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City of license San Diego, California
Broadcast area San Diego, California
Branding ESNE Radio
Frequency 1240 kHz
First air date 1963 as KSON
Format Silent
Power 550 watts unlimited
Class C
Facility ID 30831
Transmitter coordinates 32°41′40.00″N 117°7′17.00″W / 32.6944444°N 117.1213889°W / 32.6944444; -117.1213889
Former callsigns KSON (1963-1996)
KDDZ (1996-1997)
KSON (1997-2009)[1]
Owner Donald Crawford
(Kiertron, Inc.)

KNSN (1240 AM, "ESNE Radio") is a radio station licensed to serve San Diego, California, USA. The station is owned by Donald Crawford's Crawford Broadcasting, through licensee Kiertron, Inc.

It broadcast a Spanish language Catholic format as "El Sembrador" from 2009 until late-July 2014.


KNSN (New-Left; Old-Right)

Previously, KNSN was a gospel music radio station, having that format from January 2007 until July 2007. Prior to that format, it had been a KidStar Radio affiliate from July 24, 1996, but that radio network was short-lived and merged with Radio Disney. Before that, KSON had a country music format that was simulcast with KSON-FM 97.3. KSON shares its antenna with KURS. During a heavy rain/wind storm in the end of December 2004, approximately half of the radio antenna tower collapsed and fell, leaving the tower at a height of about 200 feet. It had been 442 feet. The station was sold to Multicultural Broadcasting Inc. on June 1, 2009.[2][3]

On May 22, 2014, Crawford Broadcasting announced they would acquire KNSN for $1.5 million through licensee Kiertron, Inc.[4] The sale was consummated on July 25, 2014. [5] KNSN went silent in late-July 2014 in preparation for a new format under Crawford Broadcasting ownership. As a result, El Sembrador moved to KURS.


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