XESR Santa Rosalia BCS 1320

On January 25 2009 I had the most fantastic reception of stations in Mexico. On 1320 I got a nice ID from La Mexicana XECPN in Rio Negras CO but I also  logged a station with ID as Radio Surcalifornia. No idea about the origin of that station. When I searched for information about 940 XERLA Henrik Klemetz mentioned that is was the sisterstation of XESR in Santa Rosalia. He also mentioned the Radio Surcalifornia identification. I sent a report and received a brief amail verification.