| Belgium |
National Geographic Institute of Belgium, Brussels |
| Canada |
Canadian Hazards Information Service of NRCan, Sidney |
| China |
Meteorological Observation Center of CMA, Beijing |
| Denmark |
Technical University of Denmark, Lyngby |
| Egypt |
National Research Institute of Astronomy and Geophysics, Cairo |
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| Germany |
EUMETSAT, Darmstadt |
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Federal Institute of Hydrology, Koblenz |
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Institute for Geodesy and Geoinformation, Bonn |
| Hungary |
Geodetic and Geophysical Institute - Research Center for Astronomy and Earth Sciences, Sopron |
| India |
Koneru Lakshamaiah Education Foundation, Vijayawada |
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Sardar Vallabhbhai National Institute of Technology, Surat |
| Iran |
International Institute of Earthquake Engineering and Seismology, Tehran |
| Italy |
Italian Geographic Military Institute, Florence |
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Politecnico de Milano, Milano |
| Luxembourg |
University of Luxembourg, Luxembourg |
| The Netherlands |
Royal Meteorological Institute, de Bilt |
| Singapore |
Nanyang Technical University, Singapore |
| Spain |
Institut Cartogràfix i Geològic de Catalunya, Barcelona |
| Sweden |
Lantmäteriet, Gävle |
| Turkey |
Istanbul Technical University, Istanbul |
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Yldiz Technical University, Istanbul |
| United Arab Emirates |
Bayanat for Mapping and Surveying Services, Abu Dhabi |
| United Kingdom |
Newcastle University, Newcastle upon Tyne |
Bernese GNSS Software