Wikipedia
XERA-AM
XERA is a radio station in Mexico, broadcasting on 760 AM in San Cristóbal de las Casas, Chiapas. The callsign was most famous for its use on a border blaster at Villa Acuña, Coahuila.
XERA also broadcasts on FM at 101.5 MHz. It is not licensed for this frequency; the only FM station on the frequency in Chiapas is XHDB-FM in Tonalá.