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  2. Technology during World War I - Wikipedia

    en.wikipedia.org/wiki/Technology_during_World_War_I

    Perhaps the most famous fighter plane during World War 1 was the Fokker as it was the first to include a synchronized machine gun. [23] [24] [25] Towards the end of the conflict, aircraft carriers were used for the first time, with HMS Furious launching Sopwith Camels in a raid to destroy the Zeppelin hangars at Tønder in 1918. [26]

  3. History of radar - Wikipedia

    en.wikipedia.org/wiki/History_of_radar

    In the two decades between the two World Wars, radio technology in Japan made advancements on a par with that in the western nations. There were often impediments, however, in transferring these advancements into the military. For a long time, the Japanese had believed that they had the best fighting capability of any military force in the world.

  4. Spark-gap transmitter - Wikipedia

    en.wikipedia.org/wiki/Spark-gap_transmitter

    The spark gap is inside the box with the transparent cover at top center. A spark-gap transmitter is an obsolete type of radio transmitter which generates radio waves by means of an electric spark. [1][2] Spark-gap transmitters were the first type of radio transmitter, and were the main type used during the wireless telegraphy or "spark" era ...

  5. History of radio - Wikipedia

    en.wikipedia.org/wiki/History_of_radio

    History of radio. The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy". Later radio history increasingly involves matters of ...

  6. Radio - Wikipedia

    en.wikipedia.org/wiki/Radio

    An antenna farm hosting various radio antennas on Sandia Peak near Albuquerque, New Mexico, US. Radio is the technology of communicating using radio waves. [1][2][3] Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an ...

  7. Air-to-ground communication - Wikipedia

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

    Air-to-ground communication was first made possible by the development of two-way aerial telegraphy in 1912, soon followed by two-way radio. By the Second World War, radio had become the chief medium of air-to-ground and air-to-air communication. Since then, transponders have enabled pilots and controllers to identify planes automatically ...

  8. Oboe (navigation) - Wikipedia

    en.wikipedia.org/wiki/Oboe_(navigation)

    Oboe was a British bomb aiming system developed to allow their aircraft to bomb targets accurately in any type of weather, day or night. Oboe coupled radar tracking with radio transponder technology. [1] The guidance system used two well-separated radar stations to track the aircraft.

  9. Timeline of radio - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_radio

    Audio broadcasting (1915 to 1950s) 1919: First clear transmission of human speech, (on 9XM) after experiments with voice (1918) and music (1917). 1920: Regular wireless broadcasts for entertainment began in Argentina, pioneered by the group around Enrique Telémaco Susini. 1920: Spark-gap telegraphy stopped.