Dieses Verzeichnis enthält zur Zeit 1462 Abkürzungen.
| G/NAV | Governmental Navigation Message |
| GA | Ground Antenna |
| GACF | Ground Assets Control Facility |
| GADEROS | Galileo Demonstrator for Railway Operation System |
| GAGAN | GPS Aided Geo Augmented Navigation (regionale GNSS-Erweiterung Indien) |
| Gaia | Globales Astrometrisches Interferometer für die Astrophysik (veraltete Langfassung) |
| GALOS | Geodetic Aspects of the Law of the Sea (IAG) |
| GARS | Global Area Reference System (USA) |
| GAST | Greenwich Apparent Sidereal Time |
| GATE | Galileo Test and Development Environment |
| GBAS | Ground Based Augmentation System |
| GBSAR | Ground Based Synthetic Aperture Radar |
| GBVP | Geodetic Boundary Value Problem |
| GC | Great Circle (Navigation) |
| GCC | Galileo Control Centre |
| GCC | Ground Control Centres |
| GCG05 | German Combined QuasiGeoid 2005 |
| GCG2016 | German Combined Geoid 2016 |
| GCP | Ground Control Point |
| GCRF | Gaia Celestial Reference Frame |
| GCRF | Geocentric Celestial Reference Frame |
| GCRS | Geocentric Celestial Reference System |
| GCS | Ground Control Segment |
| GCS | Ground Control System (Galileo) |
| GDF | Geographic Data Files |
| GDI | Geo Daten Infrastruktur |
| GDOP | Geometrical DOP (GNSS) |
| GDV | Group Delay Variations (GNSS) |
| GEAS | GNSS Evolutionary Architecture Study |
| GEO | Geostationärer Erdorbit |
| GEO | Group on Earth Observations www.earthobservations.org |
| GEOS | Geodetic Earth Orbiting Satellite |
| GEOSAT | Geodetic Satellite (1985-86) |
| GeoSN | Staatsbetrieb Geobasisinformation und Vermessung Sachsen www.geosn.sachsen.de |
| GEOSS | Global Earth Observing System of Systems www.earthobservations.org |
| GESS | Galileo Experimental Sensor Stations |
| GFZ | GeoForschungsZentrum (Potsdam) www.gfz-potsdam.de |
| GGN | Geodätisches Grundnetz |
| GGOS | Global Geodetic Observation System www.ggos.org |
| GGP | Geodätischer Grundnetzpunkt |
| GGRF | Global Geodetic Reference Frame |
| GGRS | Global Geodetic Reference System |
| GGSP | Galileo Geodetic Service Provider |
| GGTO | GPS-Galileo Time Offset |
| GHM | Gauß-Helmert-Modell (Ausgleichungsrechnung) |
| GHPS | Geodätischer Hochpräziser Positionierungsservice (SAPOS, eingestellt) |
| GIA | Glacial Isostatic Adjustment |
| GIC | GNSS/Ground Integrity Channel |
| GIM | Global Ionospheric Map |
| GiN | Gitternord (Navigation) |
| GIOVE | Galileo In-Orbit Validation Element |
| GIS | Geographisches Informationssystem |
| GIT | GNSS Implementation Team |
| GIVD | Grid Ionospheric Vertical Delay |
| GIVE | Grid Ionospheric Vertical Error |
| GIVEI | GIVE Indicator |
| GJU | Galileo Joint Undertaking |
| GK | Gauß-Krüger (Koordinatensystem) |
| GK | Großkreis (Navigation) |
| GKGM | Gesellschaft zur Kalibrierung geodätischer Messmittel www.gkgm.de |
| GLA | General Lighthouse Authorities |
| GLONASS | Globales Navigationssatellitensystem (Globalnaja nawigazionnaja sputnikowaja sistema) |
| GLONASST | GLONASS Time |
| GLOSS | Global Sea Level Observing System www.gloss-sealevel.org |
| GLP | Good Laboratory Practice |
| GLS | GBAS Landesystem (Navigation) |
| GLS | GNSS Landesystem (Navigation) |
| GMDSS | Global Maritime Distress and Safety System |
| GMF | Global Mapping Function (GNSS Atmosphärenmodell) |
| GML | Geographic Markup Language |
| GMM | Gauß-Markov-Modell (Ausgleichungsrechnung) |
| GMS | Ground Mission Segment (Galileo) |
| GMSK | Gaussian Minimum Shift Keying |
| GMST | Greenwich Mean Sidereal Time |
| GMT | Generic Mapping Tool |
| GMT | Greenwich Mean Time |
| GN | Gitternord (Navigation) |
| GNS | Global Navigation System |
| GNSS | Globales Navigationssatellitensystem |
| GNSSP | GNSS Panel |
| GOC | Galileo Operating Company |
| GOCA | GNSS/LPS/LS-based online Control and Alarm System www.goca.info |
| GOCE | Gravity Field and Steady-State Ocean Circulation Explorer www.goce-projektbuero.de |
| GOOS | Global Ocean Observing System |
| GOW | Geodätisches Observatorium Wettzell www.fs.wettzell.de |
| gpm | geopotentielles Meter |
| GPPS | Geodätischer Postprocessing Positionierungsservice (SAPOS) www.sapos.de |
| GPPS | Geodätischer präziser Positionierungsservice (Bezeichnung veraltet) |
| GPRS | General Packet Radio Service |
| GPS | Globales Positionierungssystem |
| GPS/MET | Global Positioning System/Meteorology |
| GPSDO | GPS Disciplined Oscillator |
| GPSOC | GPS Operations Center |
| GPST | GPS Time |
| GPSW | GPS Wing |
| GPT | Global Pressure/Temperature Model (GNSS Atmosphärenmodell) |
| gpu | geopotential unit (10 m²/s²) |
| GRACE | Gravity Recovery and Climate Experiment www.dlr.de |
| GRACE-FO | Gravity Recover and Climate Follow-On Experiment |
| GRAPHIC | Group and Phase Ionospheric Calibration |
| GRAPHIC | Group and Phase Ionospheric Correction |
| GRAS | Ground-Based Regional Augmentation System |
| GRASP | Geodetic Reference Antenna in Space |
| GRC | Galileo Reference Centre |
| GREF | Geodätisches Referenznetz (Deutschland) |
| GRGS | Groupe de recherches en géodésie spatiale |
| GRI | Gridded Ionosphere |
| GRS | Geodätisches Referenzsystem |
| GRS67 | Geodätisches Referenzsystem 1967 |
| GRS80 | Geodätisches Referenzsystem 1980 |
| GRSP | Geodetic Reference Service Provider |
| GRT | Gridded Troposphere |
| GSA | European GNSS Agency www.gsa.europa.eu |
| GSC | European GNSS Service Centre |
| GSFC | Goddard Space Flight Center |
| GSI | Geo Serial Interface (Leica Geosystems) |
| GSLV | Geosynchronous Satellite Launch Vehicle |
| GSM | Global System for Mobile Communications (ehemals Groupe Spécial Mobile) |
| GSMC | Galileo Security Monitoring Centre |
| GSN | Geosensornetz |
| GSO | Geostationärer Satelliten-Orbit |
| GSO | Geosynchroner Orbit |
| GSS | Galileo Sensor Station |
| GST | Galileo System Time |
| GST | Greenwich Sidereal Time |
| GTRF | Galileo Terrestrial Reference Frame |
| GTRS | Geozentrisches Terrestrisches Referenzsystem |
| GTSP | Galileo Time Service Provider |
| GUM | Guide to the Expression of Uncertainty in Measurement |
| GURN | GNSS Upper Rhine Graben Network |
| GUS | Ground Uplink Station |
| GVI | Global Vertical Ionosphere |
| GVRF | Global Vertical Reference Frame |
| GVRS | Globales Vertikales Referenzsystem |
| GyB | Gyro Bearing (Navigation) |
| GyC | Gyro Course (Navigation) |
| GyH | Gyro Heading (Navigation) |
| GyN | Gyro North (Navigation) |
Keine Treffer.