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Detects and produces radio waves.
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Builds his first radio equipment, a device that will ring a bell from 30 feet away
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Transmists human speech via radiowaves
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Transmits telegraphic radio messages from Cornwall to Newfoundland
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Patents an arc transmission that generates continuous radio waves, producing a frequency of 100 kHz and receivable over 150 miles.
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Invents the directional radio antennae
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First radio program of voice and music broadcast in the U.S.
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Invents a high-frequency electric generator that produces radio waves with a frequency of 100 kHz.
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Patents a radio receiver circuit with positive feedback. Part of the amplified high-frequency signal is fed back to the tuning circuit to enhance selectivity and sensitivity.
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Develops the superheterodyne radio receiver. The principle for this receiver is the basis for all radio receivers now in use.
A 200 kW alternator starts operating at Station NFF, the Naval station in New Brunswick NJ, which was the most powerful radio transmitter of the time. -
Hosts the first National Association of College Broadcasters.
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February: First WCBN fundraiser is organized, and raises $5,000.
