domenica 13 settembre 2015

PICCOLO VARIOMETRO PER QRP

direttamente dal Giappone : stazione trasmittente VLF Yosami-radio.. una Grimeton orientale! 


Mi raccomando di non eccedere con la potenza! hi!
73 de Mauro Bernardetto IK1WVQ
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2 commenti:

  1. Claudio Re14 settembre 2015 alle ore 18:38

    Ciao Mauro .
    Quale sarebbe la frequenza ?
    Grazie .
    Claudio Re
    reclaudio@alma.it

    RispondiElimina
  2. ik1wvq14 settembre 2015 alle ore 19:45

    ciao Claudio.
    finche' ha trasmesso (1992) era 17442 Hz.

    The Yosami Radio Transmitting Station using Very Low Frequency (17.442kHz) was
    completed in March 1929 at Yosami village (Kariya city) near Nagoya. It was built for trade and
    governmental communications between Japan and European countries. Long wave and large
    power were needed for long-distance wireless communications in those days. The huge
    machine-sender, which was one of the biggest ones in the world at that time, was designed by
    Telefunken and manufactured by AEG of Germany. The transmitting system composed of the
    induction type HF generator, with output power of 500kW and frequency of 5.814kHz, and the
    frequency tripler. Its first destination was Warsaw, Poland on April 15th, 1929, and next was Berlin,
    Germany (Nauen Radio Station) on 22nd. Yokkaichi Receiving Station had already been opened in
    March 1928, two-way communications through 80,000 - 10,000km distance with European
    countries became possible by the opening of Yosami Radio Transmitting Station. The YOSAMI
    came to be known as one of the largest wireless stations in the world.

    73 de Mauroi Bernardetto IK1WVQ

    RispondiElimina

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