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Historical interval signal of the BBC RAVAG interval signal, clock ticking 270/min (9 in 2 sec). An interval signal, or tuning signal, is a characteristic sound or musical phrase used in international broadcasting, numbers stations, and by some domestic broadcasters, played before commencement or during breaks in transmission, but most commonly between programs in different languages.
A handful of radio programs from the old-time era remain in production, all from the genres of news, music, or religious broadcasting: the Grand Ole Opry (1925), Music and the Spoken Word (1929), The Lutheran Hour (1930), the CBS World News Roundup (1938), King Biscuit Time (1941) and the Renfro Valley Gatherin' (1943). Of those, all but the ...
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 ...
Shipping forecasts were first broadcast by telegraph in 1859 and the first radio broadcast in the current format was broadcast in 1924. [4] [5] Grand Ole Opry: 99 67 by Jimmy Dickens: WSM: 28 November 1925 Over 5,000 Live country music [6] Choral Evensong: 98 BBC: 7 October 1926 Longest running live outside broadcast programme in radio history.
The CBS Radio network, founded in 1927, never adopted anything similar, instead keying its network switching to the standard phrase "This is the Columbia Broadcasting System". [20] Initially NBC had two national networks, the NBC Red Network and the NBC Blue Network , however the Federal Communications Commission (FCC) was unhappy with this and ...
1XE: Launched by Harold J. Power in Medford, Massachusetts, 1XE was an experimental station that started broadcasting in 1917. It had to go off the air during World War I, but started up again after the war, and began regular voice and music broadcasts in 1919. However, the station did not receive its commercial license, becoming WGI, until ...
Lee de Forest broadcasting Columbia phonograph records on New York station 2XG in 1916. In 1892, Emile Berliner began commercial production of his gramophone records, the first disc records to be offered to the public. The earliest broadcasts of recorded music were made by radio engineers and experimenters.
Music radio is a radio format in which music is the main broadcast content. After television replaced old time radio 's dramatic content, music formats became dominant in many countries. Radio drama and comedy continue, often on public radio .