WKOS (104.9 FM), branded as "104.9 Nash Icon", is a radio station serving the Tri-Cities, Tennessee, area with country music.

[1] In the early 1980s, WGAT-FM became WZXY, an album-oriented rock station branded "Y105".

Through much of the 1990s and a large part of the 2000s, the format was oldies under its new callsign WKOS,[3][citation needed] and then adult hits.

The station was called "The Peak" when it changed to hot adult contemporary.

[6] In 2007, the East Tennessee State University men's basketball Team moved its games from WJCW to WKOS.