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| 50 Years of Mexican Broadcasting - DXer Tetsuya Hirahara of Japan has sent along two first day covers, a postal card, and an explanation (in Spanish) from 1971 when Mexico commemorated 50 years of broadcasting. The relevant date is October 9, 1921, which is when engineer Constantino de Tarnava commenced operation of Mexico's first commercial station, CYO, which later became XEH. The station was located in his house. Jerry Berg has added a card from his own collection which, in 1996, celebrated the event's 75th anniversary with the issuance of a stamp showing Constantino de Tarnava. |
