WHP-TV (channel 21) is a television station licensed to Harrisburg, Pennsylvania, United States, serving the Susquehanna Valley region as an affiliate of CBS, MyNetworkTV, and The CW. Owned by the Sinclair Broadcast Group, the station has studios on North 6th Street in the Uptown section of Harrisburg, with the building bisected by the city line for Harrisburg and Susquehanna Township. Through a channel sharing agreement with Lancaster-licensed TBD affiliate WXBU (channel 15, owned by Sinclair partner company Howard Stirk Holdings), the two stations transmit using WHP-TV's spectrum from an antenna on a ridge north of Linglestown Road in Middle Paxton Township (it is co-located with WITF-TV and is distinguishable as the unlit red and white tower; WITF's tower is unpainted and flashes strobe