|Broadcast area||Missoula, Montana|
|Branding||105.9 Jack FM|
First air date
|May 5, 2005|
Call sign meaning
|K Y JacK|
KYJK (105.9 FM, "105.9 Jack FM") is a commercial radio station licensed to Missoula, Montana, owned by Simmons Media Ventures, LLC, through licensee Missoula Broadcasting Company, LLC. KYJK airs an Adult Hits music format, using the trademarked "Jack FM" handle.
KYJK has filed an application for a U.S. Federal Communications Commission construction permit to increase its ERP to 2,000 watts.