 XECH received its concession on September 14, 1938, having gone on the air in either 1937 or 1938.The station, the first in the State of Mexico, operated on 1490 kHz and was owned by Rodolfo Llamas.XECH was Toluca's only local radio station for more than 25 years until XEQY-AM 1200 "Radio Fiesta" signed on in 1965.