KZAH (99.1 FM) is a Red dirt country formatted broadcast radio station. The station is licensed to Harper, Texas and serves Harper, Kerrville, and Fredericksburg in Texas. KZAH is owned and operated by JAM Broadcasting, LLC.
On January 8, 2023, KZAH changed its format from adult hits (which moved to KAXA 103.7 FM Mountain Home) to Texas/Red Dirt country, branded as "99.1 The Buck".