Claim: From KKZZ-FM, KGMX changed its call letters to KGMX on February 14, 1990.
Evidence: On May 24, 1983, KOTE changed its call sign to KKZZ-FM. The station changed its call letters to KGMX on February 14, 1990 to accompany its new adult contemporary format, branded "K-Mix".