The station first signed on November 6, 1961, as KBYR-FM. The station went silent for a time after the 1964 Alaska earthquake; it became KAMU in 1966 and KWKO in 1969. From 1967 to 1973, KAMU/KWKO broadcast an easy listening format.
The station initially began broadcasting on November 6, 1961, as KBYR-FM. The station ceased operations temporarily after the 1964 Alaska earthquake; it was rebranded as KAMU in 1966 and KWKO in 1969. From 1967 to 1973, KAMU/KWKO aired a gentle listening format.