Radio History

By nresta
  • Invention of wireless transmitter

    Invention of wireless transmitter
    Heinrich Hertz invented the wireless transmitter. At that point in time Hertz didn't think it meant much
  • First wireless communication sent

    First wireless communication sent
    Marconi sent the first wireless communication over open sea and read "are you ready"
  • Music Broadcasted

    Music Broadcasted
    Ernest Fisk conducted an isolated experiment in which music was broadcasted
  • San Jose Calling

    San Jose Calling
    Charles David Herrold constructed a broadcasting station. It used spark gap technology, but modulated the carrier frequency with the human voice, and later music.
  • Transatlantic wireless communication

    Transatlantic wireless communication
    Marconi initiated duplex transatlantic wireless communication between North America and Europe for the first time, using receiver stations in Letterfrack Ireland, and Louisbourg, Nova Scotia
  • First known radio news program

    First known radio news program
    First radio broadcast by station 8MK, the unlicensed predecessor of WWJ (AM) in Detroit, Michigan
  • FM radio

    FM radio
    Edwin H. Armstrong invented the FM radio which uses frequency modulation of the radio wave to minimize static and interference from electrical equipment and the atmosphere in the audio program
  • Standard analog television

    Standard analog television
    Standard analog television transmissions started in North America and Europe.
  • Pocket radio

    Pocket radio
    Regency introduced a pocket transistor radio, the TR-1, powered by a "standard 22.5V Battery"
  • Radio navigation system

    Radio navigation system
    LORAN became the premier radio navigation system. Soon, the U.S Navy experimented with satellite navigation