history of the radio

By aj1

  • james clerk maxwell showed mathematically that electromagnetic waves could travel through the air

    james clerk maxwell showed mathematically that electromagnetic waves could travel through the air

  • heinerich hertz demonstrated maxwells theory by demonstrating that someone could produce and detect electromagnetic radiation

    heinerich hertz demonstrated maxwells theory by demonstrating that someone could produce and detect electromagnetic radiation

  • nikola tesla used maxwells mathematic findings to demonstrate the sending and recieving of radio frequency energy

    nikola tesla used maxwells mathematic findings to demonstrate the sending and recieving of radio frequency energy

  • marconi sent and received first radio signal

    marconi sent and received first radio signal

  • guglielmo marconi who built the first wireless transmitter which was capable of sending signals up to one and a half miles

    guglielmo marconi who built the first wireless transmitter which was capable of sending signals up to one and a half miles

  • guglielmo marconi developed the worlds first transatlantic radio communication service between clifton, ireland, and newfoundland

    guglielmo marconi developed the worlds first transatlantic radio communication service between clifton, ireland, and newfoundland

  • lee de forest created or borrowed the idea for the audion tube, a vacuum tube that amplified signals

    lee de forest created or borrowed the idea for the audion tube, a vacuum tube that amplified signals

  • WEAF aired a ten minute commercial

    WEAF aired a ten minute commercial

  • FRC was established

  • edwin h armstrong invented FM radio

    edwin h armstrong invented FM radio