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Period: to
Radio Lifetime
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Wireless telegraphy
Mahlon Loomis successfully demonstrated wireless telegraphy. He made a meter conncected to a kite , move another meter, which is the first instance of aerial communication. -
Carbon Microphone Experiment
David E. Hughes noticed that sparks could be heard in a telephone receiver when experimenting with his carbon microphone. -
Heinrich Hertz
Heinrich Hertz detects and produces radio waves. -
First Radio Signal
During a demonstration of wire telegraphy taking place in the lecture theater of Oxford University Museum Natural History August 14, 1894 by Professor Oliver Lodge and Alexander Murihead, a radio signal is recieved from the neighboring building. -
Marchese Guglielmo Marconi
Marchese Guglielmo Marconi builds his first radio equipment, a device that will ring a bell from 30 ft. away. -
Marchese Guglielmo Marconi and France
Marconi establishes first radio link between England and France. -
R.A. Fessenden
American scientist R.A. Fessenden transmists human speech via radiowaves. -
Marchese Guglielmo Marconi and Newfoundland
Marconi transmits telegraphic radio messages from Cornwall to Newfoundland -
Valdemar Poulsen
Valdemar Poulsen patents an arc transmission that generates continuous radio waves, producing a frequency of 100 kHz and receivable over 150 miles. -
Military uses Radio
This year, the United States enters World War I. During this time, they control all radio development to prevent the enemy spies from using them. (more specifically controlled by the US Navy.) -
FM radio is creaded
Edwin Howard Armstrong invented FM radio. The creation of FM radio improved the audio signal by redcuing the amount of static from electical equipment and Earth's atmosphere. -
Sputnik I is launched
The USSR launched the first satellite into space. The satellite was a low orbit and took only ninty six minutes to orbit Earth. It could only transmit a bleep, however this was significant because it proved that satellites could be successfully sent into orbit. -
Today
Today, radio is everywhere. From listening to KISS FM in the morning or watching TV, or even listening to talk shows. We have come so far, and radio is something we cannot live without today. Research continues to explore the development of Radio and it's many uses.
