At first, the station broadcast with 3,000 watts from the AM transmitter site in Playas de Rosarito.

de C.V., then-owner of AM 690 XETRA (now XEWW), received a concession for a new FM station with the call sign, XETRA-FM on 91.3 MHz. On November 20, 1968, Radiodifusora del Pacífico, S.A. It is considered a border blaster, covering the majority of San Diego County, as well as southwestern Riverside County, from its tower located atop Mount San Antonio in Tijuana. daily, and La Hora Nacional on Sunday nights. It is Mexico's first Alternative radio station, and has influenced other radio stations (including XHMORE) to create the Spanish-language rock radio format in 1994.Īs a Mexican station, XETRA-FM must carry mandated public service announcements, electoral advertising, the Mexican National Anthem at midnight and 5 a.m. The station is one of three Mexican outlets programmed by Local Media San Diego LLC, along with XHITZ-FM and XHRM-FM, in which an affiliated company owns a 49 percent non-voting stake LMSD also owns KFBG. The studios and offices are on Cornerstone Court in San Diego's Sorrento Valley neighborhood. It airs an alternative rock radio format. XETRA-FM (91.1 MHz), branded as 91X, and sometimes identified as XTRA-FM, is an English-language radio station licensed to Tijuana, Baja California, Mexico.

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