Claim: From KKZZ-FM, KGMX changed its call letters to KGMX on February 14, 1990, and was nominated for a Diamond Radio Award (which is presented annually by the National Association of Broadcasters to American radio stations) in 1994.
Evidence: KGMX was nominated for a Crystal Radio Award in 1994 for its community service efforts. The NAB Crystal Radio Awards are presented annually by the National Association of Broadcasters to American radio stations. 
1994 NAB Crystal Radio Awards Nominated The NAB Crystal Radio Awards are presented annually by the National Association of Broadcasters to American radio stations.