|Broadcast area||Tri-Cities, Tennessee|
|Branding||104.9 Nash Icon|
|Slogan||Country For Life|
|First air date||1979 (as WGAT-FM)|
|Former callsigns||WGAT-FM (1979-1981)
(Radio License Holding CBC, LLC)
|Sister stations||WGOC, WJCW, WQUT, WXSM|
This station was WGAT-FM Mar. 13, 1979, WZXY on Oct. 14, 1981, and changed to its current call letters on July 1, 1991. In 1967, the phone hacker Captain Crunch created a radio station called WKOS [W-"chaos"], a pirate station in nearby Dover-Foxcroft, but had to shut it down when a legitimate radio station, WDME, objected.  the format was a Oldies under their new call letter WKOS, the new slogan was ("Good Times Great Oldies, WKOS Oldies 104.9 FM") 
On April 24, 2015 WKOS rebrnaded as "104.9 Nash Icon".
In 2007, the East Tennessee State University men's basketball Team moved its games from WJCW to WKOS. This marked the first time the team was heard on FM radio. This has since been moved to AM 640 WXSM, a sister station. 
- http://fjallfoss.fcc.gov/cgi-bin/ws.exe/prod/cdbs/pubacc/prod/call_hist.pl?Facility_id=67674&Callsign=WKOS, Retrieved on 2009-03-26.
- Radio Station WKOS 104.9 FM Retrieved on 2009-03-26.
- WKOS Shifts From Nash to Nash Icon
- ETSU BASKETBALL MOVES TO WKOS RADIO Retrieved on 2009-03-26.
- WKOS official website
- Query the FCC's FM station database for WKOS
- Radio-Locator information on WKOS
- Query Nielsen Audio's FM station database for WKOS
- A commercial for WZXY ("Y-105") from 1982
- One of the commercials for WZXY, as a Top 40 station