KJACK (1680 AM) is a student-run college radio station serving the Northern Arizona University campus in Flagstaff, Arizona, USA. The station broadcasts a variety of music in a freeform format, as well as campus and high school sports coverage. The station operates out of the NAU School of Communication on the school's Flagstaff campus.
KJACK is run by the students of Northern Arizona University, with students hosting shows in one hour blocks featuring music, sports, pop culture, politics and news. In 2013, the station applied to the FCC for an FM broadcasting license.KJACK was granted an FM construction permit to broadcast on 107.1 FM with the call letters KLJX-LP. The station hosts an annual arts festival in downtown Flagstaff andbroadcasts NAU's D2 and D3 hocky games.