Data SupplierCountryStation(s)
 
 
Military University of Technology (MUT)Poland (POL)
1
National Center for Cartography (NCC)Romania (ROU)
4
Newcastle University (NCL)United Kingdom of Great Britain and Northern Ireland (the) (GBR)
1
National Geographic Institute of Belgium (NGI)Belgium (BEL)
1
National Institute for Earth Physics (NIEP)Romania (ROU)
29
National Institute of Geophysics, Geodesy and Geography (NIGGG)Bulgaria (BGR)
17
National and Kapodistrian University of Athens (NKUA)Greece (GRC)
2
National Land Survey of Iceland (NLSI)Iceland (ISL)
1
Norwegian Mapping Authority (NMA)Norway (NOR)
23
National Observatory of Athens (NOA)Greece (GRC)
23
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