WKCH (106.5 FM ) is a radio station broadcasting a classic hits music format. Licensed to Whitewater, Wisconsin , United States. The station is currently owned by NRG Media through licensee NRG License Sub, LLC.
The station was assigned the call letters WRLM on May 28, 1993. On September 1, 1993, the station changed its call sign to WISQ. Then, on June 14, 1996, its call letters were changed to WKCH.
In the 1990s the station simulcasted sister station WFAW until 1999 when it began running oldies music without imaging. It finally became "Kool FM K-106" by the end of 1999 then later reimaged to its current moniker "KOOL 106.5". On March 3, 2016 WKCH shifted its format from oldies to classic hits.