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1920 in radio details the internationally significant events in radio broadcasting for the year 1920. == Events == * In January the first informal and spasmodic broadcasts in Great Britain are made by the Marconi Company from Chelmsford. These broadcasts include both speech and music.〔The Shell Book of Firsts, 1983. pp. 145–8〕 * Radio 2XG (see 1919) is forced to close down after Lee De Forest moves the station from the Bronx (where it was licensed) to Manhattan (where it was not).〔 * 23 February to 6 March – The Marconi Company broadcasts from Chelmsford a series of 30-minute shows repeated twice daily. These include live music performances.〔 * 15 June – Dame Nellie Melba is the first professional artiste to broadcast in Britain.〔 * 20 August – Station 8MK in Detroit is the first in the world to broadcast news bulletins. The news in compiled from reports supplied by the ''Detroit News''.〔 * 27 August – Sociedad Radio Argentina airs a live performance of Richard Wagner's opera ''Parsifal'' from the Teatro Coliseo in Buenos Aires. Only about twenty homes in the city have a receiver with which to tune into the broadcast. * November – The broadcasts from Chelmsford cease after it is claimed they interfere with aircraft and ship communications.〔 (See also 1922) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「1920 in radio」の詳細全文を読む スポンサード リンク
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