G

GIS Geographical Information System
GISP Global Internet Service Provider
GLONASS Global Orbiting Navigation Satellite System * / Système mondial de satellites de
navigation (FR)
GLOSS Global Sea Level Observing System
GLSU GPS Landing System Unit
GM Guidance Material
Gmbh Gemeinschaft mit beschränkter Haftung (DE)
GMC Ground Movement control
GMD General Meeting of Directors
GMS Ground Monitoring System
GMS Ground Movement Surveillance
GMT Greenwich Mean Time. See UTC
GMU GPS Height Monitoring Unit
GMV Grupo de Mecánica del Vuelo (ES)
GNC Global NAVCOM * (IATA/ICAO Conference)
GND Ground Control service / facility
GND Ground Level
GNE Gross Navigational Error *
GNLS GNSS Navigation and Landing System *
GNLU GNSS Navigation and Landing Unit *
GNP Gross National Product
GNS Global Navigation System
GNSS Global Navigation Satellite System * / Système mondial de navigation par satellite
GNSSP Global Navigation Satellite System Panel * (ICAO)
GOMS Goals, Operators, Methods, Selection (rules) *
GOSPAR GPS Operational Control System Performance Analysis and Reporting
GOTV GNSS Operational Test and Validaton
GP Glide Path
GPEA Groupe Permanent de l'Espace Aérien (FR)
GPIWG Glide Path Intercept Waypoint
GPS Satellite Navigation and Global Positioning System *
GPS Geographical Paging / Positioning System *
GPSSU GPS Sensor Unit
GPTP Guided Part-Task Practice *
GPV GNSS Performance Validation
GPWS Ground Proximity Warning System
GR Greece
GRACE Geographical Association and Classification of Events *
GRADE Ground Return Area Digital Eliminator
GRANAS Global Radio Navigation System (D)