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City Casas Adobes, Arizona
Broadcast area Tucson, Arizona
Branding La Poderosa
Frequency 105.3 MHz
First air date 1988
Format Regional Mexican
ERP 580 watts
HAAT 581.0 meters (1,906.2 ft)
Class C3
Facility ID 36022

KZLZ (105.3 FM) is a Regional Mexican radio station that serves Tucson, Arizona. KZLZ is licensed to broadcast from Casas Adobes, Arizona. KZLZ was owned by Entravision Communications Corporation until September 5, 2006, when it was acquired by Todd Robinson for $4,750,000. On December 1, 2006, the FCC approved the voluntary transfer of the license to KZLZ, LLC.


In the early 1990s, KCDX was known as 'X 105.3', and was a rock station. Programming was delivered via satellite.

In 1993 KCDX was sold to Entravision, who changed the call letters to KZLZ, and flipped the format to Spanish language Regional Mexican.

Signal and Boosters[edit]

Because of the distance between the KZLZ transmitter and the station's target market (Tucson), KZLZ uses two boosters to strengthen the signal in Tucson.

KZLZ-FM1 and KZLZ-FM2 are licensed to Tucson, and the transmitters are located in northeast Tucson. KZLZ-FM1 operates with an ERP of 40 watts, and KZLZ-FM2 operates at 67 watts.

See also[edit]

External links[edit]

Coordinates: 32°14′56″N 111°07′01″W / 32.249°N 111.117°W / 32.249; -111.117