San Francisco’s KZAC-AM radio station, formerly 560 KSFO, has gone off the air as part of a broader restructuring by its owner, Cumulus Media. This year marks the 100th anniversary of the ...

Owens announced that after 40 years at KGO-AM, on April 4 he will be moving to the afternoon spot on KSFO Hot Talk radio, 560 AM. Leah Millis/The Chronicle KGO radio personality Ronn Owens.