WHBF refers to three broadcasting stations licensed to Rock Island, Illinois.The former WHBF-AM on 1270 KHz, now WKBF.The former WHBF-FM on 98.9 MHz, now WLKU.WHBF-TV, a CBS Television Network affiliate, branded as CBS 4 the Quad Cities, which formerly broadcast an analog television signal on VHF channel 4 (66-72 MHz) and a digital television signal on UHF channel 58 (734-740 MHz), using PSIP to display its virtual channel as 4 on digital television receivers and converter boxes. The station mov… (More on Whbf)