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Radio History

  • Heinrich Hertz

    Heinrich Hertz

    Heinrich Hertz proved
    that electricity can be
    transmitted in electromagnetic
    waves. He
    conducted experiments
    in sending and
    receiving these waves
    during the late 1880s.
  • Ship Radio

    Ship Radio

    Radios (what we’d
    call wireless telegraphs
    today) began to
    appear on ships at sea.
    This reduced the isolation
    of the ships thus
    improving both reliability
    and safety.
  • Nicola Tesla

    Nicola Tesla

    Nikola Tesla wirelessly
    transmitted
    electromagnetic energy
  • Public Demonstration

    Public Demonstration

    He made the
    first public demonstration
    of radio in St.
    Louis .
  • Marconi Files

    Marconi Files

    Guglielmo Marconi
    filed for patent protection
    of his radio apparatus.
  • Wireless Telegraph

    Wireless Telegraph

    He established
    the Wireless Telegraph
    and Signal
    Company in 1897.
  • R.F Matthews

    R.F Matthews

    The R.F. Matthews
    was the first ship to
    request emergency
    assistance using a
    wireless apparatus
    (Marconi’s system).
  • Sending Signals

    Sending Signals

    First transAtlantic
    signal sent-by Marconi
    from Ireland to
    Canada.
  • Lee DeForest

    Lee DeForest

    Lee DeForest produces the
    “Audion,” a triode vacuum
    tube that allowed for amplification
    of radio signals.
  • American Article

    American Article

    Amateur (today
    known as “ham”)
    radio introduced to the
    U.S. via a Scientific
    American article on
    “How to Construct an
    Efficient Wireless
    Telegraphy Apparatus
    at Small Cost.”
  • Radio transmission in air

    Radio transmission in air

    First radio transmission
    from an airplane.
  • WWI

    WWI

    All U.S. radio stations not
    needed by the government
    are closed as WWI begins.
  • 106.1 Kiss FM

    106.1 Kiss FM

    Was cnsidered KHKS before it changed to 106.1 Kiss FM
  • Pandora

    Pandora

    Pandora announced that their radio streaming service had passed 200 million users, about 70 million of whom were active monthly.