Radio History

By Joshua Garner

  • Audion Tube

    Audion Tube
    Lee de Forest borrowed the audion tube idea from Thomas Edison.
    What happened Thomas Edison noticed a blackening on the side on the inside of the light bulb.
    This device received code and voice messages

  • Radio Stations

    Radio Stations
    Frank Conrad made 8XK the radio staton.
    Later named it KDKA.
    This station still is round broadcasting to Pittsburg,Pennsylvania.

  • FRC

    FRC
    Uncle Charlie got too popular.
    Established in 1927.
    Organized the licensing of transmitters.

  • Marconi

    Marconi
    Italian inventor
    Sent and received the first radio signal.
    He studied privately Bologna, Florence and Leghorn.

  • The Dawn of Advertising

    The Dawn of Advertising
    commercials start being broadcast