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The Propagation of Long Electric Waves during the Solar Eclipse


IT is now common knowledge that the long electric waves employed in wireless telegraphy over great distances appear to travel better during the hours of darkness than in the daytime. It is known besides that the natural electric waves produced by atmospheric electrical discharges—which are heard in the telephones of receiving stations as clicks or scratching noises, and are called “strays” or “X's” by those engaged in wireless telegraphy—are also propagated better in darkness than in light.

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ECCLES, W. The Propagation of Long Electric Waves during the Solar Eclipse. Nature 89, 191–192 (1912).

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