WFAN (AM) sell off one of its radio networks. The company decided to keep the Red Network, and it was rebranded as the NBC Radio Network after the Blue Network was divested to Edward J. Noble, which was later renamed the American Broadcasting Company (ABC). WEAF's call letters were changed to WNBC in 1946, then to WRCA in 1954, and back to WNBC in 1960. During the 1960s, WNBC relied less on network programming and adopted a talk format, followed by a switch to a MOR music sound. The station spent much of the 1970s and early 1980s flipping between the Top
Library of American Broadcasting to its new location. Now housed in the Broadcasting Archives at the University of Maryland, the Library of American Broadcasting is a wide-ranging collection of audio/video recordings, books, pamphlets, periodicals, personal collections, photographs, scripts, and vertical files devoted exclusively to the history of broadcasting. LAB holds many collections of note, including the papers of Sol Taishoff, founder of the influential industry publication "Broadcasting"; the papers of Helen J. Sioussat, director of the Talks Department at CBS (1937–58); the scrapbooks of Edward J. Kirby, chief of the radio branch of the War Department in World War II; and the papers of