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2020 | nr 14/4 | 57--68
Tytuł artykułu

Preliminary Analysis of the Applicability of the GPS PPP Method in Geodynamic Studies

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GNSS station movements as an indicator of the movement of the Earth's crust are determined by many researchers with the use of various position and trend determination methods. One of such methods is PPP method which allows the determination of a trend for the station without a correlation (direct determination of the position of each station separately). To achieve accuracy compa-rable with relative positioning, there is the need to use external, high-precision data or models (e.g. precise satellite orbits and clocks, ionosphere and troposphere models, etc.) while the PPP method is applied.The main purpose of the presented research is preliminary analyses of the results of processing daily GPS observations from permanent stations with the use of the PPP method. Daily GPS observational data in RINEX format have been acquired from a total of nine selected GNSS permanent stations from the Pol-ish ASG EUPOS and the Ukrainian UA-EUPOS/ZAKPOS systems. As external data for PPP solutions JPL products have been used. A seven-year time series was created for each station.(original abstract)
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Opis fizyczny
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