Kennelly and Heaviside Propose the Existence of the Ionosphere

Article abstract: Kennelly and Heaviside independently proposed the existence of an electrified layer in the upper atmosphere that would reflect radio waves around the curved surface of the earth.

Summary of Event

On December 12, 1901, only thirteen years after Heinrich Hertz discovered radio waves, Guglielmo Marconi succeeded in transmitting radio signals from Cornwall, England, to Newfoundland, Canada. This historic event was difficult to explain since it was known that radio signals consisted of electromagnetic waves like light, which travel in nearly...

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