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radio history-jai

By lawlicles
  • prediction of the existence of radio

    prediction of the existence of radio

  • radio waves could be broadcast into space

    radio waves could be broadcast into space

  • electric waves transmitted by wireless

    electric waves transmitted by wireless

  • radios began to appear at sea

    radios began to appear at sea

  • electromagnetic energy fields

    electromagnetic energy fields

  • marconi invents radio

    marconi invents radio

    Marconi invented radio, may not have been first but was the best at pr
  • first ship to request emergency

    first ship to request emergency

  • first speech and music

    first speech and music

  • invention to the audion tube

    invention to the audion tube

  • 1st radio transmission from airplane

    1st radio transmission from airplane

  • first continuous broadcast

    first continuous broadcast

  • radio stations closed

    radio stations closed

  • edwin armstrong helps

    edwin armstrong helps

  • first radio station

    first radio station

    first radio station created in Pennsylvania, call letters were axk, later changed to kdka.is still in service

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