Laura Ellen Hopper -- founded KFAT, KPIG (sfgate.com article)
Laura Ellen Hopper, a Santa Cruz radio personality who pioneered the "Americana" format of American roots music, has died from complications of lung cancer.
Ms. Hopper was 57 when she died May 28.
She founded alternative country station KFAT in Gilroy in 1975 and eclectic KPIG in Santa Cruz in 1988, and throughout her career retained a commitment to FM radio as a meeting ground for alternative ideas, music and community.
KPIG is an FM station but is also available in this area on 1510 khz. Here's a wikipedia article about KPIG, and a wikipedia article about the defunct KFAT.