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  2. List of the initial commercial FM station assignments issued ...

    en.wikipedia.org/wiki/List_of_the_initial...

    On May 24, 1940, the FCC had announced the establishment, effective January 1, 1941, of an FM radio band operating on 40 channels spanning 42–50 MHz, with the first five channels (42.1 to 42.9 MHz) reserved for educational stations, and the other 35 (43.1 to 49.9 MHz) available for commercial operation. [1]

  3. 1940 in radio - Wikipedia

    en.wikipedia.org/wiki/1940_in_radio

    1 February: Radio Nacional de Colombia is launched as Radiodifusora Nacional de Colombia [1] three years after closure of the country's first state-owned radio station, HJN. 25 February: The Proud Valley is the first known film to have its première on radio when the BBC broadcasts a 60-minute version. [2]

  4. List of oldest radio stations - Wikipedia

    en.wikipedia.org/wiki/List_of_oldest_radio_stations

    The first shortwave station in Europe. 25 June 1926 (test transmissions began), and the first shortwave station in the world with its own dedicated programming rather than being a simulcast of an AM/MW or LW station such as KDKA. Regular broadcast from 30 May 1927 to May 1940 when the station went dark due to the German occupation of Holland ...

  5. FM broadcasting in the United States - Wikipedia

    en.wikipedia.org/wiki/FM_broadcasting_in_the...

    On January 5, 1940, Armstrong, working with the Yankee Network, demonstrated FM broadcasting in a long-distance relay network, via five stations in five states. [ 5 ] In May 1940, largely as the result of Armstrong's efforts, the FCC decided to eliminate the Apex band, and authorized an FM band effective January 1, 1941, operating on 40 ...

  6. Category:Radio stations established in 1940 - Wikipedia

    en.wikipedia.org/wiki/Category:Radio_stations...

    Pages in category "Radio stations established in 1940" The following 87 pages are in this category, out of 87 total. This list may not reflect recent changes .

  7. Golden Age of Radio - Wikipedia

    en.wikipedia.org/wiki/Golden_Age_of_Radio

    One of the FRC's most important early actions was the adoption of General Order 40, [11] which divided stations on the AM band into three power level categories, which became known as Local, Regional, and Clear Channel, and reorganized station assignments. Based on this plan, effective 3:00 a.m. Eastern time on November 11, 1928, most of the ...

  8. Radio in the United States - Wikipedia

    en.wikipedia.org/wiki/Radio_in_the_United_States

    In May 1940, the FCC authorized the creation, effective January 1, 1941, of an FM broadcasting band operating on forty 200-kHz wide channels spanning 42–50 MHz, with the first five channels reserved for non-commercial educational stations, and the other 35 available for commercial stations. [133]

  9. Category:1940s American radio programs - Wikipedia

    en.wikipedia.org/wiki/Category:1940s_American...

    Pages in category "1940s American radio programs" The following 200 pages are in this category, out of approximately 456 total. This list may not reflect recent changes .