| BDS |
BeiDou Navigation Satellite System |
| CM |
Mission Centre |
| CNES |
French National Space Agency |
| CODIR |
Steering Committee |
| DNO |
Digital Solutions, Ground Segment & Operations Directorate |
| DORIS |
Doppler Orbitography and Radiopositioning Integrated by Satellite |
| DT |
Differed Time |
| EGNOS |
European Geostationary Navigation Overlay System |
| ESA |
European Space Agency |
| ETRS89 |
European Terrestrial Reference System 89 |
| EUREF |
European Reference Frame |
| GLONASS |
Global Navigation Satellite System |
| GNSS |
Global Navigation Satellite Systems |
| GPS |
Global Positioning System |
| GRC-MS |
Galileo Reference Center - Member States |
| GSA |
European Global Navigation Satellite Systems Agency |
| IAG |
International Association of Geodesy |
| IGN |
French Geographic Institute |
| IGS |
International GNSS Service |
| ION |
Institute Of Navigation |
| IPEV |
Institut Paul Emile Victor |
| IRNSS |
Indian Regional Navigational Satellite System |
| ISP |
Internet Service Provider |
| ITRS |
International Terrestrial Reference System |
| MGEX |
Multi-GNSS Extension |
| NASA |
National Aeronautics and Space Administration, USA |
| OCA |
Observatoire de la Côte d'Azur |
| PPP |
Precise Point Positioning |
| QO |
Operational Qualification |
| QT |
Technical Qualification |
| QZSS |
Quazi-Zenith Satellite System |
| REGINA |
Réseau GNSS pour l'IGS et la NAvigation |
| RENAG |
REseau NAtional GPS permanent |
| REVEX |
Operations Review |
| RGP |
Réseau GNSS Permanent (IGN) |
| RT |
Real Time |
| RTCM |
Radio Technical Commission for Maritime services |
| RTS |
Real-Time Service |
| UTC |
Coordinated Universal Time |
| SBAS |
Satellite Based Augmentation System |
| SONEL |
Système d'Observation du Niveau des Eaux Littorales |
