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Marconi transmitted radio signals for about 1.5 miles (2.4 km) at the end of 1895. [102] Marconi was awarded a patent for radio with British patent No. 12,039, Improvements in Transmitting Electrical Impulses and Signals and in Apparatus There-for. The complete specification was filed 2 March 1897.
Guglielmo Giovanni Maria Marconi [11] [12] was born in Palazzo Marescalchi in Bologna on 25 April 1874, the second son of Giuseppe Marconi (an Italian aristocratic landowner from Porretta Terme who lived in the countryside of Pontecchio) and his Irish wife Annie Jameson (daughter of Andrew Jameson of Daphne Castle in County Wexford, sister of Scottish naturalist James Sligo Jameson, and ...
Marconi's station at Poldhu, Cornwall, England, initially constructed in October 1900 on a cliff in a remote location to avoid publicity during initial experimentation, was the first large radio transmitter in the world. Marconi decided in 1899 to attempt transatlantic communication.
The first transmission received on the continent of North America by Marconi was at Signal Hill, St. John's, Newfoundland and Labrador in 1901; Glace Bay, Nova Scotia was the site of the first such two-way transmission, in 1902. [2] One of the station's most notable roles occurred with the sinking of the RMS Titanic in April 1912.
A model of Marconi's transmission towers at his first wireless station in Glace Bay. Marconi National Historic Site, located at Table Head in Glace Bay, is the site of Guglielmo Marconi's first transatlantic wireless station, callsign VAS, and the first wireless message sent from North America to Europe on December 15, 1902. [1]
In 1903, Marconi founded the Marconi's Wireless Telegraph Company of Canada which was renamed as the Canadian Marconi Company in 1925. The radio business of the Canadian Marconi Company is known as Ultra Electronics TCS since 2002 and its avionic activities as CMC Electronics, owned by Esterline since 2007. [6]
Although development of the first radio wave communication system is attributed to Guglielmo Marconi, his was just the practical application of 80 years of scientific advancement in the field including the predictions of Michael Faraday, the theoretical work of James Clerk Maxwell, and the experimental demonstrations of Heinrich Rudolf Hertz. [1]
By August 1895, Marconi was field testing his system but even with improvements he was only able to transmit signals up to one-half mile, a distance Oliver Lodge had predicted in 1894 as the maximum transmission distance for radio waves. Marconi raised the height of his antenna and hit upon the idea of grounding his transmitter and receiver.