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  2. Wireless telegraphy - Wikipedia

    en.wikipedia.org/wiki/Wireless_telegraphy

    Wireless telegraphy or radiotelegraphy is the transmission of text messages by radio waves, analogous to electrical telegraphy using cables. [1] [2] Before about 1910, the term wireless telegraphy was also used for other experimental technologies for transmitting telegraph signals without wires.

  3. Communications and information systems of the British Armed ...

    en.wikipedia.org/wiki/Communications_and...

    The Plessey Company, subsequently Siemens Plessey Systems and then a constituent part of BAE Systemsm was appointed prime contractor and system design authority for Ptarmigan in 1973, with responsibility for engineering development of the complete system. The initial development programme was followed by a series of production contracts worth ...

  4. Telegraphy - Wikipedia

    en.wikipedia.org/wiki/Telegraphy

    The electric telegraph was slower to develop in France due to the established optical telegraph system, but an electrical telegraph was put into use with a code compatible with the Chappe optical telegraph. The Morse system was adopted as the international standard in 1865, using a modified Morse code developed in Germany in 1848. [1] The ...

  5. Lucien Rouzet - Wikipedia

    en.wikipedia.org/wiki/Lucien_Rouzet

    Lucien Rouzet (23 March 1886 – 4 March 1948) was a French physicist and inventor, who, in 1912, created a wireless telegraph system. Biography [ edit ] Born on 23 March 1886 in Dieuze , a town situated in a part of France occupied by the Prussians since 1871, Rouzet moved to the Paris area as soon as he could.

  6. History of amateur radio - Wikipedia

    en.wikipedia.org/wiki/History_of_amateur_radio

    In 1908, students at Columbia University formed the Wireless Telegraph Club of Columbia University, now the Columbia University Amateur Radio Club. This is the earliest recorded formation of an amateur radio club, collegiate or otherwise. [7] In 1910, the Amateurs of Australia formed, now the Wireless Institute of Australia. RMS Titanic (April ...

  7. Air-to-ground communication - Wikipedia

    en.wikipedia.org/wiki/Air-to-ground_communication

    Lieutenant B.T James was a leading pioneer of wireless (radio) in aircraft. In the spring 1913, he had begun to experiment with radios in a B.E.2a. James brought the science of wireless in aircraft to a high state of efficiency before he was shot down and killed by anti-aircraft fire on 13 July 1915.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Outline of telecommunication - Wikipedia

    en.wikipedia.org/wiki/Outline_of_telecommunication

    The following outline is provided as an overview of and topical guide to telecommunication: . Telecommunication – the transmission of signals over a distance for the purpose of communication.