American Broadcasting Company its territories. ABC News provides news and features content for select radio stations owned by Citadel Broadcasting, which purchased the ABC Radio properties in 2007 (however relaunched in 2014). In the 1930s, radio in the United States was dominated by three companies: the Columbia Broadcasting System (CBS), the Mutual Broadcasting System, and the National Broadcasting Company (NBC). The last was owned by electronics manufacturer Radio Corporation of America (RCA), which owned two radio networks that each ran different varieties of programming, NBC Blue and NBC Red. The NBC Blue Network was created in 1927 for the primary purpose of testing
British Broadcasting Company to the original shareholders of the British Broadcasting Company Ltd. was Burndept Limited. It represented the interests of over twenty small electrical manufacturers in the UK. The British Broadcasting Company did not sell air time for commercials but its licence did allow for it to carry sponsored programming, and eight such sponsored broadcasts were aired in 1925. However, the main source of its income was from the sale of radio receiving sets and transmitters manufactured by its shareholding member companies as well as from a portion of the government (GPO) licence fee that had to be purchased by BBC listeners.