CBS Radio [SEP] inception
became a division of Viacom; in 2005, Viacom spun CBS and Infinity Broadcasting back into a separate company, and the division was renamed CBS Radio. It was the last radio group left to be tied to a major broadcast television network, as NBC divested its radio interests in the 1980s, and ABC sold off its division to Citadel Broadcasting (now part of Cumulus Media) in 2007.
Early origins.
CBS Radio is one of the oldest units within CBS Corporation, and has been around since 1928. However
CBS television network since its inception, as WWL radio had been (and still is) an affiliate of the CBS Radio Network since 1935. Channel 4 competed head-to-head with NBC affiliate WDSU for first place during the 1960s and 1970s. However, after Edgar B. Stern, Jr. sold WDSU to South Carolina-based Cosmos Broadcasting in 1972, it began deemphasizing local features in favor of its highly regarded newscasts. By comparison, WWL, as the only locally owned station, heavily stressed its local roots. By