[1][2] The stations at Ensenada, Zamora, Guasave, Ciudad Obregón and San Miguel de Allende were awarded in 2017 and 2018; León was approved in December 2019.
Since 2003, FCSM has programmed XELT-AM in Guadalajara, with the station's commercial concession registered to Televisa Radio.
XELT is the national originating station, with the headquarters and studios for Radio Maria Mexico located in Zapopan.
In December 2020, it began airing programming on commercial XEUR-AM in Mexico City to early 2022.
The letter cited economic conditions and the COVID-19 pandemic in Mexico, as well as declining AM listening, the increased amount of pirate and other stations, and rising crime.