kdtr (103.3 fm, "trail 103.3") is a commercial radio station licensed to florence, montana, and serving the missoula, montana area, owned by missoula broadcasting company, llc. kdtr airs an adult album alternative music format. current on-air personalities are robert chase, formerly of chicago's q101 on mornings 6:00am to noon followed by tommy evans, a missoula native, from noon to 9:00.