KMCN went on the air at the 97.7 FM frequency as KNJY on July 1,1980, and changed its call sign to KCLN-FM on June 15,1987.
KMCN went on the air at the 97.7 FM frequency as KCLN-FM in December, 1970. KNJY then changed its call sign to back to KCLN-FM on June 15,1987.