KEEN Radio, San Jose
This coverage map, showing the area blanketed by KEEN’s 5000-watt signal, was included in the station’s sales package during the late 1970s. KEEN, which broadcast from San Jose on 1370 kHz., debuted in June 1947 and went off the air on December 31, 1992. It returned to the air in April 1995 as KKSJ and later became KZSF.
SOURCE: Bay Area Radio Digest Collection.