GNSS Glossary

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G-SBAS :

Geostationary-Satellite Based Augmentation Systems

G/S :

Ground Segment

GBA :

Geostationary Broadcast Area

GBAS :

Ground Based Augmentation System

GEO :

Geostationary Earth Orbit or INMARSAT Geostationary satellite

Geo-IoT :

Geolocation - Internet of Things

GIC :

Ground Integrity Channel

GIVD :

Grid Ionospheric Vertical Delay

GIVE :

Grid Ionospheric Vertical Error

GLONASS :

Global'naya Navigatsionnaya Sputnikovaya Sistema or Global Navigation Satellite System

GMDSS :

Global Maritime Distress and Safety System

GNOS :

Geostationary Navigation Overlay Service

GNSS :

Global Navigation Satellite System

GNSS-1 :

GNSS First Generation

GNSS-P :

GNNS Panel

GPRS :

General Packet Radio Services

GPS :

Global Positioning System

GRAIM :

Ground RAIM

GRS :

Geostationary Ranging Stations or Geostationary Ranging System

GRS-H :

GRS – Hartebeeshoek, South Africa

GRS-K :

GRS – Kourou, Guyana

GRS-S :

GRS – Singapore

GRS-T :

GRS – Toulouse, France

GS :

Ground Speed or Ground Segment

GSA :

European GNSS Agency

GSBAS :

Geostationary Satellite Based Augmentation System

GSCN :

Ground Segment Communication Network

GSM :

Global System for Mobile communications

GSRD :

Ground Segment Requirements Document

GSVP :

Ground Segment Verification Plan

GUI :

Graphical User Interface

GW :

GateWay

Gyro :

Gyroscope

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