International Organisations/Services

• EUREF : Subcommission for Europe, sub-commission 1.3a of Commission 1 of the IAG
• EPOS : European Plate Observing System
• Eurogeographics : Eurogeographics
• IAG : International Association of Geodesy
• IERS : International Earth Rotation and Reference Systems Service
• IGS : International GNSS Service
• IDS : International DORIS Service
• UNAVCO : Non-profit university-governed consoritum, facilitates geoscience research and education using geodesy
• COSPAR : Committe on Space Research

Miscellaneous

• International Terrestrial Reference System (ITRF)
• European Terrestrial Reference System (ETRS89)
• The EUMETNET GPS water vapour programme (E-GVAP)
• Onsala Space Observatory - ocean tide loading provider