Big Stack 103.9 is a classic rock station serving Great Falls, Montana. Owned by Townsquare Media, it airs on 103.9 FM (translator K280GG) and the HD4 subchannel of KMON-FM 94.5, playing rock icons of the 70s and 80s along with local news, weather and traffic. Weekday mornings feature The Free Beer & Hot Wings Show.
