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For the former occupant of the 102.1 FM frequency in San Francisco, see KDFC-FM.
City of license San Francisco, California
Broadcast area San Francisco Bay Area
Branding 98.5 & 102.1 K-FOX
Frequency 102.1 MHz (also on HD Radio)
First air date 1946 (as KDFC)
January 24, 2011 (as KUZX)
Format Classic rock
ERP 33,000 watts
HAAT 319 meters
Class B
Facility ID 65486
Callsign meaning variation of KUFX, its sister simulcast station
Former callsigns KDFC (1946-2011)
Affiliations Independent
Owner Entercom Communications
Sister stations KGMZ, KOIT, KUFX, KBLX
Webcast Listen Live
Website kfox.com

KUZX (102.1 FM) is a classic rock-formatted radio station in San Francisco, California. It is owned by Entercom Communications. As of noon January 24, 2011, the station is simulcasting the programming of sister station KUFX in San Jose. The station is referred to on-air as K-FOX.

The 102.1 frequency transmits its signal from Mount Beacon atop the Marin Headlands above Sausalito, California, while studios are located in the SoMa district of San Francisco.


From its beginning in 1946 until 2011, the 102.1 FM frequency was always known as KDFC. The station was founded in 1946 by Ed Davis, and programmed classical music for most of its history, though at one point during the 1950s, it featured a beautiful music format.[citation needed]

For many years the programming, which was largely automated after 1976, was simulcast on KIBE, a daytime-only 5 kW AM station in Palo Alto, California that began broadcasting in 1949 from a transmitter near the western approach to the Dumbarton Bridge and is now KDOW, a news-talk station.[citation needed] It also had a booster station in Concord, which fills in coverage gaps caused by topography issues.[citation needed]

Ed Davis' company Sundial Broadcasting sold the AM and FM to Brown Broadcasting Corporation (BBC) in 1993 for US$15.5 Million. In 1996 BBC sold the FM station and AM simulcast sister station (KDFC 1220) to Evergreen Media, who in turn sold the FM to Bonneville Broadcasting and the AM to Douglas Broadcasting in 1997. New station management transitioned KDFC's programming to a more mass-appeal approach, which boosted ratings significantly, though was occasionally criticized for their new "top 40 of classical music" approach.

Bill Leuth, who had done mornings on rival classical station KKHI, moved to mornings at KDFC in 1997 and also contributed to the station's rise and shift from automation to live hosts.[citation needed] In 2003 KDFC became the first station in the Bay Area to broadcast using HD Radio.[citation needed]

Sale to Entercom[edit]

On January 18, 2007, Bonneville signed an agreement with Entercom Communications Corporation to trade three San Francisco stations — KOIT, KMAX, and KDFC — for three Entercom stations in Seattle, Washington and four in Cincinnati, Ohio. Entercom officially took ownership of KDFC in March 2008.[citation needed]

KDFC makes non-commercial move; K-FOX takes 102.1[edit]

The University of Southern California announced, on January 18, 2011, the purchase of KUSF (90.3 MHz) from the University of San Francisco. That same day, a deal, in the works for months prior, was announced to acquire the intellectual property and call letters of KDFC from Entercom, thus making KDFC a listener-supported non-commercial outlet, operated by a San Francisco-based non-profit organization,[1] and also simulcasts on newly acquired KNDL (89.9 MHz) in Santa Rosa.[2]

Entercom, in turn, flipped the 102.1 MHz frequency to a simulcast of San Jose station KUFX, which Entercom acquired earlier in the month, on January 24. The final piece KDFC played on 102.1 was "Fanfare for the Common Man" by Aaron Copland as performed by the Cincinnati Pops Orchestra, while the first song in the simulcast was "Roll Over Beethoven" by Electric Light Orchestra.


  1. ^ http://www.radioink.com/Article.asp?id=2085770&spid=24698
  2. ^ http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2011/01/18/DDV71H9VL2.DTL&tsp=1

External links[edit]

Coordinates: 37°51′04″N 122°29′56″W / 37.851°N 122.499°W / 37.851; -122.499