warsaw ) VOX FM - mostly Disco Polo

  5. List of United States radio networks - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    Radio Maria; Redeemer Broadcasting; Relevant Radio; Sheridan Gospel Network; Smile FM (Michigan) Sound of Life Radio; Three Angels Broadcasting Network (3ABN Radio Network) 3ABN Latino Radio Network (Spanish-language Christian radio, owned by 3ABN) 3ABN Radio Music Channel (Christian music radio, owned by 3ABN) USA Radio Network; VCY America ...

  6. List of most-listened-to radio programs - Wikipedia

    en.wikipedia.org/wiki/List_of_most-listened-to...

    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.

  7. Live radio - Wikipedia

    en.wikipedia.org/wiki/Live_radio

    The resistance between Congress and radio broadcasting companies continued over the next couple of years. Broadcasters were banned, secretly planting microphones to listen in on proceedings, until March 1939, when more than 400 radio stations broadcast the 150th anniversary of the first session of Congress using microphones in the House Chamber.

  8. AM broadcasting - Wikipedia

    en.wikipedia.org/wiki/AM_broadcasting

    AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave (also known as "AM band") transmissions, but also on the longwave and shortwave radio bands.

  9. Regulation of radio broadcast in the United States - Wikipedia

    en.wikipedia.org/wiki/Regulation_of_radio...

    Replacing the Federal Radio Commission, the FCC not only regulates radio and television broadcasting under the authority of Federal law, but telephone, telegraph, and cable television. [1] A guideline included in the Communications Act, the Fairness Doctrine, was created to enforce restrictions on radio and television broadcasting until 1987. [3]