XEMO-AM or La Poderosa 860 AM is a Spanish-language radio station that is based in Tijuana, but on a clear day, the signal can be heard as far away as Los Angeles. The station plays tropical music and is the only Spanish language AM station in San Diego that broadcasts music that reaches a far distance. XEMO is operated by San Diego based Uniradio, Inc., with the license and transmitter owned by a Mexican company.