XHSI-FM
XHSI-FM is a radio station on 92.1 FM in Santiago Ixcuintla, Nayarit. The station is known as Radio Positiva. History. XHSI began as XESI-AM 1240, awarded to Julio Mondragón González on April 14, 1954. The station did not take to air until May 5, 1957. In 2011, XESI migrated to FM as XHSI-FM. Despite being on 94.5 until January 2014, the station was given the 92.1 frequency at the start of migration.