streaming, KDFC was the first radio station in the country to broadcast in digital HD Radio, offering a secondary HD Radio channel, KDFC-2, featuring longer classical pieces and vocal works, without commercials on their former 102.1 FM frequency. A multiple winner of the award for public service, KDFC is an active partner to arts groups and an active advocate for music education. Proceeds from the station's annual CD sampler, and the annual 'Music Educator of the Year' support and celebrate public school music programs. Additional frequencies In addition to KOSC, the programming of KDFC is transmitted by these stations and translators to widen its broadcast area. KDFC — 90.3 FM, licensed to San Francisco, California KXSC — 104.9 FM, licensed to Sunnyvale, California KDFG — 103.9 FM, licensed to Seaside, California K212AA — 90.3 FM, licensed to Los Gatos, California K223AJ — 92.5 FM, licensed to Lakeport, California References External links Classical music radio stations in the United States Napa County, California OSC NPR member stations Radio stations established in 1981 1981 establishments in California University of Southern California