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  • Network of Permanent GNSS Stations in Greece operated by the Research Institute of Geodesy, Topography and Cartography, Geodetic Observatory Pecny and the Charles University in Prague, Faculty of Mathematics and Physics, Department of Geophysics, in close cooperation with the Seismological Laboratory of University of Patras

  • Research and experimental network of permanent GNSS stations operated by the Research Institute of Geodesy, Topography and Cartography, Geodetic Observatory Pecny in cooperation with more academic and research institutions in the Czech Republic: Brno University of Technology, Palacky University of Olomouc, Technical University of Ostrava, West-Bohemia University in Pilsen, Institute for atmospehric physics CAS, Military Geography and Hydrometeorologic Office Dobruska.

  • Orbits of GNSS satellites and Earth rotation parameters based on analysis of GNSS observations from a global network of IGS (International GNSS Service) stations in rapid or ultra-rapid processing mode.

  • Coordinate time series based on analysing GNSS observations from a subset of EPN (EUREF Permanent Network) or CZECH - GNSS networks in Czech Republic - VESOG, GEONAS, CZEPOS. It includes daily solutions from EUREF processing or EUREF reanalyses.