History of Radio

  • First Radio Signal

    An Italian inventor named Marconi sent and received the first radio signal in 1895
  • Period: to

    Radio Life

  • Audion Tube

    Audion Tube
    Lee De Forest created the first audion tube in 1906 a vaccum tube that amplified signals.
  • Military Radio

    During World War 1 the war started to use radios to coomunicate with eachother even better. Before they had to use messanger birds or pass notes to eachother.
  • First Radio Stations

    First Radio Stations
    1920 the radio station 8KX was renamed KDKA by Frank Conrad. his station is still around today.
  • Commercials

    Commercials
    In 1920 WEAF aired their first 10 minute commercial for a $50 dollar chsrge.
  • FRC

    FRC was established in 1927 to organize the license of transmitters and assign radio frequencies
  • Golden Era

    From 1930 to 1940 the radio was very popular due to the look for money and Great Depression.
  • TV

    TV comes along and joins the game in the late 30s.