Blueradiowaves

Radio History by Dani Etchegaray

  • Radio was invented

    Radio was invented
    Gugliemo Marconi sends the first radio signal while experimenting in his parents' attic. He didn't send music or even his voice, just a wireless signal that could have been tapping or morse code.
  • Period: to

    Radio History

  • Audion Tube was invented

    Audion Tube was invented
    Invented in 1906, either by Reginald Fessenden or Lee De Forest.
    A vacuum tube that amplified signals. Signals could be transmitted longer distances because of this.
  • Radio Saves Titanic?

    Radio Saves Titanic?
    If it weren't for the radio technology developed so far there wouldn't have been any survivors of the Titanic because they wouldn't have been able to send out signals for help.
  • First Radio Station

    Frank Conrad started the first radio station in 1920. He is knwown for broadcastiong the first radio station in Willkinsburg, Pennsylvania, Thia station was knownas 8XK, but is noq know as KDKA.
  • First Radio Commercial

    First Radio Commercial
    Dr. Frank Conrad Broadcasted the first commercial. This date was chosen because it was election day. The power of radio was rpoven when people could hear the Harding-Cox presidential election results before they could read it in the paper.
  • New Boundary

    New Boundary
    The boundary for call letters shifted to the Mississippi River. W being east of the Mississippi, and K being West.