IGS Glossary of Common Terms and Acronyms
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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 |
| AAC | Associate Analysis Center |
| AC | Analysis Center |
| AECL | Atomic Energy Canada Ltd. |
| AIUB | Astronomical Institute of the University of Berne, Switzerland |
| AS | anti-spoofing |
| ASI | Italian Space Agency |
| AUCK | existing IGS station in New Zealand |
| AWS | automatic weather station |
| BAdW | Bayerische Akademie der Wissenschaften, Germany |
| BEK | Bayerische Kommission für die Internationale Erdmessung, Germany |
| BIFROST | Baseline Inferences for Rebound Observations Sea Level and Tectonics (Scandinavian) |
| BPE | Bernese Processing Engine |
| BRD | broadcast ephemeris |
| BSW | Bernese Software |
| CA | coarse acquisition |
| CB | Central Bureau |
| CBIS | Central Bureau Information System |
| CDDIS | Crustal Dynamics Data Information System, USA |
| CEA | Commissariat à l'Energie Atomique |
| CEGRN | Central Europe GPS Reference Network |
| CEI CERGOP | Central European Initiative, Central Europe Regional Geodynamics Project |
| CGS | Matera Space Geodesy Center, Italy |
| CHAT | existing IGS station in New Zealand |
| CICESE | Centro de Investigación Científica y de Educación Superior de Ensenada, Mexico |
| CISAS | Centro Interdipartimentale di Studi e Attivita' Spaziali |
| CLG | Central Laboratory for Geodesy, Sofia |
| CNES | Centre National d'Etudes Spatiales, France |
| COD | Centre for Orbit Determination |
| CODE | Center for Orbit Determination in Europe |
| COP | Code predicted (orbit) |
| CPU | central processor unit |
| CSR | Center for Space Research, USA |
| DCE | data communication equipment |
| DEC | Digital Equipment Corporation |
| DGFI | Deutsches Geodätisches ForschungsInstitut |
| DORIS | Doppler Orbitography and Radiopositioning Integrated by Satellite |
| DUBO | Lac du Bonnet: a new Canadian deformation array site |
| DUT | Delft University of Technology |
| EMP | EMR predicted (orbit) |
| EMR | Energy, Mines, and Resources; now Natural Resources Canada (NRCan) |
| EOP | Earth orientation parameter |
| erp | Earth rotation parameter |
| ESA | European Space Agency |
| ESOC | European Space Operations Center |
| ESP | ESA predicted (orbit) |
| ETRS | European Terrestrial Reference System |
| EUR | Europe |
| EUREF | European Reference Frame |
| FAGS | Federation of Astronomical and Geophysical Data Analysis Services |
| FGI | Finnish Geodetic Institute |
| FLIN | Flin Flon: a new Canadian deformation array site |
| GDC | Global Data Center |
| GFP | GFZ predicted (orbit) |
| GFZ | GeoForschungsZentrum, Germany |
| GIA | Geophysical Institute, University of Alaska |
| GIBS | GPS Information and Observation System, Germany |
| GIS | Geographic Information Systems |
| GL | Geosciences Laboratory |
| Global station | A station whose data is regularly analyzed by at least three Analysis Centers, one of which must be on a different continent from the station |
| GLOSS | Global Sea Level Observing Systems |
| GMST | Greenwich mean sidereal time |
| GNAAC | Global Network Associate Analysis Center |
| GNO | GPS Networks and Operations Group (also GNOG), JPL |
| GNOS | GPS Network Operating System, JPL |
| GNRT | Generalized Near-Real Time, JPL |
| GNS | Institute of Geological and Nuclear Sciences, New Zealand |
| GNSS | Global Navigation Satellite System |
| GODC | Geosciences Laboratory Operational Data Center |
| GOP | Geodetic Observatory Pecny |
| GPS | Global Positioning System |
| GSC | Geological Survey of Canada |
| GSD | Geodetic Survey Division, Canada |
| GSF | Goddard Space Flight Center, USA |
| GSI | Geographical Survey Institute, Japan |
| GZ | GEOZUP Company, Kaliningrad, Russia |
| IAA | Institute of Applied Astronomy, Russia |
| IAG | International Association of Geodesy |
| IAPSO | International Association for the Physical Sciences of the Ocean |
| IAU | International Astronomical Union |
| IBGE | Instituto Brasileiro de Geografía e Estatistica, Brazil |
| ICET | International Center for Earth Tides |
| ICRF | International Celestial Reference Frame |
| IERS | International Earth Rotation Service |
| IfAG | Institute for Applied Geodesy, Germany |
| IfEN | Institut für Erdmessung und Navigation |
| IFG | EUREF Analysis Center |
| IFRTP | Institut Français pour la Recherche et la Technologie Polaire |
| IGFN | Italian GPS Fiducial Network |
| IGN | Institut Géographique National, France |
| IGNS | Institute of Geological and Nuclear Sciences, New Zealand (see
also GNS) |
| IGP | IGS predicted (orbit) |
| IGR | IGS rapid (orbit) |
| IGS | International GNSS Service, formerly the International GPS Service |
| IISC | Indian Institute of Science, Center for Mathematical Modeling
and Computer Simulation, Bangalore, India |
| IRKT | GPS station in Irkutsk, Russia |
| ITRF | International Terrestrial Reference Frame |
| ITRS | International Terrestrial Reference System |
| IUGG | International Union of Geodesy and Geophysics |
| JOZE | IGS permanent GPS station Jozefoslaw, Poland |
| JPL | Jet Propulsion Laboratory, USA |
| JPP | JPL predicted (orbit) |
| KMS | National Survey and Cadastre of Denmark |
| LA | long arc |
| LDC | Local Data Center |
| LINZ | Land Information of New Zealand |
| LLR | lunar laser ranging |
| LNAAC | Local Network Associate Analysis Center |
| LODR | length of day (regularized) |
| LPT | Bundesamt für Landestopographie, Switzerland |
| MADR | GPS station in Madrid, Spain |
| MINQE | Minimum Invariant Quadratic Estimate |
| MIT | Massachusetts Institute of Technology |
| NASA | National Aeronautics and Space Administration, USA |
| NAVSTAR | Navigation System Timing and Ranging |
| NCL | University of Newcastle, UK |
| NEOS | National Earth Orientation Service |
| NEQ | normal equation |
| NGS | National Geodetic Survey |
| NIMA | National Imagery and Mapping Agency (formerly Defense
Mapping Agency), USA |
| NKG | Nordic Geodetic Commission |
| NLS | National Land Survey of Sweden |
| NOAA | National Oceanic and Atmospheric Administration, USA |
| NRCan | Natural Resources Canada |
| NUVEL-NNR | Northwestern University velocity model, no net rotation |
| OCA | Observatoire de la Côte d'Azur |
| OLG | Observatory Lustbühel Graz, Austria |
| PAD | Packet Assembler-Disassembler |
| PGC | Pacific Geoscience Centre, Canada |
| PM | polar motion |
| PRN | pseudo random number |
| PSTN | Public Switched Telephone Network |
| RDC | Regional Data Center |
| RIGTC | Research Institute of Geodesy, Topography, and Cartography |
| RINEX | Receiver-Independent Exchange format |
| rms | root mean square |
| RNAAC | Regional Network Associate Analysis Center |
| ROB | Royal Observatory of Belgium |
| SA | Selective Availability |
| SCIGN | Southern California Integrated GPS Network, USA |
| SGGS | Satellite Geodesy and Geodynamics Systems Group, JPL, USA |
| SINEX | Software-Independent Exchange format |
| SIO | Scripps Institution of Oceanography, USA |
| SIP | SIO predicted (orbit) |
| SIR | see SIRGAS |
| SIRGAS | Sistema de Referencia Geocéntrico para América del Sur (South
American Geocentric Reference System) |
| SLR | satellite laser ranging |
| SSC | Sets of Station Coordinates |
| TCP/IP | Transmission Control Protocol/Internet Protocol |
| TDAF | Tracking and Data Analysis Facility |
| TEC | total electron content |
| UNAVCO | University NAVSTAR Consortium, USA |
| UPAD | University of Padova |
| UPS | uninterruptible power supply |
| USGS | U.S. Geological Survey |
| USNO | United States Naval Observatory |
| UST | University of Science and Technology, Ghana |
| VLBI | very long baseline radio interferometry |
| WETT | IGS permanent station in Wettzell, Germany |
| WGTN | planned IGS station in New Zealand |
| WRMS | weighted root mean square |
| WUT | Warsaw University of Technology, Poland |
| WWW | World Wide Web |
| YSI | Yellow Springs Instruments, USA |
