Wikipedia
XETRA-FM
XETRA-FM (91.1 FM) — branded 91X, and sometimes identified as XTRA-FM — is an English language, Mexican-owned ( border blaster) Alternative Rock music station broadcasting from Tijuana, Baja California on 91.1 MHz. The studios are located in the Mira Mesa area of San Diego. The station is one of three outlets that are programmed by Local Media San Diego LLC, who took over the operations of XETRA-FM from Broadcast Company of the Americas in 2010.