Marconi Beach Marconi Beach Marconi Beach is part of the Cape Cod National Seashore in Massachusetts. The beach is named for Italian inventor Guglielmo Marconi. In 1903, the first transatlantic wireless communication originating in the United States was successfully transmitted from nearby Marconi Station; a message from U.S. President Theodore Roosevelt to King Edward VII of the United Kingdom. The beach was also used by the former Camp Wellfleet for artillery and rocket testing. There is a broad, sweeping view of the Atlantic Ocean and Cape Cod Bay from the overlook atop the steep sand cliff above the beach. The National Park
Guglielmo Marconi operations, long after it was apparent that the future of radio communication lay with continuous-wave transmissions which were more efficient and could be used for audio transmissions. Somewhat belatedly, the company did begin significant work with continuous-wave equipment beginning in 1915, after the introduction of the oscillating vacuum tube (valve). The New Street Works factory in Chelmsford was the location for the first entertainment radio broadcasts in the United Kingdom in 1920, employing a vacuum tube transmitter and featuring Dame Nellie Melba. In 1922, regular entertainment broadcasts commenced from the Marconi Research Centre at Great Baddow, forming the prelude to