DETECTING THE ENEMY

On 26 February 1935, a first experiment was carried out at Weedon in Northamptonshire which clearly demonstrated that an aircraft reflected electro-magnetic energy and that those reflections could be detected by the use of a cathode-ray apparatus. This experiment launched the British development of what became known as RDF or radio direction finding, and later still came to be called radar. Radar research was not confined to Britain. In the mid-1930s research and development work was also carried out in Germany, Japan, France, Italy, the United States, the Netherlands and the Soviet Union, though the most significant use of radar was to be found by the outbreak of war only in Britain and Germany. The first British radar sets for detecting aircraft were operational by the end of 1939. The…

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All About History Book of The Battle Of Britain (Digital) - 1 Issue, All About History Book Of The Battle Of Britain 2nd Edition

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