History of radio

Early History of Radio

By 09090
  • First Radio Signal

    First Radio Signal

    Italian inventor, Guglielmo Marconi, sent the first radio signal.
  • Audion Tube

    Audion Tube

    Lee De Forest borrrowed the Audion Tube from an idea created by Reginald Fessden.
  • Radio Stations

    Radio Stations

    The first radio stations were made; allowing the public access to radio for the first time.
  • Uncle Charlie

    Uncle Charlie

    Uncle Charlies are personal radio stations that grew popular.
  • Start of Advertising

    Start of Advertising

    Radio station WEAF aired a 10 minute 'commercial' or toll broadcast, for an apartment complex charging $50.
  • Federal Radio Commission

    Federal Radio Commission

    Was made because Uncle Charlies became too popular. Its job is to organize the liscensing of transmitters, assign radio frequencies, call letters, and power limits.
  • Radio's Demise

    Radio's Demise

    Television was created, and as its popularity grew, more advertisers went to TV.
  • Period: to

    Golden Era of Radio

    Radio helped the public escape from their lives during the Great Depression.
  • FM Transmitter

    FM Transmitter

    It helped make for stronger signals and higher quality sound.