The HD2 stream relays XHOF-FM Reactor, while HD3 features XHIMER-FM Opus, both IMER stations in Mexico City. See also Border blaster — a list of super-power radio stations located on the international border of Mexico facing the United States of America John R. Brinkley gives more details about the career of this "doctor". Wolfman Jack gives more details about the career of this disc jockey who was featured in the movie American Graffiti. Wonderful Radio London gives more details of the history of this station. Don Pierson gives more details about the career of this offshore broadcasting pioneer. ZZ Top celebrated the station in their song, "I Heard It On The X". Further reading News articles Article about the restoration of the old RCA transmitter by Mike Venditti Article describing how Bob Smith (Wolfman Jack) came to Del Rio, Texas to meet Arturo Gonzelez and Ramon D. Bosquez and wanting to know who was the owner of radio station XERF. Arturo Gonzelez who was 94 in , recalls his first meeting with Bob Smith in . Details confirm that XERF had a transmitter. Books References External links official IMER website History "The Best Darn Story of the Whole 20th Century" — web page about XER, XERA, and XERF "The X Factor" — transcript of episode about the border blasters from NPR's On the Media, 2008-07-04 Reference to "Billy Purl", the last live voice heard on XERF. — In a drop-down box Harold Glen Martin ("Billy Purl") makes reference to five transmitterss . However, XERF had a reasonably new CCA transmitter and an ancient RCA transmitter, as referenced above in a note by Bob Smith. Former XERF engineer who died on 27 April 1998. 1947 establishments in Mexico Clear-channel radio stations Mass media in Ciudad Acuña Radio stations established in 1947 Radio stations in Coahuila Radio stations in Mexico with continuity obligations Spanish-language radio stations