Alexander Stepanovich Popov (sometimes spelled Popoff; Russian: Алекса́ндр Степа́нович Попо́в; March 16 [O.S. March 4] 1859 – January 13 [O.S. December 31, 1905] 1906) was a Russian physicist, who was one of the first persons to invent a radio receiving device.. Popov's work as a teacher at a Russian naval school led him to explore high frequency electrical …

Guglielmo Marconi, né le 25 avril 1874 à Bologne et mort le 20 juillet 1937 à Rome, est un physicien, inventeur et homme d'affaires italien.Il est considéré comme l’un des inventeurs de la radio et de la télégraphie sans fil.. Avec Ferdinand Braun, il est colauréat du prix Nobel de physique de 1909 « en reconnaissance de ses contributions au développement de la …

Wardenclyffe Tower (1901–1917), also known as the Tesla Tower, was an early experimental wireless transmission station designed and built by Nikola Tesla on Long Island in 1901–1902, located in the village of Shoreham, New York.Tesla intended to transmit messages, telephony and even facsimile images across the Atlantic to England and to ships at sea based on his theories …

Microwave is a form of electromagnetic radiation with wavelengths ranging from about one meter to one millimeter corresponding to frequencies between 300 MHz and 300 GHz respectively. Different sources define different frequency ranges as microwaves; the above broad definition includes both UHF and EHF (millimeter wave) bands.A more common definition in radio …

Mercury Communications was a national telephone company in the United Kingdom, formed in 1981 as a subsidiary of Cable & Wireless, to challenge the then-monopoly of British Telecom (BT). Although it proved only moderately successful at challenging BT's dominance, it led the way for new communication companies to attempt the same.

On 15 June 1920, Marconi's Wireless Telegraph Company, Limited, in Chelmsford, Essex, was licensed to conduct an experimental broadcast from the New Street Works factory, featuring Dame Nellie Melba. The signal was received throughout Europe and as far as Newfoundland, Canada. Further transmissions were also made. Military intervention