Acronyms - G

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G/T - Gain over Temperature

G&A - General and Administrative

GAM - Geography Analysis and Monitoring

GAO - General Accounting Office

GAQD - Originator Routing Code for IIRV Messages

GAR - Global Archive Refresh

GB - Gigabyte

GBFOM - Global Band Figure of Merit

GBICS - Gigabit Interface Converters

GCCB - Ground Segment Configuration Control Board

GCOR - Temperature corrected Gains

GCP - Ground Control Point

GCTP - General Cartographic Transformation Package

GDAL - Geospatial Data Abstraction Library

GDP - Gross Domestic Product

GDS - Ground Data Systems

GEO - Geolocation Index File

GEOM - Geometric

GeoRSS - Geographic Really Simple Syndication

GeoTIFF - Geographic Tagged Image File Format

GEVS - General Environmental Verification Specification

GFE - Government-Furnished Equipment

GFS - Global File System

GFY - Government Fiscal Year

GHz - Gigahertz

GIA - Government Inspection Agency

GIDEP - Government Industry Data Exchange Program

GigE - Gigabit Ethernet

GIO - Geographic Information Officer

GIPS - Geo-Informatics Products and Solutions

GISRA - Government Information Security Reform Act

GISTDA - Geo-Informatics and Space Technology Development Agency (Thailand)

GLC - Ground Look Calibration Request or Gilmore Creek

GloVis - Global Visualization Viewer

GLS - Global Land Survey or Global File System

GMAP - Global Monitoring Acquisition Plan

GMT - Greenwich Mean Time

GN - Ground Network

GNE - Ground Network Element

GNE-DCRS - Ground Network Element Data Collection and Routing System

GNERD - GNE Requirements Document

GOES - Geostationary Operational Environmental Satellite

GOP - Ground Operations Plan

GOT - Ground Operations Team

GOTS - Government Off The Shelf

GP4 - General Perturbations Theory

GPD - GSFC Policy Directive

GPL - General Public License

GPS - Geometric Processing System or Gap Phase Statistic or Global Positioning System or Geometric Processing Subsystem

GRI - Ground Reference Image

GRIB - Gridded Data

GRID - Global Resource Information Database

GRM - Ground Readiness Manager

GRS - Grid Reference System (SPOT)

GRT - Ground Readiness Test

GRTT - Ground Readiness Test Team

GS - Ground System or Ground Segment

GSA - U.S. General Services Administration or Ground Station Analyst

GSC - Ground Station Controller

GSD - Ground Sampling Distance or Guide Star Data

GSE - Ground Support Equipment, Ground Station Engineers

GSFC - Goddard Space Flight Center

GSI - Ground Station Identifier or Ground System Infrastructure

GSIRD - Ground System Interface Requirements Document

GSIWG - Ground System Interface Working Group

GSL - GNU Scientific Library

GSM - Ground System Manager

GSRD - Ground System Requirements Document

GSSP - Guide for Developing Security Plans for Information Technology Systems

GST - Geographic Support Team or Ground Station Technician

GSTDN - Ground Spaceflight Tracking and Data Network

GSWG - Ground System Working Group

GSVVP - Ground System Verification and Validation Plan

GSVWG - Ground System Verification Working Group

GTOPO30 - Global 30 Arc-Second Elevation Data Set

GUI - Graphical User Interface

GXA - Gimbaled X-band Antennae