KYW-TV, virtual channel 3 (UHF digital channel 30), is a CBS owned-and-operated television station licensed to Philadelphia, Pennsylvania, United States. The station is owned by the CBS Television Stations subsidiary of ViacomCBS, as part of a duopoly with CW East Coast flagship WPSG (channel 57). The two stations share studios on Hamilton Street north of Center City; KYW-TV's transmitter is located in the Roxborough section of Philadelphia. KYW-TV, along with sister station KDKA-TV in Pittsburgh, are the only CBS-affiliated stations east of the Mississippi River with "K" call signs.