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INTEGRAL ADJUSTMENT OF GPS NETWORK USING INTERMITTENT TRIPLE DIFFERENCE PHASES

Xu Younan (Xian Research Institute of Surveying and Mapping,710054)  
This paper gives the mathematical models of the intermittent triple difference phase and of integral adjustment of GPS network.The softwore SOSDS was developed based on these models. The data collected from GPS network composed of fifty three sites distributed in China during the period of May,1991 to Apr.1992 were processed by the SOSDS.The results have shown that the repeatability for baseline vector components were 4.0 cm (Easting),9.3 cm (Northing) and 10.6 cm (UP),the precision for baseline solutions was about 2 parts in 10 8,and the relative accracy for station coordinates with respect to the network orgin was better than 0 03 ppm.
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