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The Radio

  • Electricity and Magnetism

    Electricity and Magnetism
    Hans Christian Ørsted discovers the relationship between electricity and magnetism, both very important for components used in the radio.
  • Wireless Power

    Wireless Power
    Tesla conducts experiments with wireless power in Colorado Springs. Wireless power is fundamental because of its use to transmit radio waves.
  • First voice transmission

    First voice transmission
    Reginald Fessenden makes the very first voice transmission through airwaves, while weak, a voice transmission was a big breakthrough for transmitting in the future.
  • First clear transmission

    The very first clear human voice transmission.
  • Argentina adopts wireless entertainment

    Argentina begins broadcasting entertainment regularly through wireless radio.
  • First U.S. commercial broadcast

    First U.S. commercial broadcast
    KDKA becomes the first commercial American broadcasting station.
  • FM radio is invented

    FM radio is invented
    FM radio, the most commonly used radio, is invented.
  • pocket radios

    pocket radios
    The pocket transistor radio is made available, radio is now portable.
  • VOR is introduced

    VOR is introduced
    VOR short-range radio replaces AM radio as a form of communication for aircraft navigation.
  • TELSTAR was launched

    TELSTAR was launched
    Radio satellite TESLSTAR was launched, proving how far radio has come.
  • Navstar GPS is launched

    Navstar GPS is launched
    Navstar GPS is launched with a radio navigation system. The GPS satellites provide free information about locations to both the government and civilians.
  • Adaptive radio

    Adaptive radio
    The U.S. army and DARPA create and launch a type of radio that could change its type by changing its software, further proving the adaptability of radios.