Photogrammetry is applied to clear-zone-zone which airplanes use when approaching for landing and taking off from airport; this zone must be free from any obstruction; rectified photographs were used to determine location and identification of obstructive object, and its elevation was obtained by Kelsh-plotter, orienting it to clear zone; economical evaluation resulted in 1 to 9 ratio favoring photogrammetric method when compared to ground methods. (04021)
Airport design application
Photogramm Eng
Photogrammetric Engineering ; 34 , n 9
1968
5 pages
Aufsatz (Zeitschrift)
Englisch
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