radio history jada gray

  • radio history

    radio history
    italian inventor marconi was the first to send and receired radio signals and case good pr.
  • radio

    radio
    marconi's radio
  • Period: to

    radio history

  • lee de forest

    lee de forest
    lee de forest, created(borrowed) the idea for the audion tube, a vacuum tube that amplified signals.
  • audion tube

    audion tube
    vacuum tube
  • radio straight

    radio straight
    8xk, later renamed kdka
    still around today brodcasting from pittsbarg.
    by frank conrad
  • the dawn of advertising

    the dawn of advertising
    in 1922 weaf aired a 10 minute commereial broadcast, for a apartment complex charging
  • FRC

    FRC
    organize the licensing of ttransmitters, assigning radio station frequencies, cell letters, and power limits
  • golden era

    golden era
    in the middle of the grat depression the radio provide graet entertainment.
  • family medium

    family medium
    the entire family can enjoy it together
    music
    story
    situalional
    comedies
  • radios demise

    radios demise
    tv makes appearance in the late 30s
    advertisers went to tv
    radio lost money,
  • why music?

    why music?
    what can save radio?
    music!!!
    there were
    jukeboxes
    records
    and live concerts
  • radios progression

    radios progression
    edwin armstrong invented the FM transmitter, which made for a stronger signal and higher sound pepole had to buy new radio sets.
  • radios progression

    radios progression
    FM transmitter
  • radio vs...

    radio vs...
    sppotify
    pandora
    youtube
    last,fm
    slrlus