2012
DOI: 10.4028/www.scientific.net/amm.170-173.2864
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The Establishment of Geodetic Datum in Jiaonan City

Abstract: As to Jiaonan geodetic datum, third-order horizontal control network is established through GPS while third-order leveling network is established through electronic level. This paper illustrates how to process data so as to improve horizontal and vertical precision in the process of establishing third-order horizontal control network and elevation fitting. It puts forward such an opinion: making precision test for starting points of horizontal network and preserving those short baselines of low precision in un… Show more

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