KMXA (AM)

KMXA

Aurora, Colorado United States
Broadcast area	Denver metropolitan area
Frequency	1090 kHz
Branding	TUDN Radio Denver
Programming
Language(s)	Spanish
Format	Sports
Affiliations	TUDN Radio
Ownership
Owner	Entravision Communications (Entravision Holdings, LLC)
Sister stations	KJMN, KXPK
History
First air date	September 12, 1972 (1972-09-12) (as KAAT)
Former call signs	KAAT (1972–1979) KLDR (1979–1984) KLSZ (1984–1985) KLSC (1985–1987) KYBG (1987–1996)
Technical information[1]
Licensing authority	FCC
Facility ID	10057
Class	B
Power	50,000 watts day 500 watts night
Transmitter coordinates	39°39′53″N 104°39′24″W / 39.66472°N 104.65667°W / 39.66472; -104.65667
Links
Public license information	Public file LMS

KMXA (1090 kHz) is a commercial AM radio station licensed to Aurora, Colorado, and serving the Denver metropolitan area. It broadcasts a Spanish-language sports format and is owned by Entravision Communications Corporation.

KMXA broadcasts at 50,000 watts by day, the maximum power for FCC-licensed AM radio stations. Because AM 1090 is a clear channel frequency, reserved for Class A stations KAAY in Little Rock, WBAL in Baltimore and XEPRS in Tijuana, KMXA must reduce power at night to 500 watts to avoid interference. It uses a directional antenna at all times.