Wbbm-tv

WBBM-TV

WBBM-TV is the CBS owned-and-operated television station in Chicago, Illinois. It broadcasts a high definition digital signal on UHF channel 12 (virtual channel 2.1 via PSIP) from a transmitter atop the Willis Tower. Owned by the CBS Television Stations subsidiary of CBS Corporation, WBBM-TV maintains studios at the Block 37 development on State and Washington Streets in the Chicago Loop.