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- W3043751497 abstract "<p><span><span>The Precise Point Positioning (PPP) technique using the GPS has become a popular alternative to the differential approach. Thanks to the MGEX pilot project of the IGS, precise orbit and clock products from other constellations like Galileo, Beidou, GLONASS are today available. This presentation focusses on GPS and Galileo systems and compares their individual performance to a combined processing. </span></span></p><p><span><span>Resolving GNSS phase observations biases to their correct integer values significantly improves the precision and the accuracy of the estimated parameters. However, PPP with ambiguity resolution (PPP-AR) requires to deal with &#8220;hardware&#8221; biases at the satellite and receiver level. Nevertheless, several Analysis Centers within the IGS community are providing these biases. Using the orbit, clock and bias products of the GPS and Galileo constellations provided by the CNES-CLS group, we were able to compare PPP and PPP-AR station coordinates repeatability from a network of around 50 stations during 6 months. For both static and cinematic solutions, the hybridized solution significantly exceeds both individual ones.</span></span></p><p><span><span>&#160;</span></span></p><p>&#160;</p>" @default.
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- W3043751497 date "2020-03-23" @default.
- W3043751497 modified "2023-09-25" @default.
- W3043751497 title "Improving PPP static and cinematic positioning by combining GPS and Galileo data." @default.
- W3043751497 doi "https://doi.org/10.5194/egusphere-egu2020-7645" @default.
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