1931 in radio

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The year 1931 saw a number of significant events in radio broadcasting history.


  • 23 April – Inauguration of the Swiss national medium-wave transmitter at Sottens by the French-language Société Romande de Radiophonie (SRR) and Radio-Genève.
  • 30 April – In France the Poste Colonial (also known as "Radio Coloniale") begins broadcasting to the French colonies from a shortwave transmitter at Pontoise.
  • 1 May – The Los Angeles Police Department's KGPL begins broadcasting.
  • 11 May – The Pittsburgh Police begin broadcasting with "radio patrol cars" and the region's first emergency band.
  • 24 May – Polskie Radio begins transmitting its national programme from a new long-wave station at Raszyn, outside Warsaw. It is the most powerful transmitter in Europe at the time.[citation needed]
  • 24-30 July- Jehovah's Witnesses make the most extensive radio chain broadcast ever to air up to 1931. The broadcast was a portion of a convention held in Columbus, Ohio, USA. The convention was broadcast via more than 450 radio stations in Australia, Canada, Europe and the United States.
  • 18 October - NBC replaces its NBC-Pacific nine-station network with two five-station networks, known informally as the Orange and Gold networks. Orange comprises KGO, Oakland; KFI, Los Angeles; KGW, Portland, KOMO, Seattle, and KHQ, Spokane. Gold comprises KPO, San Francisco; KECA, Los Angeles; KEX, Portland; KRJ, Seattle; and KGA, Spokane.[1]
  • 10 October - William Randolph Hearst buys WGBS, which was later named WINS after Hearst's International News Service.[2]
  • 1 November - NBC acquires half-interest in WMAQ, Chicago, Illinois, from the Chicago Daily News.[3]
  • (undated) November - KGKF, Little Rock, Arkansas, changes call letters to KARK.[4]





  1. ^ "Two Pacific Coast Networks Are Formed By the NBC After Buying Four Stations" (PDF). Broadcasting. 1 November 1931. Retrieved 30 September 2014. 
  2. ^ "Hearst Buys WBGS Plans Improvement" (PDF). Broadcasting. 15 October 1931. Retrieved 24 September 2014. 
  3. ^ "NBC Acquires WMAQ". Broadcasting in Chicato, 1921-1989. Retrieved 29 September 2014. 
  4. ^ "KARK New Call" (PDF). Broadcasting. 1 December 1931. Retrieved 30 September 2014. 
  5. ^ Sies, Luther F. (2014). Encyclopedia of American Radio, 1920-1960, 2nd Edition. McFarland & Company, Inc. ISBN 978-0-7864-5149-4. Pp. 145-146.
  6. ^ a b c Cox, Jim (2008). This Day in Network Radio: A Daily Calendar of Births, Debuts, Cancellations and Other Events in Broadcasting History. McFarland & Company, Inc. ISBN 978-0-7864-3848-8.
  7. ^ a b c d e f g Dunning, John. (1998). On the Air: The Encyclopedia of Old-Time Radio. Oxford University Press. ISBN 978-0-19-507678-3.
  8. ^ "Voice of Iron Range" (PDF). Broadcasting. February 15, 1932. Retrieved 1 October 2014. 
  9. ^ "Six More Stations Ordered Silenced" (PDF). Broadcasting. November 1, 1931. Retrieved 30 September 2014. 
  10. ^ "Two More Stations Ordered Deleted" (PDF). Broadcasting. 1 January 1932. Retrieved 30 September 2014.