KFXS (100.3 FM, "Real Rock 100.3 The Fox") is a radio station licensed to serve Rapid City, South Dakota. The station is owned by HomeSlice Media Group, LLC. It airs a heritage rock music format. Notable on-air personalities include D. Ray Knight (weekdays 6-10), Jake Michaels (weekdays 10-2) and Gunner (weekdays 2-7) plus syndicated show Steve Gorman Rocks (weeknights 7-midnight). The station was assigned the KFXS call letters by the Federal Communications Commission on October 28, 1994.