|City||Brecha 73, Tamaulipas|
|Broadcast area||Matamoros, Tamaulipas
|Slogan||La Estación De Todos|
|First air date||December 8, 1951 (concession)|
|Power||7,000 watts daytime
2,500 watts nighttime
|Former frequencies||1450 kHz (-2010)|
|Owner||Grupo Radio Avanzado
(Radio Avanzado Gal de Valle Hermoso, S.A. de C.V.)
|Sister stations||XEMS-AM, XHMLS-FM, XHNA-FM|
XERDO's concession history begins on December 8, 1951, when Manuel L. Salinas, a radio pioneer in northeastern Mexico who also started sister station XHMLS-FM, was given the go-ahead to build a radio station on 1450 kHz in Valle Hermoso, known as XEVH-AM and broadcasting with 1,000 watts during the day and 250 at night.
Salinas's successors held on to the XEVH concession for decades, and in the 1980s, XEVH increased its nighttime power to 1,000 watts. In 1996, the concession transferred to Gilma Guedea Castaño, and in April 2003, it was transferred to Radio Avanzado Gal de Valle Hermoso, S.A. de C.V. Around this time, the callsign changed to XERDO-AM.
In order to carry out a major power increase, in June 2013, XERDO was approved to move to 1060 kHz with 7,000 watts during the day and 2,500 watts at night.
- RPC: Technical Modification #009792 - Change in Radiation System - XERDO-AM
- Instituto Federal de Telecomunicaciones. Infraestructura de Estaciones de Radio AM. Last modified 2017-02-27. Retrieved 2015-07-02.
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