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
Enrico Marconi Enrico Marconi Enrico Marconi, known in Poland as Henryk Marconi (7 January 1792 in Rome – 21 February 1863 in Warsaw), was an Italian-Polish architect who spent most of his life in Congress Poland. Initially he was taught by his father Leander, later on, between 1806 and 1810, he studied both at the University of Bologna and at the Academy of Fine Arts of Bologna. In 1822 he was commissioned by general Ludwik Michał Pac to complete his palace in Dowspuda (then in Congress Poland, now in north-eastern Poland). He settled in Warsaw, where from 1827 he worked for the