KSUP is a commercial music radio station in Juneau, Alaska, broadcasting on 106.3 FM. The station changed from a rock format in the spring of 2007. The station is branded as MIX 106.In June 2008, MIX 106 and its sister station, KINY, were bought by Alaska Broadcast Communications. The stations studios are at the Juneau Radio Center, also home to sister stations KTKU, KINY and KJNO.