Dipole antenna other monopole) antennas on the basis of dipole antennas of which they are one half. German physicist Heinrich Hertz first demonstrated the existence of radio waves in 1887 using what we now know as a dipole antenna (with capacitative end-loading). On the other hand, Guglielmo Marconi empirically found that he could just ground the transmitter (or one side of a transmission line, if used) dispensing with one half of the antenna, thus realizing the "vertical" or monopole antenna. For the low frequencies Marconi employed to achieve long-distance communications, this form was more practical; when radio moved to higher frequencies (especially
Michele Marconi "giallorosso" club. Michele Marconi Michele Marconi (born 13 May 1989) is an Italian footballer who plays for Pisa. Born in Follonica, Tuscany, Marconi started his youth career at Tuscan side Margine Coperta before joined Lombard club Atalanta in July 2004. Marconi was a player of both under-18 youth team and reserve in 2006–07 season. Marconi made his debut for Atalanta B.C. and Serie A debut on 20 April 2008, the 4th match counting from the last. He played the last 4 matches of 2007-08 season and scored once. In the next season he played 3 times for first team at