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
Turner Broadcasting System and the Turner Broadcasting campus off Techwood Drive in Midtown Atlanta, which also houses Turner Studios. Across Interstate 75/85 from the Techwood campus is the original home of Turner's WTBS superstation (now separated into its TBS cable network and Peachtree TV), which today houses the headquarters of Adult Swim and Williams Street Productions. Turner Broadcasting System traces its roots to a billboard company in Savannah purchased by Robert Edward Turner II in the late 1940s. Turner grew the business, which later became known as Turner Advertising Company. Robert Edward Turner's son, Ted Turner, inherited the company when the elder Turner