	The station began broadcasting on January 29, 1965, holding the call sign WTMB-FM. It was owned by The Tomah-Mauston Broadcasting Company. In the 1960s, it simulcast the AM 1460 WTMB from dawn until 2 p.m. It broadcast in FM stereo, airing an easy listening format, and was the largest easy listening FM station in Wisconsin. In the 1970s, the station aired a MOR format, as a partial simulcast with 1460 WTMB. In the early 1980s, its simulcast ended, and it aired MOR music, talk, and farm programming independently.