Guglielmo Marconi and the Transatlantic S
Guglielmo Marconi

Guglielmo Marconi and the Transatlantic S
Marconi began to work on improving his wireless for a transatlantic broadcast. Many physicists argued that radio waves traveled in straight lines, making it impossible for signals to be broadcast beyond the horizon, but Marconi believed they would follow the planets curvature. (In fact, the waves do travel in straight lines but bounce off the ionosphere, approximating a curve.) After failed attempts to receive a signal from England on Cape Cod, Massachusetts, Marconi decided to try a shorter distance, from Cornwall to Newfoundland.The radio signal broadcast from Poldhu, Cornwall, was as powerful as Marconis team could make it at full power, the equipment sent out sparks a foot long. Some 2,100 miles away, atop Signal Hill in St. Johns, Marconi attached an antenna first to a balloon, which blew away, and then to a kite on a 500foot tether. On December 12, 1901, he picked up a faint threedot sequence the Morse Code letter s.
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