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Two ways of calculating true azimuth by geodetic coordinates
Author(s): 
Pages: 84-86
Year: Issue:  4
Journal: Geotechnical Investigation & Surveying

Keyword:  true azimuth; Gauss projection; the station local coordinate frame;
Abstract: The true azimuth is very useful in engineering orientation or navigation.In this paper,two methods of calculating true azimuth from geodetic coordinates are given.One is to compute the coordinate azimuth through transforming geodetic coordinates to Gauss plane coordinates,and then adding the correlative corrections.The other one is to obtain the true azimuth in topocentri coordinate system directly with the station local coordinate frame.The testing showed that the results of two models are consistent.
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