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IGS Glossary of Common Terms and Acronyms

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
AACAssociate Analysis Center
AC Analysis Center
AECLAtomic Energy Canada Ltd.
AIUBAstronomical Institute of the University of Berne, Switzerland
ASanti-spoofing
ASIItalian Space Agency
AUCKexisting IGS station in New Zealand
AWSautomatic weather station
BAdWBayerische Akademie der Wissenschaften, Germany
BEKBayerische Kommission für die Internationale Erdmessung, Germany
BIFROSTBaseline Inferences for Rebound Observations Sea Level and Tectonics (Scandinavian)
BPEBernese Processing Engine
BRDbroadcast ephemeris
BSWBernese Software
CAcoarse acquisition
CBCentral Bureau
CBISCentral Bureau Information System
CDDISCrustal Dynamics Data Information System, USA
CEACommissariat à l'Energie Atomique
CEGRNCentral Europe GPS Reference Network
CEI CERGOPCentral European Initiative, Central Europe Regional Geodynamics Project
CGSMatera Space Geodesy Center, Italy
CHATexisting IGS station in New Zealand
CICESECentro de Investigación Científica y de Educación Superior de Ensenada, Mexico
CISASCentro Interdipartimentale di Studi e Attivita' Spaziali
CLGCentral Laboratory for Geodesy, Sofia
CNESCentre National d'Etudes Spatiales, France
CODCentre for Orbit Determination
CODECenter for Orbit Determination in Europe
COPCode predicted (orbit)
CPUcentral processor unit
CSRCenter for Space Research, USA
DCEdata communication equipment
DECDigital Equipment Corporation
DGFIDeutsches Geodätisches ForschungsInstitut
DORISDoppler Orbitography and Radiopositioning Integrated by Satellite
DUBOLac du Bonnet: a new Canadian deformation array site
DUTDelft University of Technology
EMPEMR predicted (orbit)
EMREnergy, Mines, and Resources; now Natural Resources Canada (NRCan)
EOPEarth orientation parameter
erpEarth rotation parameter
ESAEuropean Space Agency
ESOCEuropean Space Operations Center
ESPESA predicted (orbit)
ETRSEuropean Terrestrial Reference System
EUREurope
EUREFEuropean Reference Frame
FAGSFederation of Astronomical and Geophysical Data Analysis Services
FGIFinnish Geodetic Institute
FLINFlin Flon: a new Canadian deformation array site
GDCGlobal Data Center
GFPGFZ predicted (orbit)
GFZGeoForschungsZentrum, Germany
GIAGeophysical Institute, University of Alaska
GIBSGPS Information and Observation System, Germany
GISGeographic Information Systems
GL Geosciences Laboratory
Global stationA station whose data is regularly analyzed by at least three Analysis Centers, one of which must be on a different continent from the station
GLOSSGlobal Sea Level Observing Systems
GMSTGreenwich mean sidereal time
GNAACGlobal Network Associate Analysis Center
GNOGPS Networks and Operations Group (also GNOG), JPL
GNOSGPS Network Operating System, JPL
GNRTGeneralized Near-Real Time, JPL
GNSInstitute of Geological and Nuclear Sciences, New Zealand
GNSSGlobal Navigation Satellite System
GODCGeosciences Laboratory Operational Data Center
GOPGeodetic Observatory Pecny
GPSGlobal Positioning System
GSCGeological Survey of Canada
GSDGeodetic Survey Division, Canada
GSFGoddard Space Flight Center, USA
GSIGeographical Survey Institute, Japan
GZGEOZUP Company, Kaliningrad, Russia
IAAInstitute of Applied Astronomy, Russia
IAGInternational Association of Geodesy
IAPSOInternational Association for the Physical Sciences of the Ocean
IAUInternational Astronomical Union
IBGEInstituto Brasileiro de Geografía e Estatistica, Brazil
ICETInternational Center for Earth Tides
ICRFInternational Celestial Reference Frame
IERSInternational Earth Rotation Service
IfAGInstitute for Applied Geodesy, Germany
IfENInstitut für Erdmessung und Navigation
IFGEUREF Analysis Center
IFRTPInstitut Français pour la Recherche et la Technologie Polaire
IGFNItalian GPS Fiducial Network
IGNInstitut Géographique National, France
IGNSInstitute of Geological and Nuclear Sciences, New Zealand (see also GNS)
IGPIGS predicted (orbit)
IGRIGS rapid (orbit)
IGSInternational GNSS Service, formerly the International GPS Service
IISCIndian Institute of Science, Center for Mathematical Modeling and Computer Simulation, Bangalore, India
IRKTGPS station in Irkutsk, Russia
ITRFInternational Terrestrial Reference Frame
ITRSInternational Terrestrial Reference System
IUGGInternational Union of Geodesy and Geophysics
JOZEIGS permanent GPS station Jozefoslaw, Poland
JPLJet Propulsion Laboratory, USA
JPPJPL predicted (orbit)
KMSNational Survey and Cadastre of Denmark
LAlong arc
LDCLocal Data Center
LINZLand Information of New Zealand
LLRlunar laser ranging
LNAACLocal Network Associate Analysis Center
LODRlength of day (regularized)
LPTBundesamt für Landestopographie, Switzerland
MADRGPS station in Madrid, Spain
MINQEMinimum Invariant Quadratic Estimate
MITMassachusetts Institute of Technology
NASANational Aeronautics and Space Administration, USA
NAVSTARNavigation System Timing and Ranging
NCLUniversity of Newcastle, UK
NEOSNational Earth Orientation Service
NEQnormal equation
NGSNational Geodetic Survey
NIMANational Imagery and Mapping Agency (formerly Defense Mapping Agency), USA
NKGNordic Geodetic Commission
NLSNational Land Survey of Sweden
NOAANational Oceanic and Atmospheric Administration, USA
NRCanNatural Resources Canada
NUVEL-NNRNorthwestern University velocity model, no net rotation
OCAObservatoire de la Côte d'Azur
OLGObservatory Lustbühel Graz, Austria
PADPacket Assembler-Disassembler
PGCPacific Geoscience Centre, Canada
PMpolar motion
PRNpseudo random number
PSTNPublic Switched Telephone Network
RDCRegional Data Center
RIGTCResearch Institute of Geodesy, Topography, and Cartography
RINEXReceiver-Independent Exchange format
rmsroot mean square
RNAACRegional Network Associate Analysis Center
ROBRoyal Observatory of Belgium
SASelective Availability
SCIGNSouthern California Integrated GPS Network, USA
SGGSSatellite Geodesy and Geodynamics Systems Group, JPL, USA
SINEXSoftware-Independent Exchange format
SIOScripps Institution of Oceanography, USA
SIPSIO predicted (orbit)
SIRsee SIRGAS
SIRGASSistema de Referencia Geocéntrico para América del Sur (South American Geocentric Reference System)
SLRsatellite laser ranging
SSCSets of Station Coordinates
TCP/IPTransmission Control Protocol/Internet Protocol
TDAFTracking and Data Analysis Facility
TECtotal electron content
UNAVCOUniversity NAVSTAR Consortium, USA
UPADUniversity of Padova
UPSuninterruptible power supply
USGSU.S. Geological Survey
USNOUnited States Naval Observatory
USTUniversity of Science and Technology, Ghana
VLBIvery long baseline radio interferometry
WETTIGS permanent station in Wettzell, Germany
WGTNplanned IGS station in New Zealand
WRMSweighted root mean square
WUTWarsaw University of Technology, Poland
WWWWorld Wide Web
YSIYellow Springs Instruments, USA


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This page last updated: 8 Jul 2005
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