 In 1990 the station switched to country music as KBCK (K-Buck), carrying Buck Owens' "Real Country" Network.In 1992, the station got a major power boost and increase in antenna height while moving to 105.7 MHz, now covering much of the Salt Lake City metropolitan area.The call sign changed to KUMT, as "105.7 The Mountain," airing an adult album alternative (AAA) format.