WLS-TV, virtual channel 7, is a television station in Chicago, Illinois, USA. The station isowned and operated by Walt Disney Company-owned American Broadcasting Company. The station operates their full power digital operations on UHF channel 44, with their digital fill-in translator on VHF channel 7. Both operating frequencies are transmitted from the Willis Tower. WLS-TV produces its broadcasts at 190 North State Street in The Loop and The WLS-TV call letters stand for "World's Largest Store," recognizing their AM sister station's founding part-owners, Sears, Roebuck and Company.