Frequency1150 kHz
BrandingKSEN AM 1150
First air date
August 11, 1947 (1947-08-11)
Former call signs
KIYI (1947–1959)
Technical information
Facility ID67655
  • 10,000 watts day
  • 5,000 watts night
Transmitter coordinates
48°28′52″N 111°53′02″W / 48.48111°N 111.88389°W / 48.48111; -111.88389
WebcastListen Live

KSEN (1150 AM) is a radio station licensed to serve Shelby, Montana. The station is owned by Townsquare Media, and licensed to Townsquare License, LLC. It airs an oldies music format.[1]

The station's studios are at 830 Oilfield Avenue in Shelby, along with KZIN-FM. The transmitter site is south of town, along Interstate 15.

The station signed on August 11, 1947,[2] as KIYI.[3] It was assigned the KSEN call letters by the Federal Communications Commission[4] on May 27, 1959.[3]


In February 2008, Colorado-based GAPWEST Broadcasting completed the acquisition of 57 radio stations in 13 markets in the Pacific Northwest-Rocky Mountain region from Clear Channel Communications.[5] The deal, valued at a reported $74 million, included two stations in Shelby, six Bozeman stations, seven in Missoula, and five in Billings, Montana. Other stations in the deal are located in Casper and Cheyenne, Wyoming, plus Pocatello and Twin Falls, Idaho, and Yakima, Washington. GapWest was folded into Townsquare Media on August 13, 2010.[6]


  1. ^ "Station Information Profile". Arbitron. Archived from the original on March 1, 2010.
  2. ^ Broadcasting & Cable Yearbook 2010 (PDF). 2010. p. D-343. Retrieved March 26, 2023.
  3. ^ a b "KSEN history cards" (PDF). CDBS Public Access. Federal Communications Commission. Retrieved April 10, 2023.
  4. ^ "Call Sign History". FCC Media Bureau CDBS Public Access Database.
  5. ^ Richardson, Dave (February 15, 2008). "GAPWEST closes deal for Bozeman radio stations; Goodbye Clear Channel, Hello GAPWEST". Bozeman Daily Chronicle.
  6. ^ "Townsquare Media completes roll-up of GAP". Radio Business Report. August 13, 2010. Archived from the original on January 21, 2011. Retrieved August 15, 2010.