 The station was granted a construction permit in 1988 as KWSM in Sherman, co-owned with KTXO (1500 AM, now KJIM); it began broadcasting in December 1989.In its early years, KWSM programmed a classic hits format.In 1993 the station moved its license to Sanger, near Denton, and moved into the Dallas-Fort Worth market; when the new facility signed on in 1994, KWSM changed its format to classic country music.