High Quality Content by WIKIPEDIA articles! WNBC, virtual channel 4 (digital channel 28), is the flagship station of the NBC television network, located in New York City. WNBC`s studios are co-located with NBC corporate headquarters at 30 Rockefeller Plaza in midtown Manhattan, and its transmitter is based at the Empire State Building. WNBC is a sister station to Linden, New Jersey-based WNJU (channel 47, flagship of the co-owned Telemundo network), and is a corporate cousin to SportsNet New York, which is majority-owned by Comcast, the corporate parent of NBCUniversal. The station is the oldest fully licensed television station in continuous operation in the United States.