KDFC is the radio home of the San Francisco Symphony and the San Francisco Opera. Classical KDFC is a set of broadcast radio stations in San Francisco, California, United States area, providing Classical music on KOSC 90.3 FM in San Francisco, Berkeley, Oakland; KXSC 104.9 FM in the South Bay and Peninsula area; KDFC 89.9 FM in The Wine Country; and on translators frequencies 92.5 FM in the Ukiah-Lakeport area and 90.3 FM in Los Gatos and Saratoga.