Radio

Radio

By Pirtelio
  • James Clerk Maxwell predicted the existence of radio

    James Clerk Maxwell predicted the existence of radio

    James Clerk Maxwell ( a Scottish Physicist) predicted that their would one day be radios.
  • Heinrich Rudolph Hertz demontrated the rapid variation of electric current

    Heinrich Rudolph Hertz demontrated the rapid variation of electric current

    German physicist, Heinrich Rudolph Hertz demonstrated that rapid variations of electric current could be projected into space in the form of radio waves similar to those of light and heat.
  • Heinrisch Hertz Began experimenting with radio waves.

    Heinrisch Hertz Began experimenting with radio waves.

    Heinrich Hertz began experimenting with radio waves in his laboratory in Germany.
  • Edwin Armstrong studied at Columbia University

    Edwin Armstrong studied at Columbia University

    the inventor of the FM transmitter studied at Columbia University.
  • Nikolai Tesla demosntrated wireless radio.

    Nikolai Tesla demosntrated wireless radio.

    Nikolai Tesla had a demonstration of wireless radio communication in St. Louis, Missouri.
  • Marconi sends first radio signal

    Marconi sends first radio signal

    He was credtited to be the first to send a radio signal despite the lack of proof of him being first.
  • Lee De Forest borrows the audion tube idea

    Lee De Forest borrows the audion tube idea

    Leed De Forest "borrowed" the idea for the audion tube from Reginald Fessenden.
  • First radio station opened by Frank Conrad

    First radio station opened by Frank Conrad

    Frank Conrad created 8xk and was later changed to to Kdka.
  • 10 min commercial

    10 min commercial

    WEAF aired a 10 min. commercial for an apartment complex charging $50.
  • The Begining of the FCC

    The Begining of the FCC

    personal radio station frequencies started interfering with one another and led to the creation of the FRC which later bcame the (FCC) – 1927
  • The Radio Golden Era

    The Radio Golden Era

    I the 30's and 40's just about everyone listened to the radio.
  • First large scale field tests of FM radio technology

    First large scale field tests of FM radio technology

    in 1935 Edwin Haward Armstrong began testing his FM transmitter on a large scale
  • The Death of Radio

    The Death of Radio

    In the late 30's TV populrity grew and killed radio.
  • radio started playing music and saved itself

    radio started playing music and saved itself

    after TV almost wiping it out, radio started playing music and saved itself
  • Guglielmo Marconi patented the radio.

    Guglielmo Marconi patented the radio.

    Guglielmo Marconi was awarded the official patent for the radio by the British Government.