 In August 1998, the station made the switch to a sports radio format affiliated with ESPN Radio, changed its call letters to WTJK, "The Jock" and began marketing itself to the Janesville and Rockford, Illinois areas.In 2001, Shelly Salter, CEO of Salter Broadcasting Company (SBC) and daughter of Russ Salter, sold the station to Good Karma Broadcasting.WTJK became the first ESPN Radio station for Good Karma Broadcasting.