WYKX (104.7 FM) is a radio station broadcasting a country music format. Licensed to Escanaba, Michigan, it first began broadcasting in 1977 under the WFNN call sign. It is locally owned and operated by KMB Broadcasting along with adult standards sister station WDBC 680 AM. In the late 1970s and early 1980s, WFNN was "Fun 104," an automated Top 40 station. Most programming was separate from WDBC, with a few exceptions including simulcasts of Casey Kasem's American Top 40.