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.
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. With a power of 158kW, it is the most powerful transmitter in Europe at this time.[2]
24–30 July – Jehovah's Witnesses make the most extensive radio chain broadcast ever to air up to 1931. The broadcast is of a portion of the group's convention held in Columbus, Ohio, USA. The broadcast is carried by 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.[3]
27 January – Clara, Lu, and Em, the first daytime radio serial, debuts on the NBCBlue Network as a late-evening program.[7] On 15 February 1932, the show moves to its morning time slot.
2 September – Bing Crosby makes his solo debut on network radio and remains on air with at least one weekly show until the fall of 1962.[citation needed]
30 October – The Federal Communications Commission orders WCHI and WJAZ – two stations in the Chicago, Illinois, area – off the air in order to allow full-time operation for WCKY, Covington, Kentucky.[12]
18 December – The Federal Communications Commission orders WOQ, Kansas City, Missouri, and WMAK, Buffalo, New York, off the air: WOQ "to make way for KFH, Wichita, Kansas" and WMAK "because of an unsatisfactory showing of public interest", as reported in Broadcasting.[13][14]
Births
6 January – Dick Bertel, announcer, news anchor, and media executive at WTIC (AM), NBC Radio Network, and the Voice of America - host of The Golden Age of Radio from 1970 - 1977, an oral history of network radio entertainment programming
Cox, Jim (2008). This Day in Network Radio: A Daily Calendar of Births, Debuts, Cancellations and Other Events in Broadcasting History. McFarland & Company, Inc. ISBN978-0-7864-3848-8.