Radio Timeline

By Angel A.

  • First Radio Signal

    Marconi sends and recieves first radio signal

  • Audion Tube

    Lee de Forest invents the Auion tube

  • First Clear Transmission

    First clear human voice transmission on 9XM

  • AM

    Fressenden and Lee de Forest invented AM

  • TV

    Radio first used to transmit pictures visible as TV

  • Radio Advertising Begins

    WEAF aired a 10 minute commercial for an apartment complex

  • FCR

    The FCR is established in order to organize stations and make bigger stations more widely heard

  • FM

    Edwin H. Armstrong invented and patented FM radio

  • Birth of Elvis

    Elvis Presly is born

  • W1XOJ

    The first experimental FM station is granted a construction permit

  • German Radio

    Germany starts using FM radio

  • Pocket Radio

    Pocket transistor Radio is introduced

  • That's Alright Mama

    Elvis releases "That's Alright Mama"

  • The Beatles

    The Beatles appear on the Ed Sullivan Show

  • GPS

    The GPS constellation of satelites was launched