Loosecoupler1 1024

Radio History

  • First Radio Broadcast

    First Radio Broadcast
    Guglielmo Marconi, an Italian inventor, broadcast the first radio signal. The first signal traveled about a mile. Not getting support from the Italian government to further his development in radio, Marconi moved to England.
  • audion tube

    audion tube
    amplifier to catch signals
  • radio stations

    radio stations
    8xk, later named KDKA , Frank Conrad
  • advertising

    advertising
    in 1922 WEAF aired a 10 minute commercial , for an apartment complex for 50 $
  • FRC

    FRC
    Uncle Charlie was too popular , organize the likening of transmitters .
  • Call letters

    Call letters
    W ia east of Mississippi river
    K is west of Mississippi river
  • Golden Era

    Golden Era
    the 30s and 40s
    the middle of Great Depression - people were hurting for $$$!
  • Family medium

    Family medium
    the entire family can enjoy it together
  • Radio Demise

    Radio Demise
    TV make appearance in late 30s
    as popularity grew , advertiser went to TV
    Radio lost money , Radio shows jumped ship
  • radio's progression

    radio's progression
    Major Edwin Armstrong came up with the FM transmitter . which made the signal stronger for music and better sounding. in order to have an FM transmitter you had to buy a whole new radio set.