XEB-AM
XEB-AM (branded as La B Grande) is a radio station on AM frequency 1220 kHz, serving Mexico City and surrounding areas in Mexico. It airs a Spanish language classic contemporary format with music from the 1940s to the 1970s. It has been owned by the Instituto Mexicano de la Radio (IMER), a Mexican government public broadcaster, since IMER's founding in 1983. History Launch On June 16, 1923, the first test transmissions were launched of a radio station then known as CYB, as part of the First International Radio Fair. It was launched by a cigarette company, the Compañía Cigarrera del Buen Tono, S.A., as a promotional activity; at the same time, it launched a cigarette brand "Radio". Its first complete transmission occurred on September 14, 1923, live commentary of the fight between Jack Dempsey and Luis Ángel Firpo from New York. José Velasco captured the New York station's signal at Pachuca and relayed the information to Enrique W. Curtiss, who broadcast it over CYB. The next day, the station held its inaugural concert, which included a message from Spanish king Alfonso XIII. From October 1923, CYB broadcast on Tuesdays, Thursdays and Saturdays from 8-9pm. At the end of 1923, CYB