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 broadcasts an analog television signal on VHF channel 4 (66-72 MHz) and a digital television signal on UHF channel 58, using PSIP to display its virtual channel as 4 on digital television receivers and converter boxes. The station will move its digita… (More on Whbf)