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City San Jose, California
Broadcast area San Francisco Bay Area
Branding La Kaliente
Frequency 1370 kHz
First air date 1947
Format Regional Mexican
Power 5,000 watts
Class B
Facility ID 68841
Transmitter coordinates 37°21′28″N 121°52′17″W / 37.35778°N 121.87139°W / 37.35778; -121.87139
Former callsigns KEEN (1947-1993)
KKSJ (1993-1998)
Affiliations La Kaliente
Owner Carlos A. Duharte
Webcast Listen Live

KZSF (1370 AM) is a radio station broadcasting a Regional Mexican format in the San Francisco Bay Area. Licensed to San Jose, California, United States. The station is currently owned by Carlos A. Duharte.[1]


KZSF came on the air in 1947 as KEEN and had a country music format. The station was assigned the KKSJ call letters on October 11, 1993 (formerly Magic 61 KFRC 610) becoming Magic KKSJ. On January 20, 1998, the station changed its call sign to the current KZSF.[2]


  1. ^ "KZSF Facility Record". United States Federal Communications Commission, audio division. Retrieved 2010-07-18. 
  2. ^ "KZSF Call Sign History". United States Federal Communications Commission, audio division. 

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