Explanation of how radar is able to paint picture of ground below aircraft; in this picture, water appears dark, land light and towns as bright patches on light land; how picture may be used for navigation; how it was first used and how technique gradually developed; examination of application of H2S to navigation, its possible development, and its converse system, GCA, or Ground Controlled Approach. (See also - v 71 n 1852 Nov 22 1946 p 631, 634-6)
Radar paints picture
Aeroplane
Aeroplane ; 72 , n 1858 ; p 10-13
1947
4 pages
Article (Journal)
English
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