It is licensed to St. Charles, Missouri, and serves the St. Louis metropolitan area.
It broadcasts a radio format of adult album alternative music, with other genres also heard.
Its HD-2 digital subchannel is called "The Experience," offering a second stream of music.
KCLC underwent major facility upgrades in late August 2010.
It included a new antenna and transmitter, new studio hardware and software, and the capability for HD broadcasting.