- NBC affiliate, owned by Gannett Corporation. WKOP 15 - PBS member station WBXX 20 - CW affiliate, owned by ACME Television WTNZ 43 - Fox affiliate, owned by Raycom Media. WPXK 54 - Ion Television affiliate, owned by Paxson Communications WIVK-FM 107.7 - owned by Citadel Broadcasting Knoxville News Sentinel