Radio history

By faith251
  • Guglielmo Macroni

    Guglielmo Macroni

    Guglielmo Marconi, an italian sent and received the first radio signal in 1895
  • Audion Tube

    Audion Tube

    1906 Lee de forest, created the audion tube a vacum that amplified signals
  • First Radio station

    First Radio station

    in 1920, 8xk later named Kdka.Frank conrad first broadcasted licensed in pittsburg, Pennsylvania
  • Uncle Charlie

    Uncle Charlie

    Personal radio stations making money off advertising. Aired 10 minute commercial charging $50
  • Call letters

    Call letters

    Call Letters were issued to radio stations. W is east of the mississippi river and K is wet of the Mississippi river identify stations why we use call letters.
  • FRC ( now known as FCC)

    FRC ( now known as FCC)

    Uncle charlie was to popular
  • FCC

    FCC

    Frc was established in 1927, organized licensing of transmitters
  • FM waves

    FM waves

    Fm was invented by Edwin Armstrong, Frequency Modulation is the change in frequency.
  • musical events

    musical events

    Your Hit Parade is broadcast for the first time on radio

  • Radio' s being sold

    22 american homes had radios and cars sold with radios
  • The Golden Era

    The Golden Era

    Everybody listened to the radio and radio provided an escape to people.
  • Radio Reporting

    Radio Reporting

    pearl harbor attack is reported by radio
  • broadcast radio

    broadcast radio

    Music variety show Uncle Walter's Doghouse is broadcast for the last time on NBC radi
  • Shows of the Golden Era

    Shows of the Golden Era

    Amos n Andy, Gunsmoke, The Shadow
  • early 1960s

    early 1960s

    All talk radio programming become popular