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《Surveying and Mapping of Geology and Mineral Resources》 2002-01
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Discussion on Practical Means to Enhance GPS Altitude Precision

HU Jin-gen(Zhejiang Brigade of Surveying and Mapping, Hangzhou Zhejiang 310030, China)  
In accordance with analyzing the causes of GSP height fitting error, the author brings forward the practical methods to enhance altimetry precision: enhancing observation precision, improving precision of geoid model and ensuring precision of points of departure.
【CateGory Index】: P228.4
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