Radio History

By ky149474
  • Marconi

    Marconi

    Marconi sent the first radio signal. We think he invented the radio. Or could it just be a good advertising joke. He was a Italian inventor.
  • Radio Networks

    Radio Networks

    AT&T (biggest company at the time) creates a radio network first using transmitters then moved onto Audions. They first broadcasted in Arlington,Virginia.

  • Crystal Radio Sets Produced

    This reciever was before the vaccum tubes like Audions. Inventions of amplifiers, generators, and dectors enabled sets like these audio.
    People to this day still study these sets as art of science and technology.
  • Radio comes to Canada

    Radio comes to Canada

    In 1919 the station XWA broadcasted in Montreal,Canada this was the first broadcast in canada.
  • Audion Tube

    Audion Tube

    Lee De Forest borrowed the idea of the Audio Tube. It Amplifies and makes sounds bigger. People believe Reginald Fessenden invented this but unfortunatley he didn't get credit for it.
  • First Radio Station

    First Radio Station

    The first radio station was created in 1920. Frank Conrad started it. He would use phonographs to play music. The station was originally called 8XK but was later renamed to KDKA.
  • More orchestra Dynamic music arrive to radio

    More orchestra Dynamic music arrive to radio

    late 20's and 30's had radio stations playing more orchestral popular music.
  • Advertising

    Advertising

    First ad was broadcasted on a radio station. This advertisement aired for 10 minutes.It was about a apartment complex.0 Without ads there would be no money to support the station.
  • NBC's Slumber Hour

    NBC's Slumber Hour

    Listeners could tune into this broadcast to listen to chamber mixed music with lullaby-style vocals.
  • Radio To Television

    Radio To Television

    TV crushed radio. Advertisers later went to tv for advertising.
  • FM Radio Patened

    FM Radio Patened

    Edwin Armstrong pattened FM radio. FM Stands for frequency modulation.
  • Music comes to radio

    Music comes to radio

    Music broadcasting on the radio makes music portable. This saved radio because you could just listen to music in your car rather than going to jukeboxes ,using phonographs etc.

  • Radio Progresses

    Edwin Armstrong invented the FM Transmitter. This device made radio signals stronger and better sound quality. People who still had the old radio sets had to buy new ones in order to use the radio.
  • WMAL broadcasts "Hour Of Dreams"

    WMAL broadcasts "Hour Of Dreams"

    WMAL played "Hour Of Dreams" from 11:15 at night.
  • FM radio introduced to Germany

    FM radio introduced to Germany

    The war resulted in germany not having many medium wave frequencies. These waves are bad for radio broadcasting. They moved from VHF to FM.