Marconi Wireless Station Site (South Wellfleet, Massachusetts) Marconi Wireless Station Site (South Wellfleet, Massachusetts) The Marconi Wireless Station Site in South Wellfleet, Massachusetts is the site of the first transatlantic wireless communication between the United States and Europe, on January 18, 1903. At this location, now in the Cape Cod National Seashore (though no admission is charged if not visiting Marconi Beach), inventor Guglielmo Marconi erected a large antenna array on four wooden towers, and established a transmitting station powered by kerosene engines that produced the 25,000 volts of electricity needed to send signals to a similar station in Poldhu, Cornwall, United Kingdom. The first transmission received
Invention of radio Holmes, an island in mid-channel, and at Brean Down, a promontory on the Somerset side. Signals were obtained between the first and last-named points, a distance of, approximately, . The receiving instrument used was a Morse inkwriter of the Post Office pattern. In 1898, Marconi opened a radio factory in Hall Street, Chelmsford, England, employing around 50 people. In 1899, Marconi announced his invention of the "iron-mercury-iron coherer with telephone detector" in a paper presented at Royal Society, London. In May, 1898, communication was established for the Corporation of Lloyds between Ballycastle and the Lighthouse on Rathlin Island in the