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.
Observed phases and pseudoranges from signals of GNSS systems GPS NAVSTAR, GLONASS, Galileo, BeiDou, QZSS, IRNSS and SBAS at 11 stations with recording interval 1 second or 30 second saved in files with recording length 1 hour or 1 day. Data from selected stations are distributed to IGS (International GNSS Service), EPN (EUREF Permanent Network), EPOS (European Plate Observing System) and CZEPOS (Network of GNSS Permanent Stations in Czech Republic).