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
Manila Broadcasting Company radio and DZRH News Television, Aksyon Radyo, Love Radio, Yes The Best, Easy Rock, and Radyo Natin; operated either directly by MBC, or through its affiliates Pacific Broadcasting Systems, Cebu Broadcasting Company, Radyo Natin Network, and Philippine Broadcasting Corporation. DZRH News Television, which is an extension of the DZRH brand into an audio-visual platform, is carried by some 1,000 cable providers throughout the Philippine archipelago. The current president of MBC is Ruperto Nicdao Jr. The origins of MBC can be traced to DZRH, which first went on air as KZRH on the morning of July 15, 1939 by the Heacock