| g |
acceleration due to gravity |
| g |
gram |
| G |
Gain |
| G |
Gravity |
| G |
universal constant of gravitation |
| GaAs |
Gallium Arsenide |
| GaAsFET |
Gallium Arsenide Field Effect Transistor |
| GAC |
Global Area Coverage |
| GAGR |
Group Automatic Gain Regulator |
| GaN |
Gallium Nitride |
| GAN |
Global Area Network |
| GARP |
Global Atmospheric Research Program |
| GARS |
Geological Applications for Remote Sensing |
| GATT |
General Agreement on Tariffs and Trade |
| GBO |
Globalstar Business Office |
| GC |
Ground Controller |
| GCC |
Gateway Control Centre |
| GCC |
Globalstar Control Centre |
| GCE |
Ground Communications Equipment |
| GCE |
Ground Control Equipment |
| GCF |
Ground Communications Facility |
| GCMIS |
Gateway Customer Management Information System |
| GCS |
Ground Control System |
| GDE |
Group Delay Equalisation |
| GDF |
Group Distribution Frame |
| GDN |
Globalstar Data Network |
| GDPS |
Global Data Processing System |
| GDS |
Ground Data System |
| GDSCC |
Goldstone Deep Space Communications Complex |
| GEMS |
Global Environment Monitoring System |
| GEO |
Geostationary Earth Orbit |
| GEO |
Geosynchronous Earth Orbit |
| GEO-IRS |
Geostationary - Infrared Sensor |
| GES |
Gateway Earth Station |
| GES |
Gemini Earth Station |
| GES |
Ground Earth Station |
| GFSK |
Gaussian Frequency Shift Keying |
| GGSN |
Gateway GPRS Support Node |
| GHA |
Greenwich Hour Angle |
| GHz |
Giga Hertz; 109 cycles per second |
| GIP |
Group Interface Processor |
| GIS |
Geographic Information System |
| GLOC |
Gravity Induced Loss of Conciousness |
| GLONASS |
Global Navigation Satellite System |
| GMA |
Gated Mode Acquisition Procedure |
| GMDSS |
Global Maritime Distress and Safety System |
| GME |
Group Modulating Equipment |
| GMPCS |
Global Mobile Personal Communications by Satellite |
| GMPRS |
Geo-Mobile Packet Radio Service |
| GMR |
Geo-Mobile Radio |
| GMS |
Gateway Management System |
| GMSK |
Gaussian-filtered Minimum Shift Keying |
| GMT |
Greenwich Mean Time |
| GNC |
Guidance/Navigation/Control |
| Gnd, GND |
Ground |
| GNS |
Global Network Services |
| GNSS |
Global Navigation Satellite System |
| GOCC |
Ground Operation Control Centre |
| GOS |
Grade Of Service |
| GPIB |
General Purpose Interface Bus |
| GPRS |
General Packet Radio Service |
| GPS |
Global Positioning System |
| GPSDO |
GPS Disciplined Oscillator |
| GRD |
Ground Resolved Distance |
| GR |
Guaranteed Reservation |
| GRID |
Global Resource Information Database |
| GRP |
Group Reference Point |
| GS |
Ground Station |
| GSaaS |
Ground Segment as a Service |
| GSC |
Gateway Station Controller |
| GSE |
Ground Support Equipment |
| GSFC |
Goddard Space Flight Center |
| GSM |
Global System for Mobile Communications (renamed from Groupe Système Mobile) |
| GSO |
Geossynchronous Orbit |
| GSS |
Gateway message Switching System |
| GSS |
Gateway Station Subsystem |
| GSSR |
Goldstone Solar System Radar |
| G/T |
Quality factor: Gain to Noise Temperature Ratio |
| GTE |
Ground Test Equipment |
| GTE |
Group Translating Equipment |
| GTL |
GeoTail spacecraft |
| GTO |
Geostationary Transfer Orbit |
| GTO |
Geosynchronous Transfer Orbit |
| GTS |
Global Telecommunications System |
| GUI |
Graphical User Interface |
| GW |
Gateway |
