Radio 1

Radio Bailey

By tb204657
  • Guglielmo Marconi

    Guglielmo Marconi

    Marconi sent and received first radio signal in 1985. It's not for sure that he came up with the idea. Then if you went around saying you did it then people believed you.
  • Reginald Fessenden

    Reginald Fessenden

    People thought Lee De Forest stole the idea from this man. Fessenden was a canadian inventor who people believed he came up with the idea for audion tube. This was common to have ideas stolen from you.
  • Audion Tube

    Audion Tube

    Lee De Forest is credited with the invention. The audion tube is a space where it amplifys signals. Others think Lee stole the idea.
  • Frank Conrad

    Frank Conrad

    Invented 8XK, or KDKA in 1920. Was an American electrical engineer. Built his own transmitter in Swissvale, Pa.
  • First radio Station

    First radio Station

    In 1920, 8XK was the first Radio Station. it was later renamed KDKA. Played music with microphone next to record player.
  • WEAF

    WEAF

    In 1922 Weaf aired a 10 minute commercial. The commercial was about an apartment complex charging 50$. That the first commercial aired on radio.
  • Major Edwin Armstrong

    Major Edwin Armstrong

    Thanks to Edwin Armstrong FM was music. AM was talk-shows, and comedys. Armstromg demonstrated in 1924 advantages of FM radio.
  • FRC

    FRC

    Established FRC (Federal Radio Communication) in 1927. It was used to stop Uncle Charlies. Uncle Charlies were single radio stations for just ordinary people.
  • Period: to

    Golden era

    Golden era was when radio was everything. Peoples washing machine would break but they would save up for a radio instead. For some this time was during the great depression and radio was a way to escape.
  • Music on the radio

    Music on the radio

    For people during the Great Depression radio helped them cope with the situations. It filled a void for them. It was their everything.
  • AM waves

    AM waves

    Am stands for Amplitude Modulation. Lower frequency than Fm waves.
  • FM waves

    FM waves

    Fm stands for Frequency modulation. Higher frequency than Fm waves.
  • radio vs. new technology

    radio vs. new technology

    Newer technologies have decreased radio traffic. Apps such as pandora, spotify, youtube, and Itunes. The whole community of radio hasn't died yet.
  • Money making for radio

    Money making for radio

    Radio stations charge for commercials that's how they make money. Todays cost for commercials is a couple grand for 30 seconds of air time. Commercials are main ways radio broadcasters make their money.
  • KDKA

    KDKA

    KDKA still operates as a radio station. It operates in Pittsburg, Pennslyvania. Has it's own tv station