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History of Radio

By Haypop

  • Birth of radio// Heinrich discovers basics of radio

    Birth of radio// Heinrich discovers basics of radio
    This made the basics of radio. which lead to an expansion of radio technology. Heinrich Hertz proved transmitting waves and receive electric waves wirelessly

  • Nikola Tesla invents the Tesla coil

    Nikola Tesla invents the Tesla coil
    Transmission of radio frequency energy is frequently exhibited in Nikola Tesla's experiments. He proposes that this could be used as a means of telecommunication.

  • Fleming valve (The AUDION tube)

    Fleming valve (The AUDION tube)
    John Fleming invents the vacuum tube diode that later helps LeedeForest create the three element vacuum tube called the audion. The audion is considered one of the most important developments in the history of electronics.

  • First Radio Station/ first radio station broadcasted/ Radio Act

    First Radio Station/ first radio station broadcasted/ Radio Act
    an Act is established that re-assigns stations to clear frequencies and makes radio stations operate in the publics interest. Then the first radio stations start to pop up and the first radio news program is broadcasted. Several claim to be the first; most likely KDKA Pittsburgh or 9XM University of Wisconsin

  • Golden Age Of Radio (Fireside Chats)

    Golden Age Of Radio (Fireside Chats)
    People turn to the radio for entertainment and comfort during the Great Depression. President Franklin D. Roosevelt becomes the first "radio president."

  • Golden Age Of Radio (FM Radio)

    Golden Age Of Radio (FM Radio)
    Edwin Armstrong invents FM (frequency modulation) radio. FM provides static-free broadcasting and carries the full frequency range of sound perceptible to the human ear.

  • Transistor radio during the space age of radio

    Transistor radio during the space age of radio
    Regency introduces the pocket transistor radio, the TR-1, which was powered by a standard 22.5V battery.
  • Period: to

    Telstar/RDS protocol

    The worlds technology focuses on space, and radio is different. The first radio communication satellite, Telstar is launched into space. // RDS is shown to the public in car radios/ digital radio displays being allowed in cars.

  • Birth Of Internet Radio (Digital Age)

    Birth Of Internet Radio (Digital Age)
    Radio experimenters begin to use computers with audio cards to process radio signals and the first digital transmissions begin to be broadcast.

  • Streaming / Podcasting / Spotify

    Streaming / Podcasting / Spotify
    Radio mainstreams music to live broadcasting for personal or via satellite radio for cars. Streaming music becomes radio's main revenue; ongoing expansion.