This station was granted its original construction permit from the Federal Communications Commission on January 18, 1985. The new station was assigned the call letters KTLM by the FCC on December 3, 1985. During that time, the station featured a "Big Band" format, playing Swing Era music from the 1930s and 1940s. In March 1988, Louise E. Mann's Mann Broadcasting Company reached an agreement to transfer the permit for this station to The Great Southwest Broadcasting Company. The deal was approved by the FCC on April 27, 1988, and the transaction was consummated on September 13, 1988.