Frequency107.1 FM
BrandingKJACK Radio
OwnerNorthern Arizona University
First air date
Call sign meaning
Technical information
Facility ID193094
Power100 watts

KLJX-LP ("KJACK", 107.1 FM) is a student-run college radio station serving the Northern Arizona University campus in Flagstaff, Arizona, United States. 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.[1] KJACK was granted an FM construction permit to broadcast on 107.1 FM with the call letters KLJX-LP, and was issued its license to cover on November 23, 2015. As of 2020, the station manager is Jimmy Moreau.[2][3] The station hosts an annual arts festival in downtown Flagstaff and[4][5] broadcasts NAU's D2 and D3 hockey games.[6]


  1. ^ "FM Query Results -- Audio Division (FCC) USA".
  2. ^ "FCC License" (PDF).
  3. ^ "KJack Converts to FM". The Lumberjack.
  4. ^ "KJack Live Arts Festival". NAZ Today.
  5. ^ "KJack Day". The Lumberjack. Archived from the original on 2014-04-18. Retrieved 2014-04-18.
  6. ^ "NAU Hockey Games". NAU Ice Jacks.

35°11′21″N 111°39′21″W / 35.1891°N 111.6558°W / 35.1891; -111.6558