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
Ivan Marconi Ivan Marconi Ivan Marconi (born 25 October 1989) is an Italian footballer who plays for Serie B club Cremonese. Born in Brescia, Lombardy, Marconi started his career with Internazionale. In 2006–07 season, he was awarded no.41 shirt of the first team as a member of Primavera team. In mid-2007, he was transferred to Lumezzane for free but loaned to Brescia on 31 August 2007. In the next season he was signed by Sampdoria youth team. Marconi received a call-up from the first team on 20 January 2009. In January 2009 he was sold to Gubbio from Lumezzane in co-ownership deal,