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KMXA SuperEstrella1090 logo.jpg
City Aurora, Colorado
Broadcast area Denver, Colorado
Branding Super Estrella 1090
Frequency 1090 kHz (also on HD Radio)
First air date September 12, 1972
Format Spanish CHR
Power 50,000 watts day
500 watts night
Class B
Facility ID 10057
Transmitter coordinates 39°39′53″N 104°39′24″W / 39.66472°N 104.65667°W / 39.66472; -104.65667
Former callsigns KLSZ (1984-1985)
KLSC (1985-1987)
KYBG (1987-1996)
Affiliations Univision
Owner Entravision Communications Corporation
(Entravision Holdings, LLC)
Webcast Listen Live

KMXA is a Spanish AM radio station owned by Entravision. It broadcasts on 1090 kHz AM. It is licensed to Aurora, Colorado and serves the Denver, Colorado area.

Up until the 2012 season, KMXA carried live play-by-play of the Colorado Rockies of Major League Baseball.


The station went on the air as KLSZ on September 12, 1972. On 1985-09-25, the station changed its call sign to KLSC. On 1987-04-01 to KYBG and finally on 1996-06-07 to the current KMXA.[1] In the late 1980s and into the 1990s, the station, under the call sign KYBG, was the first all-sports radio station west of the Mississippi River. Irv Brown was an early host on the station as well.

In 2009 the station began simulcasting sister station KXPK 96.5 FM. Later the station broadcast the 'Jose' Spanish Oldies format, which is now at KJMN 92.1 FM.

As of June 3, 2015 the station now broadcasts the Entravision "Super Estrella" Spanish CHR format.

In the 1980s, the station's callsign was KLDR (now used by a station in Medford, Oregon). The station's format was current and oldies top 40, with the playlist totally determined by listeners' requests. It promoted itself as "Colorado's all-request station." KLDR also carried broadcasts of Colorado State Rams football.


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