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Information × Registration Number 0210U005305, 0107U009093 , R & D reports Title Research of influence of vertical refraction on results of geometric and trigonometric leveling with the help of CCD popup.stage_title Head Lytynsky Volodymyr Osypovych, Registration Date 23-09-2010 Organization Lviv Polytechnic National University popup.description2 Method of accounting of level refraction is outlined. The method allows achieving better precision of differential leveling at unstable atmosphere stratification. The method can be used for automatic accounting of refraction in digital levels. Method of accounting of vertical refraction is presented in this paper. The method allows improving accuracy of one-way trigonometrical leveling in periods of unstable atmosphere stratification. Presented method can be used for accounting of vertical refraction by digital tacheometers. Product Description popup.authors Літинський Володимир Осипович popup.nrat_date 2020-04-02 Close