XET-AM, nicknamed La T Grande, is a commercial AM radio station on 990 kHz at Monterrey, Nuevo León, Mexico.

[5] and eventually became a border blaster targeting the United States in English with a 50,000 watt signal.

As the station could be heard at night in the parts of the United States, XET helped the Carter Family's music became well-known.

In February 1939, over the air live, Sara Carter dedicated the song I'm Thinking Tonight of My Blue Eyes to her long-lost boyfriend Coy Bayes.

[1] In the 1970s, Grupo Estrellas de Oro, the predecessor to Multimedios Radio, acquired XET.