GAN Global.Area.Network
GATM Global Air Traffic Management
GBAS Ground.Based.Augmentation.System
GBST Ground-Based.Software.Tool
Gbyte Gigabyte.(billion.bytes)
GCAS Ground.Collision.Avoidance.System
GCB Generator.Circuit.Breaker
GCC Ground.Cluster.Controller.(ACARS)
GCIS Global.Component.Information.System
GCP Generic.Control.Panel.(circuit.card)
GCS Ground.Clutter.Suppression
GCU Generator.Control.Unit
GDLP Ground.Data.Link.Processor
GDOP Geometric Dilution Of Precision. A term referring
to.error.introduced.in.a.GPS.calculation.due.to.
the.positioning.of.the.satellites.and.the.receiver.
GDP Ground.Delay.Program
GE4 Graphics.Engine.4
GEN Generator
GEO Geostationary Earth Orbit GES Ground.Earth.Station GFE Government Furnished Equipment GFI General Format Identifier GFSK Gaussian Frequency Shift Keying GG (.1.).Graphics.Generator..
(.2.).Ground-Ground
GGM Graphics.Generator.Module
GGTFM Ground-Ground Traffic Flow Management
GGR Ground-Ground.Router
GGS Global.Positioning.System.Ground.Station
GH Ground.Handling
GHz Gigahertz.(billion.hertz)
GI Group Identifier
GIB GNSS.Integrity.Broadcast
GIC GNSS.Integrity.Channel
GICB Ground-Initiated.Comm-B
GIGO Garbage-In Garbage-Out
GIHO Ground.Initiated.Handoff
GL (.1.).Ground.Location.(ACARS/AFEPS)..
(.2.).Group.Length
Glidepath The.approach.path.used.by.an.aircraft.during.an. instrument.landing.or.the.portion.of.the.glideslope. that.intersects.the.localizer..The.glide.path.does. not.provide.guidance.completely.to.a.touch.down.
point.on.the.runway.
Glideslope The.vertical.guidance.portion.of.an.ILS.system.
GLNS GPS.Landing.and.Navigation.System
GLNU GPS.Landing.and.Navigation.Unit
GLONASS Global.Navigation.Satellite.System
GLS (.1.).GPS/GNSS.Landing.System..
(.2.).Gun.Laying.System GLU GPS/GNSS.Landing.Unit
GM Guidance.Material GMC Ground.Movement.Control GMT Greenwich.Mean.Time..GMT.is.a.universal.time.
scale.based.upon.the.mean.angle.of.rotation.of. the.earth.about.its.axis.in.relation.to.the.sun..It. is.referenced.to.the.prime.meridian.that.passes. through.Greenwich,.England.
GMU Global.Network.Architecture
GND Ground
GNE Gross.Navigational.Error
GNLS GNSS.Navigator.and.Landing.System
GNLU GNSS.Navigator.and.Landing.Unit
GNR Global.Navigation.Receiver
GNSS Global.Navigation.Satellite.System
GNSSP Global.Navigation.Satellite.System.Panel
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