The station originally signed-on the air in 1986 playing an adult contemporary format as WAPO, taking the former call-letters of what is now WGOW-AM in Chattanooga.
Logan Carmichael covered news and local events and could also be heard on weekends, and the station featured its own locally produced and hosted bluegrass show, Cold Mountain Bluegrass, hosted by Kyle Holland on Saturday mornings from 8:00am–10:00am Central Time.
WTNW was also the flagship station for Marion County High School Warriors football broadcasts each fall.
[2] The station filed for authorization with the FCC to go silent for an undetermined time, which was granted on January 30, 2017.
The FCC cancelled WTNW's license on March 12, 2019, due to the station having been silent since January 1, 2017.