Parabolic antenna be exploited. Italian radio pioneer Guglielmo Marconi used a parabolic reflector during the 1930s in investigations of UHF transmission from his boat in the Mediterranean. In 1931 a 1.7 GHz microwave relay telephone link across the English Channel using 10 ft. (3 meter) diameter dishes was demonstrated. The first large parabolic antenna, a 9 m dish, was built in 1937 by pioneering radio astronomer Grote Reber in his backyard, and the sky survey he did with it was one of the events that founded the field of radio astronomy. The development of radar during World War II provided a great
Marconi Prize communications technology for the benefit of mankind. Past winners of the Marconi Prize include Lawrence E. Page and Sergey Brin for the development of web search company Google, Tim Berners-Lee for his leadership and innovations in the World Wide Web, Noble Laureate Charles K. Kao for developing fiber-optic communications, and Martin Hellman and Whitfield Diffie for their work in security - the Diffie–Hellman key exchange. The first award was given in 1975. 1975 - 1996 1997–present Marconi Prize The Marconi Prize is an annual award recognizing achievements and advancements made in field of communications (radio, mobile, wireless, telecommunications, data communications,