 WHXR signed on the air in 1974 as top 40 station WJBQ-FM (no relation to the current WJBQ in Portland); in 1981, the station swapped formats and call signs with 97.9 FM, becoming classical music station WDCS.It became WPKM in 1988, and in 1998 joined the WBACH network as WBQW.On October 2, 2008, the station switched call signs and programming with 104.7 (which operated with the WBACH classical music programming as WBQW until 2012, when it became top 40 station WHTP).