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  2. Satellite radio - Wikipedia

    en.wikipedia.org/wiki/Satellite_radio

    Satellite radio uses the 2.3 GHz S band in North America for nationwide digital radio broadcasting. [6] MobaHO! operated at 2.6 GHz. In other parts of the world, satellite radio uses part of the 1.4 GHz L band allocated for DAB. [7] Satellite radio subscribers purchase a receiver and pay a monthly subscription fee to listen to programming.

  3. Radio in the United States - Wikipedia

    en.wikipedia.org/wiki/Radio_in_the_United_States

    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.

  4. Timeline of radio - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_radio

    1963: Color television was commercially transmitted, and the first (radio) communication satellite, TELSTAR, was launched. In the late 1960s, the U.S. long-distance telephone network began to convert to a digital network, employing digital radios for many of its links. 1970s: LORAN became the premier radio navigation system.

  5. Sirius Satellite Radio - Wikipedia

    en.wikipedia.org/wiki/Sirius_Satellite_Radio

    Sirius Satellite Radio Inc. was a satellite radio and online radio service operating in North America, owned by Sirius XM Holdings. Headquartered in New York City, with smaller studios in Los Angeles and Memphis , Sirius was officially launched on July 1, 2002.

  6. Music radio - Wikipedia

    en.wikipedia.org/wiki/Music_radio

    Therefore, satellite radio rarely carries commercials or tries to raise money from donors. The lack of commercial interruptions in satellite radio is an important advantage. Often the only breaks in a satellite music station's programming are for station identification and DJ introductions. Internet radio stations exist that follow all of these ...

  7. History of radio - Wikipedia

    en.wikipedia.org/wiki/History_of_radio

    Regularly scheduled broadcasts of voice and music began in January 1921. That station is still on the air today as WHA. [93] On August 20, 1920, 8MK, began broadcasting daily and was later claimed by famed inventor Lee de Forest as the first commercial station. 8MK was licensed to a teenager, Michael DeLisle Lyons, and financed by E. W. Scripps.

  8. Golden Age of Radio - Wikipedia

    en.wikipedia.org/wiki/Golden_Age_of_Radio

    The Mighty Music Box: The Golden Age of Radio. Los Angeles, CA: Amber Crest Books. ISBN 0-86533-000-X; Dunning, John. (1976). Tune in Yesterday: The Ultimate Encyclopedia of Old-Time Radio 1925–1976. Englewood Cliffs, NY: Prentice Hall. ISBN 0-13932-616-2. Ellett, Ryan (2012). Encyclopedia of Black Radio in the United States, 1921–1955.

  9. American Top 40 - Wikipedia

    en.wikipedia.org/wiki/American_Top_40

    KKBT in American Samoa is the only radio station in an American territory that airs the show. In Canada, more than 50 stations air AT40, most being owned by IHeartRadio and Golden West Broadcasting. The Move Radio stations air the show as Move Radio's Exclusive AT40 with some songs omitted and replaced with songs by Canadian artists. [42]