City of license Chicago, Illinois
Broadcast area Chicago market
Branding La Tremenda 1200 AM
Frequency 1200 kHz(also on HD Radio)
Format Spanish news/talk
Power 20,000 watts (day)
4,500 watts (night)
Class B
Facility ID 11196
Transmitter coordinates
Callsign meaning RiTmO
Former callsigns WLXX
Affiliations Chicago Fire (MLS)
Univision America (July 4, 2012)
Owner Univision Radio
Webcast Listen live
Website Official site

WRTO (1200 AM) is a radio station broadcasting a Spanish news/talk format. Licensed to Chicago, Illinois, USA, the station serves the Chicago area. The station is currently owned by Univision subsidiary WLXX-AM License Corp. and features local programming as well as shows originating at other Univision Radio stations.

The station is the flagship station of the Chicago Fire of Major League Soccer. The station also broadcasts Chicago White Sox and Chicago Cubs games in Spanish.

WRTO became a part of the Univision America Talk Radio network 4 July 2012.[1]

HD Programming

WRTO is licensed for hybrid (analog plus digital) broadcasting: HD 1 duplicates over the air (traditional) broadcasting.[2][3]


  1. ^ Venta, Lance (30 May 2012). "Univision To Launch National Talk Network". Radio Insight. Retrieved 2014-09-02. 
  2. ^ http://www.december.com/places/chi/radiodialhd.html
  3. ^ http://www.hdradio.com/station_guides/widget.php?id=25

External links

  • La Tremenda 1200 AM page at univision.com
  • Query the FCC's AM station database for WRTO
  • Radio-Locator Information on WRTO
  • Query Nielsen Audio's AM station database for WRTO