KDON-FM has an effective radiated power of 15,000 watts, its transmitter is on San Juan Grade Road, atop Fremont Peak in Prunedale, California.
[2] Its original call sign was KSBW-FM, the counterpart to KSBW 1380 AM (now off the air) and KSBW-TV Channel 8 (now owned by Hearst Television).
KSBW-FM at first simulcast the programming on KSBW 1380 AM, by the late 1960s it was broadcasting an automated beautiful music format.
It featured quarter-hour sweeps of soft instrumental cover versions of adult pop music, with limited talk and commercials.
The format evolved into Rhythmic Contemporary by 1988 and since then has remained one of the highest rated stations in the Monterey-Salinas-Santa Cruz radio market.