YE Shirong, ZHANG Shuangcheng, LIU Jingnan. Precision Analysis of Precise Point Positioning Based Tropospheric Delay Estimation[J]. Geomatics and Information Science of Wuhan University, 2008, 33(8): 788-791.
Citation: YE Shirong, ZHANG Shuangcheng, LIU Jingnan. Precision Analysis of Precise Point Positioning Based Tropospheric Delay Estimation[J]. Geomatics and Information Science of Wuhan University, 2008, 33(8): 788-791.
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Precision Analysis of Precise Point Positioning Based Tropospheric Delay Estimation

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  • PPP approach used for ZTD estimation is investigated. The process GPS data from some IGS Products stations utilizing final IGS products and real time products are processed.Though real time PPP solution is post processed,real-time operation is simulated.Compared with the ZTD provided by IGS,the precision of PPP based ZTD solution utilizing final IGS orbits and clocks is better than 6 mm,and the precision of real time solution is better than 20 mm.
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