radio history

By lil_artist16

  • where it came from

    Maarconi, an italian inventor that made send and recived first radio signal in 1895
  • Period: to

    radio history

    still to this day

  • audion tube

    lee de forest created a vacuum tube amplified siganls

  • radio station

    8xk later renamed kdka, created by frank conrad started in pittsburg, pensylvania

  • charlie

    uncle charie a personal radio stations in your own basement

  • advertising

    weaf aired a 10mins commercial or tall roadcast for apartment complex charging $50

  • frc

    uncle charlie was to popular. established FRC in 1927, organize the licencsing of transmitters
    asssiging radio station frequencies, call letters, and power limits

  • call letters

    w- east of mississippi river
    k- west of mississippi river

  • am waves and fm waves

    amplitude modulation-to change frequency modulation
  • Period: to

    golden era

    middles of depression with was hurting for money

  • radio's demise

    tv makes appearance in the late 30s
    popularity grew advertisers went to tv
    radio lost money

  • family medium

    big band music/ story hour/ drames
    family agrees on tv shows and movies

  • radio's progression

    major edwin armstrong invented the fm, which made stronger signals and higher quality sound
    talk on am
    music on fm