radio history

By clout boy

  • first radio

    first radio

  • Marconi establishes first radio link between England and France.

  • American scientist R.A. Fessenden transmists human speech via radiowaves.

  • Marconi transmits telegraphic radio messages from Cornwall to Newfoundland

  • First radio transmission of music at Graz, Austria.

  • Marconi invents the directional radio antennae.

  • the creation of audio tube

    the creation of audio tube
    lee de forest created a vacuum tube that amplifies signals

  • First radio program of voice and music broadcast in the U.S. (by R.A. Fessenden)

  • Fessenden invents a high-frequency electric generator that produces radio waves with a frequency of 100 kHz.

  • GE develops a 100 kHz, 2 kW alternator for radio communication.

  • Radio communications gain publicity when the captain of the Montrose alerts Scotland via radio of an escaping criminal.

  • the fm radio station was invented

    the fm radio station was invented

  • the smaller radio

    the smaller radio

  • the big boom box

  • today's radio

    today's radio