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
| Acronym/Symbol | Definition | More Information |
|---|---|---|
| 3ROX | Three Rivers Optical Exchange | |
| 3S | Small Satellite System, Suite de Systeme SPOT, SPOT Successor System | |
| A | Back to top | |
| AAC | ABoVE Airborne Campaign Associate Analysis Center | |
| AAOE | Airborne Antarctic Ozone Experiment | |
| aaS | as a Service | |
| AATSR | Advanced Along-Track Scanning Radiometer | |
| ABBA | Arctic Boreal Burned Area | |
| ABI | Advanced Baseline Imager | |
| ABoVE | Arctic Boreal Vulnerability Experiment | |
| ABRACOS | Anglo-Brazilian Amazonian Climate Observation Study | |
| AC | Analysis Center | |
| ACC | IGS Analysis Center Coordinator | |
| ACCESS | Advancing Collaborative Connections for Earth System Science program | |
| ACEP | ABoVE Concise Experiment Plan | |
| ACEPOL | Aerosol Characterization from Polarimeter and LIDAR | |
| ACES | Anthropogenic Carbon Emissions System | |
| ACL | Access Control List | |
| ACR | Active Cavity Radiometer | |
| ACRIM | Active Cavity Radiometer Irradiance Monitor | |
| ACRIMSAT | Active Cavity Radiometer Irradiance Monitor Satellite | |
| ACRS/TLAS | Automated Conflict Resolution System/TDRSS Look Angle System | |
| ACSI | American Customer Satisfaction Index | *commonly referred to as ACSI |
| ACT-America | Atmospheric Carbon and Transport–America | |
| ACTIVATE | Aerosol Cloud Meteorology Interactions over the Western Atlantic Experiment | |
| ACTS | Advanced Communication Technology Satellite | |
| ADC | Affiliated Data Center | |
| ADCP | Acoustic Doppler Current Profiler | |
| ADEOS | Advanced Earth Observing Satellite | |
| ADM | Atmospherics Dynamics Mission | |
| ADMG | Airborne Data Management Group | |
| ADN | ASTER Data Network | |
| ADRG | ARC-Digitized Raster Graphics | |
| ADS40 | Airborne Digital Sensor 40 | |
| ADSL | Asymmetric Digital Subscriber Line | |
| ADURD | Archiving, Distribution and User Services Requirements Document | |
| AEB | Agencia Espacial Brasileira | |
| AEM-2 | Application Explorer Mission-2 | |
| AERI | Atmospheric Emitted Radiance Interferometer | |
| AERONET | Aerosol Robotic Network | |
| AES | Atmospheric Environmental Service | |
| AESICS | ASTER Emergency Scheduling Interface and Control System | |
| AFGL | Air Force Geophysics Laboratory | |
| AfriSAR | Africa SAR | |
| AGAGE | Advanced Global Atmospheric Gases Experiment | |
| AGB | Aboveground Biomass | |
| AGI | Advanced Global Imager | |
| AGS | Alaska Ground Station | |
| AGU | American Geophysical Union | *commonly referred to as AGU |
| AHAP | Alaska High-Altitude aerial Photography | |
| AIAA | American Institute of Aeronautics and Astronautics | |
| AICC | Alaskan Interagency Coordination Center | |
| AIMs | Africover Interpretation and Mapping System | |
| AIMS | Airborne Integrated Mapping System | |
| AIR | Airborne Imaging Radar | |
| AIRGrav | Airborne Gravity | |
| AirMISR | Airborne Multi-Angle Imaging Spectroradiometer | |
| AirMOSS | Airborne Microwave Observatory of Subcanopy and Subsurface | |
| AirMSPI | Airborne Multi-angle Spectro Polarimetric Imager | |
| AIRS | Atmospheric Infrared Sounder | |
| AIRSAR | Aircraft Synthetic Aperture Radar | |
| AirSWOT | Airborne Surface Water and Ocean Topography | |
| AIUB | Astronomical Institute of Berne (Switzerland) | |
| ALEXIS | Array of Low Energy X-Ray Imaging Sensors | |
| ALI | Advanced Land Imager | |
| ALO | Astronomical Latitude Observatory (Poland) | |
| ALOS | Advanced Land Observation Satellite | |
| ALS | Aerial (Airborne) Laser Scanning | |
| ALTM | Airborne Laser Terrain Mapper | |
| ALTMS | Airborne LIDAR Topographic Mapping System | |
| AM | Automated Mapping | |
| AM/FM | Automated Mapping/Facilities Management | |
| AMAPS | Aerosol Measurement and Processing System | |
| AMI | Active Microwave Imager Amazon Machine Image | |
| AMI SAR | Active Microwave Imager Synthetic Aperture Radar | |
| AMPR | Advanced Microwave Precipitation Radiometer | |
| AMPS | Automatic Mapping and Planning System | |
| AMR | Altimetry Microwave Radiometer | |
| AMR-C | Advanced Microwave Radiometer-C | |
| AMRIR | Advanced Medium Resolution Imaging Radiometer | |
| AMS | American Meteorological Society | |
| AMSAT | Amateur Satellite | |
| AMSD | Adjusted Mapping Support Data | |
| AMSR | Advanced Microwave Scanning Radiometer | |
| AMSR-CU | Advanced Microwave Scanning Radiometer - Control Unit | |
| AMSR-E | Advanced Microwave Scanning Radiometer for EOS | |
| AMSR-SU | Advanced Microwave Scanning Radiometer - Sensor Unit | |
| AMSU | Advanced Microwave Sounding Unit | |
| AMSU-A1 | AMSU-A1 Module - Receives V and W Band Frequencies on Channels 3-15 | |
| AMSU-A2 | AMSU-A2 Module - Receives K and Ka Band Frequencies on Channels 1 & 2 | |
| AMSU-B | Advanced Microwave Sounding Unit-B (Earlier MHS, Became HSB) | |
| AMTS | Advanced Moisture and Temperature Sounder | |
| ANGe | Archive Next Generation | |
| ANOVA | Analysis of Variance | |
| AO | Announcement of Opportunity | |
| AOIPS | Atmospheric and Oceanographic Image Processing System | |
| AOL | Airborne Oceanographic LIDAR | |
| AOLP | Angle Of Linear Polarization | |
| AOPP | Atmospheric, Oceanic and Planetary Physics | |
| AOS | ASTER Operation Segment | |
| AOSP | Advanced On-Board Signal Processor | |
| APAN | Asia Pacific Area Network | |
| APAR | Absorbed Photosynthetic Active Radiation | |
| APCM | Aerial Photography Contract Management System | |
| API | Application programming interface | |
| APID | Application Process Identifier | |
| APOLLO | Apache Point Observatory Lunar Laser-ranging Operation | |
| AppEEARS | Application for Extracting and Exploring Analysis Ready Samples | |
| APR-3 | Airborne Precipitation Radar 3rd Generation | |
| APSG | Asia-Pacific Space Geodynamics Program | |
| APT | Automatic Picture Transmission | |
| APU | Autonomous Parsivel Unit | |
| AQT | Association Québecoise de Télédétection | |
| AQUA | Automated Data Query and Access | *as opposed to the Aqua satellite |
| ARA | Atmospheric Radiation Analysis | |
| ARB | 48" LIDAR Aerosol Reserach Branch | |
| ARC | Analysis and Review of CMR | |
| ARC | Ames Research Center | DO NOT USE (per NASA Style Guide) |
| ARCO | Augmented Representation of Cultural Objects | |
| ARELAS | Arequipa, Peru Laser Station | |
| ARESE | ARM (Atmospheric Radiation Measurement) Enhanced Shortwave Experiment | |
| ARGOS | Argos Data Collection and Position Location System | |
| ARIES | Astronomical Radio Interferometric Earth | |
| ARIN | American Registry of Internet Names | |
| ARISE | Arctic Radiation - IceBridge Sea and Ice Experiment | |
| ARISTOTELES | Applications and Research Involving Space Technologies Observing The Earths' field from Low Earth orbiting Satellite | |
| ARMSAT | Atmospheric Radiation Measurement Satellite | |
| ARN | Amazon Resource Name | |
| ARSET | Applied Remote Sensing Training | |
| ARVI | Atmospherically Resistant Vegetation Index | |
| AS | Access Subgroup (Part of CEOS-WGISS) | |
| ASAR | Advanced Synthetic Aperture Radar | |
| ASAS | Advanced Solid-State Array Spectrometer | |
| ASC | Agence Spatiale Canadienne | |
| ASCA | Advanced Satellite for Cosmology and Astrophysics | |
| ASCAT | Advanced Scatterometer | |
| ASCENDS | Active Sensing of CO2 Emissions over Nights, Days and Seasons | |
| ASCIE | American Standard Code for Information Exchange | |
| ASCII | American Standard Code for Information Interchange | |
| ASDC | Atmospheric Science Data Center | |
| ASF | Alaska Satellite Facility | |
| ASF DAAC | Alaska Satellite Facility Distributed Active Archive Center | |
| ASFUWG | ASF User Working Group | |
| ASI | Agenzia Spaziale Italiana (Italian Space Agency) | |
| ASIM | Atmosphere-Space Interactions Monitor | |
| ASIRAS | Airborne synthetic aperture radar (SAR)/Interferometric Radar Altimeter System | |
| ASIS | Aggregation of Services for Ice Sheets | |
| ASL | Albuquerque Seismological Laboratory | |
| ASM | Acquisition Strategy Meeting | |
| ASO | Airborne Snow Observatory | |
| ASP | Alaska SAR Processor | |
| ASTER | Advanced Spaceborne Thermal Emission and Reflection Radiometer | |
| ASTGTM | ASTER Global DEM | |
| ATBD | Algorithm Theoretical Basis Document | |
| ATDRSS | Advanced Tracking and Data Relay Satellite System | |
| ATES | Alcatel Espace Systems | |
| ATLAS | Advanced Thermal and Land Applications Sensor | |
| ATLID | Atmospheric LIDAR | |
| ATM | Asynchronous Transfer Mode | |
| ATMOS | Atmospheric Observations Satellite (Trace Molecules Observed by Spectroscopy) | |
| ATMS | Advanced Technology Microwave Sounder | |
| ATom | Atmospheric Tomography mission | |
| ATOST | Atlantic - THORpex Observing System Test | |
| ATR1 | Automatic Target Recognition Module (Leica) | |
| ATS | Advanced Technology Satellite | |
| ATSR | Along Track Scanning Radiometer (ESA ERS) | |
| ATTREX | Airborne Tropical TRopopause EXperiment | |
| AUSLAS | Graz Laser Station (Austria) | |
| AUSLIG | Australian Surveying and Land Information Group | |
| AVAPS | Advanced Vertical Atmospheric Profiling System | |
| AVHRR | Advanced Very High-Resolution Radiometer | |
| AVHRR GAC | AVHRR Global Coverage Area | |
| AVHRR LAC | AVHRR Local Area Coverage | |
| AVIRIS | Airborne Visible and Infrared Imaging Spectrometer | |
| AVIRIS-CL | AVIRIS Classic | |
| AVIRIS-NG | AVIRIS-Next Generation | |
| AVIS | Airborne Vegetation Index Sensor | |
| AVNIR | Advanced Visible and Near-Infrared Radiometer | |
| AVOCET | Atmospheric Vertical Observations of CO2 in the Earth's Troposphere | |
| AWARE |
A tool for monitoring and forecasting Available Water Resource in mountain environment
|
|
| AWG | Analysis Working Group (ILRS) | |
| AWiFS | Advanced Wide Field Sensor | |
| AWOTS | Automated Wallops Orbital Tracking Station | |
| AXCTD | Airborne eXpendable Conductivity Temperature Depth | |
| B | Back to top | |
| BARD | Bay Area Regional Deformation (USA) | |
| bbFTS | BaBar File Transfer Protocol | |
| BDRF | Bidirectional Reflectance Distribution Function | |
| BE-C | Beacon Explorer C | |
| BEDI | Big Earth Data Initiative | |
| BFL | Bundesamt fur Landestopographie (Switzerland) | |
| BGP | Boundary Gateway Protocol | |
| BIGS | Brazilian Institute of Geography and Statistics | |
| BIH | Bureau International de l’Heure | |
| BIPM | Bureau International des Poids et Mesures | |
| BKG | Bundesamt für Kartographie und Geodäsie (Germany) | |
| BNSC | British National Space Centre (UK) | |
| BOREAS | Boreal Ecosystem-Atmosphere Study | |
| BRDF | Bi-directional Reflectance Distribution Function | |
| BSDSS | Border Spatial Decision Support System | |
| BUFR | Binary Universal Form for the Representation of meteorological data | |
| BWC | Bandwidth Compression | |
| BWE | Bandwidth Expansion | |
| C | Back to top | |
| C-MARE | Central Mediterranean Aerosol and Radiation Experiment | |
| C-SPAD | Compensated Single Photoelectron Avalanche Detector | |
| C-STAR | Conically Scanning Two-Look Airborne Radiometer | |
| C5/6 | Collection 5/6 MODIS data | |
| CaaS | Cloud as a Service | |
| CADU | Channel Access Data Units | |
| CAFS | CCD Actinic Flux Spectroradiometers | |
| CAL WG | Calibration Working Group | |
| CAL/VAL | Calibration/Validation | |
| Cal/Val | Calibration/Validatation | |
| CALIOP | Cloud-Aerosol LIDAR and with Orthogonal Polarization | |
| CALIPSO | Cloud-Aerosol LIDAR and Infrared Pathfinder Satellite Observation | |
| CalREN | California Research and Education Network | |
| CALS | Cloud and Aerosol LIDAR System | |
| CAMBOT | Continuous Airborne Mapping By Optical Translator | |
| CAMEL | Combined ASTER and MODIS Emissivity database over Land | |
| CAMEX | Convection and Moisture Experiment | |
| CAMP2EX | Cloud, Aerosol and Monsoon Processes Philippines Experiment | |
| CanSISE | Canadian Sea Ice and Snow Evolution | |
| CAP | Combined Active Passive | |
| CARVE | Carbon in Arctic Reservoirs Vulnerability Experiment | |
| CASEI | Catalog of Archived Suborbital Earth science Investigations | |
| CATS | Cloud-Aerosol Transport System | |
| CB | Central Bureau | |
| CBA | Consolidated Billing Account | |
| CBC | Cypher Block Chaining | |
| CBERS | China-Brazil Earth Resources Satellite Program | |
| CBIS | Central Bureau Information System | |
| CCAN | Coupled Carbon and Nitrogen | |
| CCB | Configuration Control Board | |
| CCD | Charged-Coupled Device | |
| CCMODS | Collaborative Climate Model and Observational Data Services | |
| CCRS | Canada Centre for Remote Sensing | |
| CCSDS | Consultative Committee for Space Data Systems | |
| CD/CI | Continuous Development/Continuous Integration | |
| CDAS | Command and Data Acquisition Station | |
| CDB | Command Data Block | |
| CDDIS | Crustal Dynamics Data Information System | |
| CDF | Common Data Format | |
| CDI | Climate Data Initiative | |
| CDIAC | Carbon Dioxide Information and Analysis Center (DOE/ORNL) | |
| CDK | Cloud Development Kit | |
| CDKTF | Terraform Cloud Development Kit | |
| CDM | Continuous Diganosis and Mitigation | |
| CDMS | Cryospheric Data Management System (NSIDC) | |
| CDN |
Content Delivery Network |
|
| CDOM |
Colored Dissolved Organic Matter |
|
| CDR | Critical Design Reviews | |
| CDRC | CIESIN Data and Research Center | |
| CEE | Centro de Estudios Espaciales (Chile) | |
| CEES | Committee on Environment and Natural Resources Research | |
| CEMSCS | Central Environmental Monitoring Satellite Computer System (NOAA) | |
| CEMSDS | Central Environmental Satellite Data System | |
| CEO | European Centre for Earth Observation | |
| CEOS | Committee on Earth Observation Satellites | |
| CEOSWGD/CS | CEOS Working Group on Data, Catalog Subgroup | |
| CERES | Clouds and the Earth's Radiant Energy System | |
| CERGA | Centre d'Etudes et de Recherches Geodynamiques et Astronomiques (France) | |
| CERN | Center for European Laboratory for Particle Physics (Switzerland) | |
| CERR | Critical Events Readiness Review | |
| CESA | Conical Earth Sensor Assembly | |
| CESBIO | Centre d’ Études Spatiales de la Biosphère (France) | |
| CESDIS | Center for Excellence in Space Data and Information Sciences | |
| CESM1-LE |
Community Earth System Model 1 - Large Ensemble |
|
| CESM2 | Community Earth System Model 2 | |
| CfA | Center for Astrophysics (USA) | |
| CFC | Chlorofluorocarbon | |
| CFI | Claes Fornell International | |
| CGF | Cloud-Gap Filled | |
| CGS | Centro di Geodesia Spaziale (Italy) | |
| CHAMP | Challenging Mini-Satellite Payload | |
| CICD | Continuous Integration and Continuous Development | |
| CICESE | Centro de Investigacion Cientifica y de Education Superior de Ensenada | |
| CIDR | Classless Inter-Domain Routing | |
| CIESIN | Consortium for International Earth Science Information Network | |
| CIGNET | Cooperative International GPS Network | |
| CIMS | Cleaning Industry Management Standard | |
| CIMSS | Cooperative Institute for Meteorological Satellite Studies (Mexico) | |
| CINTEX | CEOS Catalogue Interoperability Experiment | |
| CIO | Conventional International Origin | |
| CIPE | Central Institute for Physics of the Earth (Germany) | |
| CIR | Color Infrared | |
| CIRPAS | Center for Interdisciplinary Remotely Piloted Aircraft Studies | |
| CIRS | Composition Infrared Spectrometer | |
| CIS | Cryogenic Interferometer Spectrometer Commonwealth of Independent States | |
| CIT-CIMS | Caltech Chemical Ionization Mass Spectrometer | |
| CIWG | Catalog Interoperability Working Group | |
| CL | Command Language | |
| CLAES | Cryogenic Limb Array Etalon Spectrometer | |
| CLAMS | Cheasapeake Lighthouse and Aircraft Measurements for Satellites | |
| CLASIC | Cloud and Land Surface Interaction Campaign | |
| CLC | CORINE Land Cover | |
| CLCW | Command Link Control Word | |
| CLG | Central Laboratory for Geodesy (Bulgaria) | |
| CLIMCAPS | Community Long-term Infrared Microwave Coupled Product System | |
| CLS | Collecte, Localisation, Satellites (France) | |
| CLSM | Catchment Land Surface Model | |
| CM | Configuration Management | |
| CMAQ | Community Multi-scale Air Quality | |
| CMG | Climate modeling grid | |
| CMIS | Conical Scanning Microwave Imager/Sounder | |
| CMO | Configuration Management Office | |
| CMP | Cloud Management Platform Common Midpoint | |
| CMR | Common Metadata Repository | |
| CMS | Carbon Monitoring System | |
| CNES | Centre National d’Études Spatiales (France) | |
| CNR | Consiglio Nazionale delle Ricerche (Italy) | |
| CNRS | Centre National de la Recherche Scientifique (France) | |
| CO | Contracting Officer | |
| COARE | Continental Ocean-Atmosphere Regional Experiment | |
| CODE | Center for Orbit Determination in Europe | |
| CODMAC | Committee on Data Management, Archiving, and Computing | |
| COG | Cloud Optomized GeoTIFF | |
| COMMGR | Communications Manager | |
| CONAE | Comision National de Actividades Espaciales | |
| CONUS | Conterminous United States | *commonly referred to as CONUS |
| CORAL | Coral Reef Airborne Laboratory | |
| CORE | Continuous Observation of the Rotation of the Earth | |
| CORINE | Coordination of Information on Environment | |
| CORS | Continuously Operating Reference Station | |
| COS | Constellation Operations System | |
| COSMIC | Constellation Observing System for Meteorology, Ionosphere, and Climate | |
| CoSMIR | Conical Scanning Millimeter-wave Imaging Radiometer | |
| COSMO/SkyMed | Constellation of Small satellites for the Mediterranean basin Observation | |
| COSPAR | Committee on Space Research Congress for Space Research | |
| COTR | Contracting Officer’s Technical Representative | |
| COTS | Commercial Off-The Shelf | |
| CPEX | Convective Processes Experiment | |
| CPEX-AW | Convective Processes Experiment - Aerosols and Winds | |
| CPF | Consolidated Prediction Format | |
| CPI | Cloud Particle Imager | |
| CPL | Cloud Physics lidar | |
| CPP | Cloud Photopolarimeter Combination Pilot Project | |
| CPR | Cloud Profiling Radar | |
| CR | Correlation Radiometer | |
| CReSIS | Center for Remote Sensing of Ice Sheets | |
| CRI | Coastal Resolution Improvement | |
| CrIMSS | Cross-track Infrared and Advanced Technology Microwave Sounders | |
| CrIS | Cross-track Infrared Sounder | |
| CRISTA/SPAS | Cryogenic Infrared Spectrometers and Telescopes for the Atmosphere/ Shuttle Pallet Satellite | |
| CRL | Communications Research Laboratory (Japan) Compact Raman Lidar | |
| CRLHI | CRL, Hiraiso Solar Terrestrial Research Center (Ibaraki, Japan) | |
| CRP | Command Relay Processor | |
| CRREL | Cold Regions Research and Engineering Laboratory | |
| CRSS | Canadian Remote Sensing Society | |
| CRYSYS | Cryospheric System | |
| CSA | Canadian Space Agency | |
| CSDGM | Content Standard for Digital Geospatial Metadata | |
| CSESP | Citizen Science for Earth Systems Program | |
| CSIR | Council for Scientific and Industrial Research (South Africa) | |
| CSIRO | Commonwealth Scientific and Industrial Research Organization (Australia) | |
| CSLC | California Space Launch Complex | |
| CSMA/CD | Carrier-Sense Multiple-Access With Collision Detection | |
| CSP | Cloud Service Provider | |
| CSPO | Compute Service Program Office | |
| CSR | Center for Space Research (University of Texas, Austin, TX) | |
| CSRIFS | Combined Square Root Information Filter and Smoother | |
| CSS | Cascading Style Sheet | |
| CSTG | International Coordination of Space Techniques for Geodesy and Geodynamics | |
| CSWR | Center for Severe Weather Research | |
| CTD | Conductivity, Temperature, and Depth | |
| CTGNSS | Cyclone Global Navigation Satellite System | |
| CTIOV1 | Cerro Tololo Inter-American Observatory (La Serena, Chile) | |
| CV | Cube Visualization | |
| CVA | Change Vector Analysis | |
| CVO | Climate Virtual Observatory | |
| CWIC | CEOS WGISS Integrated Catalog | |
| CYGNSS | Cyclone Global Navigation Satellite System | |
| CZCS | Coastal Zone Color Scanner (Nimbus-7) | |
| D | Back to top | |
| D-PAF | Germany Processing and Analysis Facility | |
| D3R | Dual-frequency Dual-polarized Doppler Radar | |
| DAAC | Distributed Active Archive Center | |
| DaaS | Desktop as a Service | |
| DADS | Data Archive and Distribution System | |
| DAF | Data Archive Facility | |
| DAIS-1 | Digital Airborne Imagery System | |
| DAN | Canadian Network | |
| DAO | Dominion Astrophysical Observatory (Victoria, Canada) | |
| DAR | Data Acquisition Request | |
| DAS | Data Analysis Subsystem | |
| DASF | Directional Area Scattering Function | |
| DAWN | Doppler Aerosol WiNd | |
| DBaaS | Database as a Service | |
| DC | IGS Data Center | |
| DCaaS | Datacenter as a Service | |
| DCN | Document Change Notice | |
| DCOTTS | Dynamics and Chemistry of the Summer Stratosphere | |
| DCS | Data Collection System | |
| DDL | Direct Downlink | |
| DDM | Digital Displacement Model | |
| DDMI | Delay-Doppler Mapping Instrument | |
| DDN | Defense Data Network | |
| DDNA | Divided Difference Noise Analysis | |
| DEDS | DAAC to EDOS Data Set | |
| DEL | Data Evaluation Laboratory | |
| Delta-X |
Delta Exchange |
|
| DEM | Digital Elevation Model | |
| DEM-G | Digital Elevation Model - Graphic (coordinates) | |
| DEM-P | Digital Elevation Model - Planar (coordinates) | |
| DEMEX | Alternate name for the ASTER GDEM Explorer | |
| DEOS | Delft Institute for Earth-Oriented Space Research (Netherlands) | |
| DESIS | DLR Earth Sensing Imaging Spectrometer | |
| DFCD | Data Format Control Document | |
| DFN | Deutsches Forschungnetz (Germany) | |
| DFRD | Data Format Requirements Document | |
| DFTNIC | Data Flow Technology Network Information Center (NASA Goddard) | |
| DGDF | Digital Geospatial Data Files | |
| DGFI | Deutsches Geodaetisches ForschungsInstitut (Germany) | |
| DGPS | Differential Global Positioning System | |
| DHCP | Dynamic Host Configuration Protocol | |
| DHF | Data Handling Facility | |
| DIAL | Differential Absorption Lidar | |
| DIF | Directory Interchange Format | |
| difSAR | Differential SAR | |
| DIGCAT | Digital Catalogue | |
| DIGEST | Digital Geographic Information Exchange Standard | |
| dis-ALEXI | ALEXI disaggregate algorithm | |
| DISC | Data and Information Services Center | |
| DISCOVER-AQ | Deriving Information on Surface conditions from Column and VERtically Resolved Observations Relevant to Air Quality | |
| DIT | Development Integration and Testing | |
| DLG | Digital Line Graph | |
| DLR | Deutsches Zentrum für Luft- und Raumfahrt (German Aerospace Agency) | |
| DLS | Dynamic Limb Sounder | |
| DMO | DEM and Orthorectified | |
| DMR | Detailed Mission Requirements | |
| DMSP | Defense Meteorological Satellite Program | |
| DMZ | Demilitarized Zone | |
| DNB | Day/Night Band | |
| DNS | Domain Name Service | |
| DOI | Digital Object Identifier | *used as both DOI and doi |
| DOLP | Degree Of Linear Polarization | |
| DOMES | Directory of MERIT Sites | |
| DOPLID | Doppler LIDAR | |
| DOQ | Digital Orthophoto Quadrangle | |
| DORIS | Doppler Orbitography and Radiopositioning Integrated By Satellite | |
| DOSE | Dynamics of the Solid Earth | |
| DOSLI | Department of Survey and Land Information (Wellington, New Zealand) | |
| DOW | Doppler on Wheels | |
| DOY | Day of year | |
| DPR | Dual Precipitation Radar | |
| DPSSL | Diode Pumped Solid State laser | |
| DR | Decommissioning Review | |
| DRAO | Dominion Radio Astrophysical Observatory | |
| DREN | Defense Research and Engineering Network | |
| DRG | Digital Raster Graphic | |
| DRR | Disposal Readiness Review | |
| DRSS | Data Relay Satellite System | |
| DSCOVR | Deep Change Observation Mission | |
| DSIR/PEL | Dept. of Scientific & Indus. Res./Physics & Engineering Lab (Lauder, New Zealand) | |
| DSN | Deep Space Network | |
| DSR | Downward Shortwave Radiation | |
| DSS | Deep Space Station | |
| DTED | Digital Terrain Elevation Data | |
| DTM | Digital Terrain Model | |
| DUE | DAAC Unique Extension | |
| DUT | Delft University of Technology (The Netherlands) | |
| DUT/OSG | Delft University of Technology/Observatory for Space Geodesy (The Netherlands) | |
| DWL | Doppler Wind LIDAR | |
| DWS | Doppler Wind Sensor | |
| E | Back to top | |
| E-ISAT | EOSDIS Internet Security Assessment Team | |
| E-LIDAR | Experimental LIDAR | |
| EARLSeL | European Association of Remote Sensing Laboratories | |
| EARN | European Academic Research Network | |
| EarthCARE | Earth Clouds Aerosols and Radiation Explorer | |
| EAS | Electrical Accommodation Subsystem (Terra AM-1) | |
| EASE-Grid | Equal-Area Scalable Earth Grid | |
| EBAF | Energy Balanced and Filled | |
| EBnet | EOSDIS Backbone network | |
| EBS | EOS Broadcast Stations | |
| EC | European Community | |
| EC2 | Amazon Elastic Compute Cloud | |
| ECA | Earth Central Angle | |
| ECC | Earthdata Code Collaborative | |
| ECCO | Estimating the Circulation and Climate of the Ocean | |
| ECE | Earthdata Collaboration Environment | |
| ECHO | EOS Clearing House | |
| ECMP | ECS Configuration Management Plan | |
| ECMWF | European Center for Medium-range Weather Forecasting | |
| ECOM | EOSDIS Communications System | |
| ECOSTRESS | ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station | *capitalize first three letters of ecosystem |
| ECRB | EOS Configuration Review Board | |
| ECRS | ESDIS Consolidated Requirements System | |
| ECS | EOSDIS Core System | |
| ECSS | EOS Common Spacecraft Specification | |
| ECSTVP | ECS Test and Verification Procedures | |
| ECSVDB | ECS Verification Database | |
| ECT | EOS Compatibility Test | |
| ED | European Datum | |
| ED50 | European Datum 1950 | |
| EDC | Earth Resources Observation and Science (EROS) Data Center (USGS) EuroLAS Data Center (Munich, Germany) | |
| EDF | ECS Development Facility | |
| EDG | EOS Data Gateway (V0 Client – Replacement of B0SOT) | |
| EDGRS | Earth Data Gathering and Reporting System | |
| EDHS | ECS Data Handling System | |
| EDM | Electronic Distance Measuring | |
| EDMA | ESDIS Data Model Analysis | |
| EDOCS | EOS Data Operations and Communications System | |
| EDOS | EOS Data and Operations System | |
| EDP | Enterprise Data Platform | |
| EDS | Expedited Data Sets | |
| EDSC | Earthdata Search Client | |
| EDU | EDOS Data Unit | |
| EE | Earth Explorer | |
| EECF | Earthnet ERS-1 Central Facility | |
| EED | EOSDIS Evolution and Development | |
| EEID | EOSDIS External Interface Document | |
| EER | External Engineering Review | |
| EETS | EOS Electronic Transfer System | |
| EFS | Elastic File System | |
| EGI | ESI Gateway Interface | |
| EGIG | Expéditions Glaciologiques Internationales au Groenland | |
| EGIST | ESDS GIS Team | |
| EGNOS | European Geostationary Navigation Overlay System | |
| EGS | EOS Ground Station European Geophysical Society | |
| EGT | EOSDIS Ground Terminal | |
| EGTS | EOS Ground Test System | |
| EGU | European Geophysical Union | |
| EIN | ECS Identification Number | |
| EIONET | European Environment Information and Observation Network | |
| EIS | Earth Information System | |
| EIT | EOSDIS Integration Team | |
| EITSO | ESDIS Information Technology Security Official | |
| ELANOR | Earth Limb And Nadir Operational Retrieval | |
| ELOKA | Exchange for Local Observations and Knowledge of the Arctic | |
| ELV | Expendable Launch Vehicle | |
| EMACC | EOS Multiple Applications Control Center | |
| EMD | EOSDIS Core System Maintenance and Development | |
| EME | ECS Maintenance Environment | |
| EMIS | EDOS Management Information System | |
| EMIT | Earth Surface Mineral Dust Source Investigation | |
| EMLS | EOS Microwave Limb Sounder | |
| EMOC | EOSDIS Mission Operations Center | |
| EMOS | EOS Mission Operations System | |
| EMOWG | EOS Mission Operations Working Group | |
| EMR | Energy, Mines, and Resources (Canada) | |
| EMS | ESDIS Metrics System | |
| EMSn | EOS Mission Support network | |
| ENI | Elastic Network Interface | |
| ENMC | Enterprise Network Management Center | |
| ENSO | El Nino Southern Oscillation | |
| ENVISAT | Environmental Satellite | |
| EO | Earth Observation | |
| EO-1 | Earth Orbiter-1 | |
| EO-ICWG | Earth Observations International Coordination Working Group | |
| EOC | EOS Operations Center | |
| EOCC | EOS Operations and Control Center | |
| EOIS | Earth Observation Information System | |
| EOP | Earth Orientation Parameter EDOS Operation Protocol | |
| EOPS | ERBE Operational Processing System | |
| EORC | Earth Observation Research Center | |
| EOS | Earth Observing System Electro Optical Systems (Australia) | |
| EOS AERO | EOS Aerosol Mission | |
| EOS ALT | EOS Altimetry Mission | |
| EOS AM | Earth Observing System AM or morning crossing (Terra satellite) | |
| EOS CHEM | EOS Chemistry Mission | |
| EOS COLOR | EOS Color Mission | |
| EOS PM | Earth Observing System PM or afternoon crossing (Aqua satellite) | |
| EOS-G | Earth Observing System - Goddard | |
| EOSAT | Earth Observing Satellite Company | |
| EOSC | EOS Operations Support Capability | |
| EOSDIS | Earth Observation System Data and Information System | |
| EOSFDS | EOS Flight Data System | |
| EOSIWG | EOS Investigator Working Group | |
| EOSP | Earth Observing Scanning Polarimeter | |
| EOSPSO | EOS Project Science Office | |
| EOSSALT | Earth Observing Solid-State Radar Altimeter | |
| EOSSMS | EOS Space Measurement System | |
| EOSSRP | EOS Scientific Research Program | |
| EOT | EDOS Operational Timeline | |
| EOWG | ESDIS Operations Working Group | |
| EP | Earth Probe | |
| EPDS | EMOS Production Data Set | |
| EPG | ECS Process Improvement Group | |
| EPGN | EOS Polar Ground Network | |
| EPGS | EOS Polar Ground Station | |
| EPGSS | Earth Observing Polar Ground Station Services | |
| EPIC | Earth Polychromatic Imaging Camera | |
| EPOP | European Polar-Orbiting Platform | |
| EPR | EED2 Program Roadmap | |
| EPS | EUMETSAT Polar System | |
| EPTOMS | Earth Probe Total Ozone Mapping Spectrometer | |
| EPUSP-PTR | Escola Politecnica da USP-PTR | |
| ER-2 | Earth Resources NASA research aircraft | |
| ERAST | Experimental Research Aircraft Sensor Technology Program | |
| ERBE | Earth Radiation Budget Experiment | |
| ERBS | Earth Radiation Budget Satellite | |
| ERDAS | Earth Resources Data Analysis System | |
| ERDET | ESDIS Requirements Database Engineering Team | |
| ERG | EOSDIS Review Group | |
| ERI | Earthquake Research Institute, University of Tokyo (Japan) | |
| EROS | Earth Resources Observation System | |
| ERP | Earth rotation parameter | |
| ERPS | EOS Real-Time Processing System | |
| ERS | Earth Resources Satellite | |
| ERS-1 | Earth Remote-sensing Satellite-1 | |
| ERSAR | Earth Resources Synthetic Aperture Radar | |
| ERSDAC | Earth Remote Sensing Data Analysis Center | |
| ERTS-1 | Earth Resources Technology Satellite –1 | |
| ESA | European Space Agency | |
| ESAC | Earth Science Advisory Committee | |
| ESAD | Earth Science and Applications Data System | |
| ESCO | ESDIS Standards Coordination Office | |
| ESD |
Earth Science Directorate |
|
| ESDC | ESAC Science Data Center | |
| ESDD | Earth Science Data Directory | |
| ESDIS | Earth Science Data and Information System | |
| ESDR | Earth Science Data Record | |
| ESDS | Earth Science Data System | |
| ESDSWG | Earth Science Data System Working Group | |
| ESDT | Earth Science Data Type | |
| ESE | Earth Sciences Enterprise | |
| ESESES | Enhanced Solid Earth Science ESDR System | |
| ESH | EDOS Service Header | |
| ESI | EOSDIS Service Interface | |
| ESIC | Earth Science Information Center | |
| ESID | EOSDIS Systems Interface Document | |
| ESIP | Earth Science Information Partners | |
| ESMES | EOS System Management and Engineering Site | |
| ESMO | Earth Science Mission Operations | |
| ESMP | ECS Schedule Management Plan | |
| ESMR | Electronically Scanning Microwave Radiometer | |
| ESN | EOSDIS Science Network (ECS) (Replaced By Ebnet) | |
| ESOC | EOSDIS System and Operations Concept (Document) European Space Operations Center | |
| ESOD | Earth Science On-Line Directory | |
| ESOO | ESDIS Science Operations Office | |
| ESPD | Earth Science Projects Division | |
| ESQL | Earth Science Query Language | |
| ESRIN | European Space Research Institute (ESA) | |
| ESSAAC | Earth System Science and Applications Advisory Committee | |
| ESSC | Earth System Sciences Committee | |
| ESSE | EDOS System Support Environment | |
| ESSI | Earth and Space Science Informatics | |
| ESSn | EOS Science Support network | |
| ESSO | Earth Science Support Office | |
| ESSP | Earth Science Systems Program | |
| ESST | Earth Science Search Tool | |
| ESTB | EGNOS System Test Bed | |
| ESTEC | European Space Research and Space Technology Centre (ESA) | |
| ESTOL | EOS Standard Text and Operation Language | |
| ET | Event Timer | |
| ETM+ | Enhanced Thematic Mapper Plus (Landsat 7) | |
| ETRS89 | European Terrestrial Reference System 1989 | |
| ETS | Engineering Test Satellite EOS Test System | |
| ETSF | EOSDIS Test System Facility | |
| ETTS | ECS Trouble Ticketing System | |
| EUI | Earthdata User Interface | |
| EULA | End User License Agreement | |
| EUMETSAT | European Organization for the Exploitation of Meteorological Satellites | |
| EUMS | ESDIS User Model Scenario | |
| EUREF | European Reference Frame | |
| Euro-SPAN | European Space Physics Analysis Network | |
| EUROLAS | European Laser Consortium | |
| EVI | Enhanced Vegetation Index | |
| EVR | ECS Verification Report | |
| EWS | Early Warning System | |
| ExCEL | EOSDIS Cloud Evolution | |
| F | Back to top | |
| FA | Formulation Agreement | |
| FaaS | Function as a Service | |
| FAD | Formulation Authorization Document | |
| FAQ | Frequently Asked Questions | |
| FastCDP | Fast Cloud Droplet Probe | |
| FCCSET | Federal Coordinating Council for Science, Engineering and Technology | |
| FCDAS | Fairbanks Command and Data Acquisition Station | |
| FDF | Flight Dynamics Facility | |
| FDS | Flight Dynamics System | |
| FE | Fast Ethernet | |
| FEGS | Fly's Eye GLM Simulator | |
| FEMA | Federal Emergency Management Agency | |
| FESG | Forschungseinrichting Satellitengeodäsie (Research Facility for Space Geodesy, Germany) | |
| FEWS | Famine Early Warning System | |
| FFI | Forsvarets ForskningsInstitutt (Norwegian Defense Research Establishment) | |
| FGCC | Federal Geodetic Control Committee | |
| FGDC | Federal Geographic Data Committee | |
| FGI | Finnish Geodetic Institute | |
| FGNP | Field Generated Normal Points | |
| FIFE | First ISLSCP Field Experiment | |
| FINLAS | Metsahovi, Finland Laser Station | |
| FIRE | First ISCCP (International Satellite Cloud Climatology Project) Regional Experiment | |
| FIREX-AQ | Fire Influence on Regional to Global Environments Experiment - Air Quality | |
| FIRMS | Fire Information for Resource Management System | |
| FLASHFlux | Fast Longwave And SHortwave Radiative Fluxes | |
| FLEXPART | FLEXible PARTicle dispersion model | |
| FLINN | Fiducial Laboratories for an International Natural Science Network | |
| FLOR | Forecast-oriented Low Ocean Resolution | |
| FM-1 | Flight Model 1 (NASA EOS MODIS) | |
| FOIA | Freedom Of Information Act | |
| FORTE | Fast On-Orbit Recording of Transient Events | |
| FORTRAN | Formula Translation | |
| FOS | Flight Operations Segment (ECS) | |
| FOT | Flight Operations Team (ECS) | |
| FOV | Field of View | |
| FPAR | Fraction of photosynthetically active radiation | |
| FPD | Flight Projects Directorate | |
| FR | Full-Rate | |
| FRD | Foundation for Research and Development (South Africa) | |
| FRGP | Front Range GigaPOP | |
| FRR | Flight Readiness Review | |
| FSA | Federal Space Agency (Russia) | |
| FST | Field Support Terminal | |
| FTLRS | French Transportable Laser Ranging System | |
| FTP | File Transfer Protocol | |
| FY | Fiscal Year | |
| G | Back to top | |
| G-LiHT | Goddard's Lidar, Hyperspectral and Thermal Imager | |
| G3OS | Global Terrestrial Observing System | |
| GA | Geosciences Australia | |
| GAC | Global Area Coverage (AVHRR) | |
| GALILEO | Informal name of GNSS | |
| GAOUA | Main Astronomical Observatory of the National Academy of Sciences of Ukraine | |
| GAPE | Great Alaska and Pacific VLBI Experiment | |
| GATES | Geostationary Advanced Technology Environmental System | |
| GB | gigabyte (109) Governing Board | |
| GBAD | Ground Based Attitude Determination | |
| gbps | Giga bits per second | |
| GBSS | Geodetic base station software | |
| GCC | Goddard Communications Control | |
| GCDC | Global Change Data Center | |
| GCDIS | Global Change Data and Information System | |
| GCLDC | Global Change Landsat Data Collection | |
| GCMD | Global Change Master Directory | |
| GCOM | Global Change Observation Mission | |
| GCOM-W | Global Change Observation Mission-Water | |
| GCPEx | GPM Cold-season Precipitation Experiment | |
| GCPs | Ground Control Points | |
| GDAL | Geospatial Data Abstraction Library | |
| GDAO | Goddard Data Assimilation Office | |
| GDAS | NCEP 1-Degree Global Data Assimilation Model | |
| GDC | IGS Global Data Center | |
| GDEM | Global Digital Elevation Model | |
| GDEx | Global Data Explorer | |
| GDGPS | Global Differential GPS | |
| GDR | Geophysical Data Record (JPL) | |
| GDS | Ground Data System | |
| GDS IMS | Ground Data System Information Management System | |
| GDSN | Global Digital Seimograph Network | |
| GDT | Global DIgital Topography | |
| GEBA | Global Energy Budget Archive | |
| GED | ASTER Global Emissivity Database | |
| GEDI | Global Ecosystem Dynamics Investigation | |
| GEMI | Global Environment Monitoring MSAVI | |
| GENESIS | Global Environmental and Ecological Simulation of Interactive Systems | |
| GEO | geostationary-Earth orbit - DO NOT USE (per NASA Style Guide) | |
| GeoDAF | Geodetical Data Archive Facility (Italy) | |
| GeodIS | Geodetic Information System (Germany) | |
| GEOS | Geodetic and Earth Orbiting Satellite Goddard Earth Observing System | |
| GEOSAT | Naval Geodetic Satellite | |
| GEOSS | Global Earth Observation System of Systems | |
| GeoTIFF | Geographic Tagged Image File Format | *commonly referred to as GeoTIFF |
| GeoVIS | Geographic Vector Interpretation System (Africover) | |
| GERIS | Geophysical Environmental Research Imaging Spectrometer | |
| GES | Goddard Earth Sciences | |
| GES DISC | Goddard Earth Sciences Data and Information Services Center | |
| GESSEP | Goddard Earth Space Science Education Project | |
| GEWEX | Global Energy and Water cycle Experiment | |
| GFCC | Global Forest Cover Change | |
| GFDL | Geophysical Fluid Dynamics Laboratory | |
| GFED | Global Fire Emissions Database | |
| GFO | Geosat Follow-On | |
| GFO-1 | Geosat Follow-On 1 | |
| GFS | Global Forecast System | |
| GFSAD | Global Food Security-support Analysis Data | |
| GFZ | GeoForschungsZentrum (Potsdam, Germany) | |
| GGAO | Goddard Geophysical and Astronomical Observatory (Greenbelt, MD) | |
| GGI | GPS Geoscience Instrument | |
| GGN | Global GPS Network | |
| GGOS | Global Geodetic Observing System | |
| GGP | Global Geodynamics Project (Gravity) | |
| GHISA | Global Hyperspectral Imaging Spectroscopy of Agricultural-Crops and Vegetation | |
| GHMA | Greek Hellenic Mapping Agency | |
| GHRC DAAC | Global Hydrometeorology Resource Center DAAC | |
| GHRSST | Group for High Resolution Sea Surface Temperature | |
| GI | Geological Institute (Russia) | |
| GIBS | Global Imagery Browse Services | |
| GIG | GPS IERS and Geodynamics Experiment | |
| GIMP | Greenland Ice Mapping Project | |
| Giovanni | Geospatial Interactive Online Visualization and Analysis Infrastructure | |
| GIPSY | GPS-Inferred Positioning System | |
| GIS | Geographical Information System | *commonly used as GIS or gis |
| GISIG | Geographical Information Systems International Group | |
| GISS | Goddard Institute for Space Studies | |
| GITC | GIBS Ingest in the Cloud | |
| GLA | Goddard Laboratory for Atmospheres | |
| GLAS | Geoscience Laser Altimeter System | |
| GLAST | Gamma Ray Large-Area Space Telescope | |
| GLCC | Global Land Cover Characterization | |
| GLCN | Global Land Cover Network | |
| GLCTS | Global Land Cover Test Sites | |
| GLDAS | Global Land Data Assimilation System | |
| GLI | Global Imager (Japan, ADEOS) | |
| GLIDER | Globally Leveraged Intergrated Data Exploration for Research | |
| GLIMS | Global Land Ice Measurements from Space | |
| GLIS | Global Land Information System | |
| GLISTIN | Glacier and Ice Surface Topography Interferometer | |
| GLL | Galileo | |
| GLM | Geostationary Lightning Mapper | |
| GLOBE | Global Change Observing Mission | |
| GLONASS | Global'naya Navigatsionnaya Sputnikovaya Sistema, Global Orbiting Navigation Satellite System (Russia) | |
| GLOSS | Global Observation Surveillance System | |
| GloVIS | Global Visualizer | |
| GLRS | Geodynamics Laser Ranging System | |
| GLRS-A | Geoscience Laser Ranging System Altimeter | |
| GLRS-R | Geoscience Laser Ranging System Ranger | |
| GLS | Global Land Survey | |
| GLTN | Goddard Laser Tracking Network (USA) | |
| GMAO | Global Modeling and Assimilation Office | |
| GMIS | Global Man-made Impervious Surface | |
| GML | Geography Markup Language | |
| GMS | Geostationary Meteorological Satellite | |
| GMSL | Global Mean Sea Level | |
| GMST | Greenwich Mean Sidereal Time | |
| GMT | Greenwich Mean Time | |
| GMU | George Mason University | |
| GN | Ground Network | |
| GN&C | Guidance, Navigation and Control | |
| GN&CS | Guidance, Navigation, and Control Subsystem (Terra AM-1) | |
| GNAAC | IGS Global Network Associate Analysis Center | |
| GNS | GEOnet Names Server | |
| GNSS | Global Navigation Satellite System | |
| GOCE | Gravity Field and Steady-State Ocean Circulation Explorer | |
| GOES | Geostationary Operational Environmental Satellite | |
| GOFC | Global Observations of Forest Cover (IGOS) | |
| GOLD | Global Observation of Land Cover Dynamics | |
| GOME | Global Ozone Monitoring Experiment | |
| GOMI | Global Ozone Monitoring Instrument | |
| GOMOS | Global Ozone Monitoring by Occultation of Stars | |
| GOMR | Global Ozone Monitoring Radiometer | |
| GOMS | Geostationary Operational Meteorological Satellites | |
| GOPM | Goddard Orbital Parameters Message | |
| GORF | Goddard Optical Research Facility (Greenbelt, MD) | |
| GOS | Geomagnetic Observing System | |
| GOZCARDS | Global OZone Chemistry And Related trace gas Data records for the Stratosphere | |
| GP-B | Gravity Probe B | |
| GP-MCE | General Purpose Managed Cloud Environment | |
| GPCP | Global Precipitation Climatology Project | |
| GPD | Goddard Policy Directive (formerly called GMI) | |
| GPG | Goddard Procedures and Guidelines | |
| GPI | Global Precipitation Index | |
| GPM | Global Precipitation Measurement | |
| GPP | Gross Primary Productivity | |
| GPR | Ground Penetrating Radar | |
| GPROF | Goddard PRO Filing algorithm for instantaneous rain retrieval | |
| GPS | Global Positioning System | *commonly used as GPS or gps |
| GPSDIS | Global Positioning System Data Information System (JPL) | |
| GPSDR | Global Positioning System Demonstration Receiver | |
| GPSOS | Global Positioning Sensor Occultation System | |
| GPSR | Global Positioning Satellite Receiver | |
| GPSSS | Global Positioning System Sustaining Support | |
| GPW | Gridded Population of the World | |
| GRACE | Gravity Recovery And Climate Experiment | |
| GRACE-FO | GRACE Follow-On | |
| GRASS | Geographic Resource Analysis Support System | |
| GRC | Glenn Research Center | DO NOT USE (per NASA Style Guide) |
| GRDC | Global Runoff Data Center | |
| GRE | Generic Routing Encapsulation | |
| GREALM | Global Lake/Reservoir Surface Inland Water Height Global Reservoirs and Lakes Monitoring | |
| GRELAS | Dionysos, Greece Laser Station | |
| GrfN | Getting Ready for NISAR | |
| GRGS | Groupe de Recherches de Geodesie Speciale (France) | |
| GridFTP | Grid File Transfer Protocol | |
| GrIMP | Greenland Ice Mapping Project | |
| GRIP | Genesis and Rapid Intensification Processes experiment | |
| GRRATS | Global River Radar Altimeter Time Series | |
| GRS 80 | Geodetic Reference System of 1980 | |
| GRT | Ground Receipt Time | |
| GRUMP | Global Rural-Urban Mapping Project | |
| GS | [EOS] Ground System | |
| GSAC | GPS Seamless Archive Center | |
| GSC | Geological Survey of Canada | |
| GSD | Geological Survey Division, NRCan (Canada) | |
| GSDI | Global Spatial Data Infrastructure | |
| GSDM | Global Spatial Data Model | |
| GSDS | Global Spatial Data System | |
| GSFC | Goddard Space Flight Center | DO NOT USE (per NASA Style Guide) |
| GSI | Geographical Survey Institute (Tsukuba, Japan) | |
| GSIF | Ground Station Interface Facility | |
| GSIP | Ground Station Interface Processor | |
| GSLV | Geosynchronous Satellite Launch Vehicle | |
| GSM | Global System for Mobile Communication | |
| GSMaP | Global Satellite Mapping of Precipitation | |
| GSN | Global Seismographic Network | |
| GSS | Geodetic Survey Squadron | |
| GSTB | Galileo System Test Bed | |
| GTDS | Goddard Trajectory Determination System | |
| GTE | Global Tropospheric Experiment | |
| GTOPO30 | A global digital elevation model (DEM) with a horizontal grid spacing of 30 arc seconds | |
| GTSN | Global Telemetered Seismograph Network | |
| GTWAY | Gateway [for Version 0 interoperability] | |
| GUARDIAN | GNSS-based Upper Atmospheric Real-time Disaster Information and Alert Network | |
| GUI | Graphical User Interface | |
| GUID | Globally Unique Identifier | |
| GURP | Goddard Uncosted Reduction Project | |
| GUTS | Global and High Accuracy Trajectory Determination System | |
| GV | Ground Validation | |
| GW | Gateway | |
| GWELD | Global Web Enabled Landsat Data | |
| GWR | Geographyically Weighted Regression | |
| H | Back to top | |
| H2A/LRE | Laser Ranging Experiment | |
| HADS | Hydrometeorological Automated Data Systems | |
| HALOE | Halogen Occultation Experiment | |
| HANPP | Human Appropriation of Net Primary Productivity | |
| HAQAST | Health and Air Quality Applied Sciences Team | |
| HAQES | Hazardous Air Quality Ensemble System | |
| HARTRAO | Hartebeesthoek Radio Astronomy Observatory (South Africa) | |
| HAVAGO | Horizontal and Vertical Adjustment of Geodetic Observations | |
| HBASE | Global Human Built-up And Settlement Extent | |
| HCR | HDF EOS Configuration Record | |
| HDDS | Hazards Data Distribution System | |
| HDEV | High Definition Earth Viewing | |
| HDF | Hierarchical Data Format | |
| HDF-EOS | Hierarchical Data Format - Earth Observing System | |
| HDJ | Hydrographic Department of Japan | |
| HEG | HDF-EOS to GeoTIFF Conversion Tool | |
| HEO | High Earth Orbit | |
| HEPnet | High Energy Physics Network | |
| HEW | HDF-EOS WEB-based subsetter | |
| HGA | Harmony-GDAL-Adapter | |
| HGML | Hyper Graphics Markup Language (Graphical Alternative to HTML) | |
| HiCARS | High Capability Radar Sounder | |
| HIMSS | High-Resolution Microwave Spectrometer Sounder (Replaced By MIMR) | |
| HIRAD | Hurricane Imaging Radiometer | |
| HIRDLS | High Resolution Dynamics Limb Sounder | |
| HIRIS | High-Resolution Imaging Spectrometer | |
| HIRRLS | High-Resolution Research Limb Sounder | |
| HIRS | High-Resolution Infrared Sounder | |
| HIS | High-Resolution Interferometer Sounder | |
| HiTIDE | High-level Tool for Interactive Data Extraction | |
| HIWRAP | High Altitude Imaging Wind and Rain Airborne Profiler | |
| HMA | High Mountain Asia | |
| HMC | Hydrogen Maser Clock | |
| HNL | High Northern Latitudes | |
| HO | Haystack Observatory (Haystack, MA) | |
| HOLLAS | Haleakala Laser Station (Maui, HI) | |
| HOMAGE | Heat and Ocean Mass from Gravity ESDR | |
| HOPLAS | Mount Hopkins Laser Station (Mt. Hopkins, AZ) | |
| HOSS | Harmony-OPeNDAP-SubSetter | |
| HPGN | High-Precision Geodetic Network | |
| HQ | DO NOT USE (per NASA Style Guide) | |
| HR | Heterotrophic Respiration | |
| HR-AMS | High-Resolution Aerosol Mass Spectrometer | |
| HRAO | Hartebeesthoek Radio Astronomy Observatory | |
| HRAS | Harvard Radio Astronomy Station | |
| HRDFEP | High Rate Demodulator Front End Processor | |
| HRG | High-Resolution Geometry (SPOT) | |
| HRPT | High-Resolution Picture Transmission (AVHRR) | |
| HRV | Haute Résolution dans le Visible (SPOT) | |
| HRVIR | High Resolution Visible Infrared (scanner) | |
| HS3 | Hurricane and Severe Storm Sentinel | |
| HSB | Humidity Sounder - Brazil (Derivative of AMSU-B, Replacing MHS) | |
| HSDS | Object Store-Based Data Service for Earth System Science | |
| HSI | Hue, Saturation, Intensity – Hyperspectral Imaging Instrument | |
| HSRL | High Spectral Resolution Lidar | |
| HTC | Hydrographic and Topographic Center | |
| HTML | Hypertext Markup Language | *commonly used as HTML or html |
| HTTP | Hypertext Transport Protocol | *commonly used as HTTP or http |
| HVM | Hardware Virtual Machine | |
| HYDE | History Database of the Global Environment | |
| HYDICE | Hyperspectral Digital Imagery Collection Experiment | |
| HYMAP | Airborne Hyperspectral Imaging | |
| HYSOG | Hydrologic Soil Group | |
| HyspIRI | Hyperspectral Infrared Imager | |
| HYSPLIT | Hybrid Single-Particle Lagrangian Integrated Trajectory | |
| HyTES | Hyperspectral Thermal Emission Spectrometer | |
| I | Back to top | |
| I&CLC2000 | Image and CORINE Land Cover 2000 | |
| I-SIPS | ICESat Science Investigator-led Processing System | |
| IAA/RAS | Institute of Applied Astronomy of the Russian Academy of Sciences | |
| IaaS |
Infrastructure as a Service |
|
| IAC | Infrastructure as Code | |
| IAG | International Association of Geodesy | |
| IAM | Identity and Access Management | |
| IAPG | Institut für Astronomische und Physikalische Geodäsie (Germany) | |
| IASI | Infrared Atmospheric Sounding Interferometer | |
| IAU | International Astronomical Union | |
| IBGE | Instituto Brasileiro de Geografia de Estatistica (Brazil) | |
| ICARTT | International Consortium for Atmospheric Research on Transport and Transformation | |
| ICC | Instrument Control Center | |
| ICCG | Interagency Coordinating Committee for Geodynamics | |
| ICD | Interface Control Document | |
| ICE POP | International Collaborative Experiment for Pyeongchang Olympic and Paralympics | |
| ICESat | Ice, Cloud and Land Elevation Satellite | |
| ICET | International Center for Earth Tides | |
| ICF | Instrument Control Facility (ECS) | |
| ICG | Inter-Union Commission of Geodynamics | |
| ICMP | Internet Control Message Protocol | |
| ICRF | International Celestial Reference Frame | |
| ICRS | International Celestial Reference System | |
| ICSU | International Council of Scientific Unions | |
| IDA | International Deployment of Accelerometers Network | |
| IDL | Interactive Data Language | |
| IDS | International DORIS Service | |
| IEEE | Institute of Electrical and Electronics Engineers | |
| IELV | Intermediate Expendable Launch Vehicle | |
| IEOS | International Earth Observing System | |
| IERS | International Earth Rotation Service | |
| IESAS | Academia Sinica, Institute of Earth Sciences (Taiwan) | |
| IFAG | Institut für Angewandte Geodaesie (Germany) | |
| IFC | Iowa Flood Center | |
| IFE | Institut für Erdmessung (Germany) | |
| IFloodS | Iowa Flood Studies | |
| IFOV | Instantaneous Field of View | |
| IFREMER | Instiut Francais de Recherche pour l'Exploration de la Mer | |
| IFSARE | Inter-ferometric Synthetic Aperture Radar for Elevation | |
| IGAC | International Global Atmospheric Chemistry Program of the IGBP | |
| IGAP | International Global Aerosol Program | |
| IGARSS | IEEE International Geoscience and Remote Sensing Symposium | |
| IGBP | International Geosphere - Biosphere Programme | |
| IGeS | International Geoid Service | |
| IGEX | International GLONASS Experiment | |
| IGGOS | Integrated Global Geodetic Observing System | |
| IGLOS-PP | International GLONASS Service -- Pilot Project | |
| IGMP | Internet Group Multicast Protocol | |
| IGMP-DIS |
International Geosphere–Biosphere Programme – Data and
Information System
|
|
| IGN | Institut Geographique National (France) International Geodetic Network | |
| IGOS | Integrated Global Observing Strategy | |
| IGP | IGS predicted orbit | |
| IGR | IGS rapid orbit | |
| IGS | ICEsat Ground System International GNSS Service | |
| IGSCB | IGS Central Bureau | |
| IGST | ICESat Ground System Test | |
| IKAR-N | scanning microwave radiometer system | |
| IKAR-P | nadir microwave radiometer | |
| ILAS | Improved Limb Atmospheric Spectrometer | |
| ILRS | International Laser Ranging Service | |
| IMERG | Integrated Multi-satelliE Retrievals for GPM | |
| IMG | Interferometric Monitor for Greenhouse Gases | |
| IMOC | ICESat Mission Operations Center | |
| IMPACT | Interagency Implementation and Advanced Concepts Team | |
| IMPACTS | Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms | |
| IMS | Information Management System | |
| IMVP | Institute of Metrology for Time and Space (Russia) | |
| INASAN | Institute of Astronomy of the Russian Academy of Sciences | |
| INPE | Instituto Nacional de Pesquisas Espaciais (Brasil) | |
| INS | inertial navigation system | |
| InSAR | Interferometric Synthetic Aperture Radar | |
| INSAT | Indian National Satellite | |
| INSPIRE | Infrastructure of Spatial Information in the European Community | |
| INTA | Instituto Nacional de Technica Aeroespacial (Spain) | |
| Intelsat | International Telecommunications Satellite | |
| INTEX-B | Intercontinental Chemical Transport Experiment - Phase B | |
| IOC | ICESat Orbit Control Software | |
| ION | Institute of Navigation (USA) | |
| IONET | Internet Protocol Operational Network | |
| IONEX | Ionosphere map exchange format | |
| IOP | Inherent Optical Property | |
| IOT | Instrument Operations Team | |
| IP | Internet Protocol | |
| IPA | Inter-Project Agreement | |
| IPaaS | Integration Platform as a Service | |
| IPCC | Intergovernmental Panel on Climate Change | |
| IPD | Information Processing Division | |
| IPHEx | Integrated Precipitation and Hydrology Experiment | |
| IPIE | Science Research Institute for Precision Instrument Engineering (Russia) | |
| IPNOC | Internet Protocol Network Operations Center | |
| IPOC | International Partner Operations Center | |
| IPOMS | International Polar Orbiting Meteorological Satellite Committee | |
| IPRG | Institute for Petroleum Research and Geophysics (Israel) | |
| IR | Infrared | |
| IR&D | Independent Research and Development | |
| IR-RAD | Infrared Radiometer | |
| IRAD | Independent Research And Development | |
| IRCD | Interface Requirements Control Document | |
| IRD | Interface Requirements Document | |
| IRFC | IGS Reference Frame Coordinator | |
| IRIS | Indian Research Satellite | |
| IRS | Institut für Erdmessung (Germany) | |
| IRTS | Infrared Temperature Sounder | |
| IRV | Inter-Range Vector | |
| ISAMS | Improved Stratospheric And Mesospheric Sounder | |
| ISAS | Institute of Space and Astronautical Science | |
| ISCCP | International Satellite Cloud Climatology Project | |
| ISDN | Integrated Systems Digital Network | |
| ISERV | ISS SERVIR Environmental Research and Visualization System | |
| ISF | Instrument Support Facility | |
| ISGN | Integrated Space Geodetic Network | |
| ISIPS | ICEsat Science Investigator-Led Processing System | |
| ISIR | Infrared Spectral Imaging Radiometer | |
| ISLSCP | International Satellite Land Surface Climatology Project | |
| ISO | International Organization for Standardization | |
| ISP | Internet Service Provider | |
| ISPRS | International Society for Photogrammetry and Remote Sensing | |
| ISRO | Indian Space Research Organisation | |
| ISS | International Space Station | |
| ISSN | International Standard Serial Number | |
| IST | Instrument Support Terminal | |
| ISTRAC | ISRO Telemetry Tracking and Command Network (India) | |
| ITIR | Intermediate Thermal Infrared Radiometer | |
| ITMaaS | Information Technology Management as a Service | |
| ITRF | International Terrestrial Reference Frame | |
| ITRS | International Terrestrial Reference Service | |
| ITS LIVE | Inter-Mission Time Series of Land Ice Velocity and Elevation | |
| ITSS | Raytheon Information Technology and Scientific Services (USA) | |
| IUGG | International Union of Geodesy and Geophysics | |
| IVS | International VLBI Service for Geodynamics and Astrometry | |
| IVTAN | Institute for High Temperature of the Russian Academy of Sciences | |
| IWG | Investigator Working Group | |
| IWGDD | Interagency Working Group on Digital Data | |
| IWGDMGC | Interagency Working Group on Data Management for Global Change | |
| J | Back to top | |
| JAnet | Joint Academic Network (United Kingdom) | |
| JAROS | Japan Resources Observation System Organization | |
| JAVA | Joint Academic Virtual Application | *commonly used as JAVA or java |
| JAXA | Japan Aerospace Exploration Agency | |
| JCET | Joint Center for Earth Systems Technology (USA) | |
| JEA | Environmental Agency of Japan | |
| JEOC | Japan's Earth Observation Center | |
| JEOS | Japanese Earth Observing System | |
| JERS-1 | Japanese Earth Remote-sensing Satellite-1 | |
| JGM | Joint Gravity Model | |
| JGOFS | Joint Global Ocean Flux Study | |
| JGR | Journal of Geophysical Research | |
| JHD | Japanese Hydrographic Department | |
| JILA | Joint Institute for Laboratory Astrophysics (USA) | |
| JIVE | Joint Institute for VLBI for Europe | |
| JMA | Japan Meteorological Agency | |
| JPL | Jet Propulsion Laboratory | |
| JPLAIRSAR | JPL Airborne Synthetic Aperture Radar | |
| JPOP | Japanese Polar-Orbiting Platform | |
| JPS | Javad Positioning Systems | |
| JPSS | Joint Polar Satellite System | |
| JRC | Joint Research Centre (Italy) | |
| JRC CEO | European Commission Joint Research Centre | |
| JSC | Johnson Space Center | DO NOT USE (per NASA Style Guide) |
| JSON | JavaScript Object Notation | |
| JSP | Joint Seismic Program (USA) | |
| JUnet | Japanese University Network | |
| JWT | JSON Web Token | |
| K | Back to top | |
| K | Kelvin | |
| KACST | King Abdulaziz City for Science and Technology (Riyadh, Saudi Arabia) | |
| KAO | Korean Astronomical Observatory | |
| KARI | Korea Aerospace Research Institute | |
| KaRIn | Ka-band Radar Interferometer | |
| KASPR | Ka-band Scanning Polarimetric Radar | |
| KB | kilobyte | |
| KBR | K-Band Ranging System | |
| KDP | Key Decision Point | |
| kHz | Kilohertz | |
| KML | Keyhole Markup Language | |
| KMS | National Survey and Cadastre (Denmark) | |
| KNMI | Royal Netherlands Meteorological Institute | |
| KOMPSAT | Korea Multipurpose Satellite | |
| KOOLAS | Kootwijk, The Netherlands Laser Station | |
| KPGO | Kokee Park Geophysical Observatory (Kauai, HI) | |
| KSC | Kennedy Space Center | DO NOT USE (per NASA Style Guide) |
| KVM | Kernel-based Virtual Machine | |
| L | Back to top | |
| L+T | Swiss Federal Office of Topography | |
| L0 | Level 0 (zero) | |
| L0R | Level 0 Release | |
| L1 | Level 1 | |
| L1G | Level 1 Geometrically Corrected | |
| L1R | Level 1 Radiometrically Corrected | |
| L2 | Level 2 | |
| L2TP | Layer 2 Tunneling Protocol | |
| L3 | Level 3 | |
| L4 | Level 4 | |
| LAADS DAAC | Level 1 and Atmosphere Archive and Distribution System DAAC | |
| LAAS | Local Area Augmentation System | |
| LAC | Local Area Coverage | |
| LADAR | Laser Detection and Ranging | |
| LAGEOS | Laser Geodynamics Satellite | |
| LAI | Leaf area index | |
| LAMP | Linux, Apache, MySQL, and PHP Low Altitude Mapping Photogrammetry | |
| LAMPS | Laser-scan Automated Map Production System | |
| LAN | Local Area Network | |
| LANCE | Land, Atmosphere Near real-time Capability for Earth Observations (EO) | |
| Landsat | Land Remote-Sensing Satellite | |
| LANL | Los Alamos National Lab | |
| LaRC | Langley Research Center | DO NOT USE (per NASA Style Guide) |
| LaRCNET | Langley Research Center Network | |
| LARSE | Laboratory for Applications of Remote Sensing in Ecology | |
| LASE | LIDAR Atmospheric Sensing Experiment | |
| LASER | Light Amplification by Stimulated Emission of Radiation | *commonly referred to as laser |
| LASSO | Laser Synchronization from Stationary Orbit | |
| LaTIS | Langley Research Center's TRMM Information System | |
| LBA | Large-Scale Biosphere-Atmosphere Experiment in Amazonia | |
| LBS | Location-Based Services | |
| LCCS | Land Cover Classification System | |
| LCLUC | Land Cover and Land Use Change | |
| LCPEx | Light Precipitation Evaluation Experiment | |
| LDAP | Lightweight Data (or Directory) Access Protocol | |
| LDC | IGS Local Data Center | |
| LDEO | Lamont-Doherty Earth Observatory | |
| LDHF | Landsat-7 Data Handling Facility | |
| LDOPE | Land Data Operational Product Evaluation | |
| LDOS | Landsat Data and Operations System | |
| LECZ | Low Elevation Coastal Zone | |
| LEO | low-Earth orbit - DO NOT USE (per NASA Style Guide) | |
| LERC | Lewis Research Center (Cleveland, OH) | |
| LERTS | Laboratoire d'Etudes et de Recherches en Teledetedion Spatiale | |
| LGDO | Lamont-Doherty Geological Observatory (Palisades, NY) | |
| LGS | LDEO Gravimeter Suite | |
| LHASA | Landslide Hazard Assessment | |
| lidar | Light Detection And Ranging | |
| LIDQA | Landsat Image Data Quality and Analysis | |
| LIGHTSAR | Lightweight Synthetic Aperture Radar | |
| LIMS | Limb Infrared Monitor of the Stratosphere | |
| LIP | Lightning Instrument Package | |
| LIS | Lightning Imaging Sensor | |
| LITE | LIDAR-in-space Technology Experiment | |
| LLC | Logical Link Control | |
| LLR | Lunar Laser Ranging | |
| LMA | Lightning Mapping Array | |
| LMD | Laboratoire de Meteorologie Dynamique | |
| LOD | Length of day | |
| LOGSWG | Landsat Operations Ground Segment Working Group | |
| LOS | Loss Of Signal | |
| LP DAAC | Land Processes DAAC | |
| LR | Laser Retroreflector | |
| LRA | Laser Retroreflector Array | |
| LRE | Laser Retroreflector Experiment | |
| LRPT | Low-Resolution Picture Transmission | |
| LRR | Launch Readiness Review | |
| LRRL | Low Rate Return Link | |
| LRS | Landsat Recorder System | |
| LSPIM | Land-Surface Processes and Interactions Mission | |
| LSR | Land Surface Reflectance | |
| LSTE | Land Surface Temperature and Emissivity | |
| LTA | Long Term Archive | |
| LURE | LUnar Ranging Experiment | |
| LUT | Look Up Table | |
| LV | Launch Vehicle | |
| LVIS | Land, Vegetation, and Ice Sensor | |
| LW | Longwave radiation | |
| LWIR | Long-Wave Infrared (spectral region) | |
| LXC | Linux Containers | |
| LZP | Level Zero Processing | |
| LZPF | Level Zero Processing Facility | |
| LZPS | Level Zero Processing System | |
| LZW | Lempel Ziv Welch | |
| M | Back to top | |
| M202 | Multi Mission Observation Operator | |
| M2M | Machine to Machine | |
| MaaS | Monitoring as a Service | |
| MACAWS | Multicenter Airborne Coherent Atmospheric Wind Sensor | |
| MACLAS-1 | McDonald Laser Station One (2.7 meter telescope) (TX) | |
| MACLAS-2 | McDonald Laser Station Two (MLRS) (TX) | |
| MAGSAT | Magnetic Field (Magnetometer) Satellite | |
| MAIA | Multi-Angle Imager for Aerosols | |
| MAIAC | Multi-Angle Implementation of Atmospheric Correction | |
| ManLan | Manhattan Landing (high performance exchange point in New York City) | |
| MAO | Main Astronomical Observatory (Ukraine) | |
| MAP | Map Accuracy Programme (Africover) | |
| MAPS | Measurement of Atmospheric Pollution from Satellites | |
| MAPSAT | Mapping Satellite | |
| MarineVERSE | Marine Biodiversity and Scaling Project | |
| MARLi | Multi-function Airborne Raman Lidar | |
| MAS | MODIS Airborne Simulator | |
| MASC | Microwave Atmospheric Sounder on Cubesat | |
| MASS | Modular Aerial Sensing System | |
| MASTER | MODIS/ASTER Airborne Simulator | |
| Matlab | Matrix laboratory | |
| MATLAS | Matera, Italy Laser Station | |
| MAX | Mid-Atlantic Crossroads | |
| MB | megabyte | |
| mb | millibar | |
| MBaaS | Mobile Backend as a Service | |
| MBES | Multibeam Echo Sounding | |
| MBLA | Multi-Beam Laser Altimeter | |
| MC3E | Midlatitude Continental Convective Clouds Experiment | |
| MCC | Mission Control Center (Russia) | |
| MCEP | Mean Celestial Ephemeris Pole | |
| MCIP | Mission Critical IP | |
| MCoRDS | Multichannel Coherent Radar Depth Sounder | |
| MCP | Meteorological Communications Package Micro Channel Plate | |
| MCR | Mission Concept Review | |
| MCST | MODIS Characterization Support Team (EOS) | |
| MDR | Mission Definition Review | |
| MEaSUREs | Making Earth System data records for Use in Research Environments | |
| MEBS | MODIS Emergency Backup System (EOS) | |
| MEDLAS | Mediterranean Laser Campaign | |
| MEIS | Multispectral Electrooptical Imaging Sensor | |
| MELV | Medium Expendable Launch Vehicle | |
| MEO | Middle Earth Orbit (Satellite) | |
| MER-TOGA | Data merge to Trace Organic Gas Analyzer | |
| MER-WAS | Data merge to Whole Air Sampler | |
| MERES | Mineral and Energy Resources Exploration Satellite (Japan) | |
| MERIS | Medium-Resolution Imaging Spectrometer (ESA Envisat) | |
| MERIT | Monitoring of Earth Rotation and Intercomparison of Techniques | |
| MERLIN | MISR Enhanced Research and Lookup Interface | |
| MERRA | Modern Era Retrospective-analysis for Research and Applications | |
| MESSR | Multispectrum Electronic Self-Scanning Radiometer | |
| METEOSAT | Geosynchronous Meteorology Satellite (ESA) | |
| METI | Ministry of Economy Trade and Industry (Formerly Known As MITI) | |
| MetOp | Meteorological Operational Weather Satellite | |
| METSAT | Meteorological Satellite | |
| MFEnet | Magnetic Fusion Energy Network | |
| MFOV | Medium Field of View | |
| MGRS | Military Grid Reference System | |
| MHS | Microwave Humidity Sounder (EOS) | |
| MHz | MegaHertz | |
| MIAS | Multispectral Image Analysis System | |
| MIDAS | Multispectral Interactive Data Analysis System | |
| MIIC | Multi-Instrument Inter-Calibration Framework | |
| MILnet | Defense data network | |
| MIMR | Multifrequency Imaging Microwave Radiometer | |
| MINDS | Multi-Decadal Nitrogen Dioxide and Derived Products from Satellites | |
| MIPAS | Michelson Interferometer for Passive Atmospheric Sounding | |
| MIR | Multispectral Imaging Radiometer | |
| MIRAS | Microwave Imaging Radiometer with Aperture Synthesis (ESA) | |
| MIRIAM/DOPI | Mir Infrared Atmospheric Measurements/Double Pendulum Interferometer | |
| MISR | Multi-angle Imaging SpectroRadiometer (EOS) | |
| MITI | Ministry of International Trade and Industry | |
| MIVIS | Multispectral Infrared and Visible Imaging Spectrometer | |
| MLRO | Matera Laser Ranging Observatory (Italy) | |
| MLRS | McDonald Laser Ranging System | |
| MLS | Microwave Limb Sounder | |
| MMIC | Monolithic Microwave Integrated Circuit | |
| MMO | Multi-Mission Operations | |
| MMR | Modular Multi-Band Radiometer | |
| MMT | Metadata Management Tool | |
| MO&DSD | Mission Operations and Data Systems Directorate (GSFC Code 500) | |
| MOA | Memorandum Of Agreement | |
| MOBLAS | MOBile LASer Ranging System | |
| MOC | Mission Operations Center | |
| MODAPS | MODIS Adaptive Processing System | |
| MODExtract | MODIS Data Pool Extraction Tool | |
| MODIS | Moderate Resolution Imaging Spectroradiometer (EOS) | |
| MODIS-N | Moderate Resolution Imaging Spectroradiometer - Nadir | |
| MODLAND | MODIS Land Discipline Group (EOS) | |
| MODS | Moderate Resolution Imaging Spectrometer | |
| MOM | Mobile Optical Mount | |
| MOMS | Modular Optoelectric Multispectral Scanner | |
| MOP | Meteosat Operational Programme | |
| MOPITT | Measurements of Pollution in the Troposphere | |
| MOS | Marine Observation Satellite | |
| MOSAiC | Multidisciplinary drifting Observatory for the Study of Arctic Climate | |
| MOSPF | Multicast Open Shortest Path First | |
| MOU | Memorandum of Understanding | |
| MP-MP | Multipoint-Multipoint Systems | |
| MPLS | Multiprotocol Label Switching | |
| MPPP | Multi-Link Point-to-Point Protocol | |
| MPRD | Modified Proportional Radial Displacement | |
| MPS | Mission Planning System (ASF) | |
| mrad | microradians | |
| MRIR | Medium Resolution Infrared Radiometer (Nimbus) | |
| MRMS | Multi-Radar/Multi-Sensor | |
| MRR | Micro Rain Radar | |
| MrSID | Multiresolution Seamless Image Database | |
| MRT | MODIS Reprojection Tool | |
| MRTP | Mission Readiness Test Plans | |
| MRTSwatch | MODIS Reprojection Tool for Swath | |
| MRTWeb | MODIS Reprojection Tool for the Web | |
| ms | millisecond | |
| MSaaS | Managed Software as a Service | |
| MSAS | MTSAT Satellite-Based Augmentation Satellite | |
| MSAVI | Modified Soil Adjusted Vegetation Index | |
| MSC | Multispectral Camera | |
| MSF | Methane Source Finder | |
| MSFC | Marshall Space Flight Center | DO NOT USE (per NASA Style Guide) |
| MSG | Meteosat Second Generation (ESA) | |
| MSL | Mean Sea Level | |
| MSMR | Multi-frequency Scanning Microwave Radiometer | |
| MSO | Mount Stromlo (Canberra, NSW, Australia) | |
| MSP | Managed Service Provider | |
| MSR | Microwave Scanning Radiometer | |
| MSS | mean square slope Multi-Spectral Scanner (Landsat 1-5) | |
| MSSSO | Mount Stromlo and Siding Spring Observatory (Canberra, NSW, Australia) | |
| MSTI | Miniature Seeker Technology Integration | |
| MsTMIP | Multi-scale Synthesis and Terrestrial Model Intercomparison Project | |
| MSU | Microwave Sounding Unit | |
| MSU-SK | Multispectral Optical Scanner | |
| MTF | Modulation Transfer Function | |
| MTLRS | Modular Transportable Laser Ranging System | |
| MTPE | Mission to Planet Earth (USA) | |
| MTS | Meteoroid Technology Satellite (NASA) | |
| MTSAT | Multi-functional Transport Satellite (Japan) | |
| MTTR | Mean Time To Recover | |
| MTTRS | Mean Time To Restore Service | |
| MUR | Multi-scale Ultra-high Resolution | |
| MUSSIC | Multi-Satellite Ultraviolet Solar Spectral Irradiance Composite | |
| MV | Mobile VLBI | |
| MVP | Minimum Valuable Product | |
| MWG | Missions Working Group (ILRS) | |
| N | Back to top | |
| NAALSED | North American ASTER Land Surface Emissivity Database | |
| NAAMES | North Atlantic Aerosols and Marine Ecosystems Study | |
| NACL | Network Access Control List | |
| NACP | North American Carbon Program | |
| NAD | North American Datum | |
| NAL | National Aerospace Laboratory of Japan | |
| NALC | North American Land Characterization | |
| NAM | NASA Advisory Manager | |
| NAO | National Astronomical Observatory (Tokyo, Japan) | |
| NAPEOS | Navigation Package for Earth Observation Satellites | |
| NAPP | National Aerial Photography Program | |
| NARA | National Archives and Records Administration | |
| NARSA | National Advanced Remote Sensing Applications Program | |
| NARSTO | North American Research Strategy for Tropospheric Ozone | |
| NAS | NASA Advisory Council National Academy of Sciences | |
| NASA | National Aeronautics and Space Administration | *commonly used as NASA |
| NASCOM | NASA Communications Network | |
| NASCOP | NASA Communications Operating Procedures | |
| NASDA | National Space Development Agency (Japan) | |
| NASIRC | NASA Automated Systems Incident Response Capabilities | |
| NASTRAN | NASA Structural Analysis (Program) | |
| NATMAP | NATional MAPping | |
| NAVSTAR | Navigation Satellite Timing and Ranging Global Positioning System | |
| NBAR | Nadir BRDF Adjusted Reflectance | |
| NBI | Network Business Intelligence | |
| NBIS | Northern Biosphere Information System | |
| NBSM | National Bureau of Surveying and Mapping (China) | |
| NCAR | National Center for Atmospheric Research | |
| NCC | National Cartographic Centre (Iran) | |
| NCDC | National Climatic Data Center (NOAA) | |
| NCDS | NASA Climate Data System | |
| NCEDC | Northern California Earthquake Data Center (USA) | |
| NCEP | National Center for Environmental Prediction (NOAA) | |
| NCEP AWC | National Center for Environmental Prediction Air Weather Center | |
| NCF | NSSDC Computer Facility | |
| NCGIA | National Center for Geographic Information and Analysis | |
| NCL | University of Newcastle upon Tyne (United Kingdom) | |
| NCMN | National Crustal Motion Network | |
| NCSA | National Center for Supercomputer Applications | |
| NCSC | National Computer Security Center | |
| NCSL | National Computer Systems Laboratory | |
| NCST | Naval Center for Space Technology (USA) | |
| Nd:YAG | Neodymium Yttrium Aluminum Garnet | |
| NDACC | Network for the Detection of Atmospheric Composition Change | |
| NDCS | National Digital Cartographic Standards | |
| NDMC | National Drought Mitigation Center | |
| NDPR | NASA Defense Purchase Request | |
| NDSI | Normalized Difference Snow Index | |
| NDVI | Normalized Difference Vegetation Index | |
| NED | National Elevation Dataset | |
| NEP | net ecosystem production | |
| NEPP | NASA Electronic Parts and Packaging | |
| NERC | National Environmental Research Centre (UK) | |
| NEROC | North East Rotation Observatory Corporation | |
| NESDD | NOAA Earth Science Data Directory | |
| NESDIS | National Environmental Satellite, Data, and Information Service (NOAA) | |
| NET | National Environmental Satellite, Data, and Information Service | |
| netCDF | Network Common Data Form | |
| NewDISS | New Data and Information Systems and Services | |
| NEWG | Networks and Engineering Working Group (ILRS) | |
| NEWS | NOAA’s Earth Watch Service | |
| NEXRAD | Next Generation Weather Radar | |
| NGAP | NASA-compliant General Application Platform | |
| NGDC | National Geophysical Data Center (NOAA); National Geospatial Data Clearinghouse | |
| NGDF | National Geospatial Data Files | |
| NGIX | Next Generation Internet Exchange | |
| NGMA | National Geoscience Mapping Agency (Australia) | |
| NGMBD | National Geologic Map Database (USGS) | |
| NGRS | National Geodetic Reference System | |
| NGS | National Geodetic Survey | |
| NGT | NASA Ground Terminal | |
| NGVD | National Geodetic Vertical Datum | |
| NGWIC | National Ground Water Information Center | |
| NHAP | National High Altitude Photography | |
| NIAC | NASA Institute for Advanced Concepts | |
| NIC | NASA Information Center | |
| NICMOS | Near-Infrared Camera and Multi-Object Spectrometer | |
| NICT | National Institute of Information and Communications Technology (Japan) | |
| NIES | National Institute for Environmental Studies (Japan) | |
| NIMBUS | NASA Meteorological Satellites (1 through 7) | |
| NIR | Near Infrared (spectral region) | |
| NISAR | NASA-ISRO SAR Mission | |
| NISE | Near Real-Time SSM/I EASE-Grid Daily Global Ice Concentration and Snow Extent | |
| NISN | NASA Integrated Services Network | |
| NISS | NASA Institutional Support Systems | |
| NITRD | Networking and Information Technology Research and Development | |
| NIX | NASA Image Exchange | |
| NLAPS | National Landsat Archive Production System (USGS) | |
| NLCD | National Land Cover Dataset (USGS) | |
| NLDAS | North American Land Data Assimilation System | |
| NLDC | NASA Landsat Data Collection | |
| NLOS | Not Line of Sight | |
| NLRS | National Laser Ranging System (Orroral, Australia) | |
| NLS | National Land Survey (Sweden) | |
| NM | Nadir Mapper | |
| NMA | Norwegian Mapping Authority | |
| NMAS | National Map Accuracy Standards | |
| NMASS | Nucleation Mode Aerosol Size Spectrometer | |
| NMC | National Meteorological Center (NOAA) | |
| NMD | NASA Master Directory National Mapping Division (Australia) | |
| NMI | NASA Management Instruction | |
| NMOS | NASA Management and Operations Support Network and Mission Operations Support (NASA Program) | |
| NMP | New Millenium Program | |
| NMQ | National Mosaic and Multi-Sensor QPE | |
| NNSS | Navy Navigational Satellite System | |
| NO2 | Nitrogen Dioxide | |
| NOAA | National Oceanic and Atmospheric Administration | |
| NOAA SAA | NOAA Satellite Active Archive | |
| NOARL | Naval Oceanographic and Atmospheric Research Lab | |
| NOC | Network Operations Center | |
| NODC | National Oceanographic Data Center (NOAA) | |
| NODIS | NSSDC Online Data and Information Service | |
| NODS | NASA Ocean Data System | |
| NOMC | Network Operations Management Center | |
| NOS | National Ocean Survey | |
| NOSIE | NODC Ocean Science Information Exchange | |
| NOSS | National Oceanic Satellite System | |
| NOX | Northern Crossroads | |
| NP | Nadir Profiler Normal Point | |
| NPAS | Network Planning and Analysis System | |
| NPG | NASA Procedure and Guidelines | |
| NPL | National Physical Laboratory (India) | |
| NPOESS | National Polar-orbiting Operational Environmental Satellite System | |
| NPOL | NASA S-Band Dual-Polarimetric Radar | |
| NPOP-1 | NASA Polar Orbiting Platform (One) | |
| NPP | net primary production NPOESS Preparatory Project | |
| NPR | NASA Procedural Requirements | |
| NRA | NASA Research Announcement | |
| NRAO | National Radio Astronomy Observatory | |
| NRC | National Research Council | |
| NRCan | National Resources of Canada (Ottawa, Canada) | |
| NRDN | NOAA Radar Data Network | |
| NREN | National Research and Education Network | |
| NRIAG | National Research Institute of Astronomy and Geophysics (Egypt) | |
| NRL | Naval Research Laboratory | |
| NRMI | Natural Resource Management Index | |
| NRPI | Natural Resource Protection and Child Health Indicators | |
| NRSA | National Remote Sensing Agency (India) | |
| NRSC | National Remote Sensing Centre (UK) | |
| NRSCC | National Remote Sensing Centre of China | |
| NRT | Near Real-Time | |
| NRTP | Near Real-Time Processor | |
| NRTPE | Near Real-Time Processing Effort | |
| NRTS | Near Real-Time System | |
| NSA | Northern Study Area | |
| NSAP | Network Services Access Point | |
| NSAU | National Space Agency of Ukraine | |
| NSC | Norwegian Space Centre | |
| NSCAT | NASA Scatterometer | |
| NSDS | NASA Software Documentation Standard | |
| NSF | National Science Foundation | |
| NSG | NASA Sentinel Gateway | |
| NSGF | NERC Space Geodesy Facility (United Kingdom) | |
| NSIDC DAAC | National Snow and Ice Data Center DAAC | |
| NSM | Network Service Manager | |
| NSN | NASA Science Network | |
| NSP | Korean National Space Development Plan | |
| NSpC | National Space Council | |
| NSPD | National Space Policy Directive | |
| NSPIRES | NASA Solicitation and Proposal Integrated Review and Evaluation System | |
| NSR | NISN Service Request | |
| NSRS | National Spatial Reference System (NOAA) | |
| NSSDC | National Space Science Data Center | |
| NSSL | National Severe Storms Laboratory (NOAA) | |
| NSTC | National Space and Technology Council | |
| NSTR | NASA Standard Tape Recorder | |
| NTIS | National Technical Information Service | |
| NTS | National Topographic Series (Canada); National Topographic System (Canada); Navigation Technology Satellite | |
| NTTF | NASA Test and Training Facility | |
| NUVEL | Northwestern University velocity model | |
| NVAP | NASA Water Vapor Project | |
| NVCS | National Vegetation Classification Standard | |
| NWP | Numerical Weather Prediction | |
| NWS | National Weather Service (NOAA) | |
| NWS-HRL | NWS - Hydrologic Research Laboratory | |
| NWS-RFC | NWS - Regional Forecast Center | |
| NWS-RFO | NWS - River Forecast Office | |
| O | Back to top | |
| O3 | Ozone | |
| OA | Operations Agreement | |
| OASIS | GIPSY-Orbit Analysis and SImulation Software | |
| OB.DAAC | Ocean Biology Distributed Active Archive Center | |
| OBPG | Ocean Biology Processing Group | |
| OCA | Observatoire de la Cote d'Azur (France) | |
| OCDPS | Ocean Color Data Processing System | |
| OCM | Ocean Colour Monitor | |
| OCO | Orbiting Carbon Observatory | |
| OCR | Optical Character Recognition; Optical Character Reader | |
| OCTS | Ocean Color and Temperature Scanner (Japan, ADEOS) | |
| ODB | Orbit Determination Beacon | |
| ODC | IGS Operational Data Center | |
| ODL | Object Description Language | |
| ODPS | Ocean Data Processing System SIPS OMI Dutch Processing System | |
| ODS | One Day Schedule | |
| OEC | Optical-Electronic Camera | |
| OGC | Open Geospatial Consortium | |
| OGT | Observatoire Géodésique de Tahiti (French Polynesia) | |
| OIIP | Oceanographic In-situ data Interoperability Project | |
| OLG | Observatory Lustbuehel Graz (Austria) | |
| OLI | Operational Land Imager | |
| OLS | Optical Line Scanner | |
| OLYMPEX | Olympic Mountain Experiment | |
| OMAERO | OMI Multi-wavelength | |
| OMAEUV | OMI Ultraviolet | |
| OMB | Office of Management and Budget | |
| OMG | Oceans Melting Greenland | |
| OMI | Ozone Monitoring Instrument | |
| OMIS | Optical Multichannel Imaging Sensor (NPOESS) | |
| OMPS | Ozone Mapper/Profiler Suite | |
| ONVS | Ozone Near-real-time and Very-fast-delivery System | |
| OPeNDAP | Open-source Project for Network Data Access Protocol | |
| OPERA | Observation Products for End-Users for Remote Sensing Analysis | |
| ORACLES | ObseRvations of Aerosols above CLouds and their intEractionS | |
| ORFEO | Optical and Radar Federated Earth Observation | |
| ORNL DAAC | Oak Ridge National Laboratory DAAC | |
| ORR | Operational Readiness Review | |
| ORRLAS | Orroral, Australia Laser Station | |
| ORT | Optical Ranging Telescope | |
| OSC | Orbital Sciences Corporation | |
| OSCAR | Ocean Surface Current Analysis Real-time | |
| OSDPD | Office of Space Data Processing and Distribution (NOAA) | |
| OSF | Observation Schedule File | |
| OSGB | Ordinance Survey of Great Britain | |
| OSMI | Ocean Scanning Multispectral Imager | |
| OSO | Onsala Space Observatory (Sweden) | |
| OSPF | Open Shortest Path First (Routing Protocol) | |
| OSPO | Office of Satellite and Product Operations | |
| OSS | Open Source Software | |
| OSTA | Office of Space and Terrestrial Applications (USA) | |
| OSTM | Ocean Surface Topography Mission | |
| OSTP | Office of Science and Technology Policy | |
| OTAGO | University of Otago (Dunedin, New Zealand) | |
| OUAT | Olsztyn University of Agriculture and Technology (Poland) | |
| OVRO | Owens Valley Radio Observatory | |
| P | Back to top | |
| P-MP | Point-MultiPoint systems | |
| PaaS | Platform as a Service | |
| PACOR | Packet Processor | |
| PALS | Passive Active L- and S-band Sensor | |
| PALSAR | Phased-Array L-band SAR (Japan) | |
| Pan-STARRS | Panoramic Survey Telescope and Rapid Response System (USA) | |
| PANGA | Pacific Northwest Geodetic Array (USA) | |
| PAR | Photosynthetically Active Radiation | |
| PAS | Polish Academy of Sciences | |
| PASSCAL | Program for Array Seismic Studies of the Continental Lithosphere (USA) | |
| PB | petabyte (1015) | |
| PBL | planetary boundary layer | |
| PC-TomoSAR | Polarimetric Coherence Tomographic SAR | |
| PCA | Primary Census Abstract | |
| PCDTM | Point Cloud Digital Terrain Model | |
| PCGIAP | Permanent Committee for GIS Infrastructure for Asia and the Pacific | |
| PCS | Preservation Content Specification | |
| PDR | Preliminary Design Review Product Delivery Record | |
| PDS | Production Data Set | |
| PE&RS | Photogrammetric Engineering & Remote Sensing (journal) | |
| PERSIANN-CCS | Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks Cloud Classification System | |
| PFAR | Post-Flight Assessment Review | |
| PFM | Proto-Flight Model | |
| PGC | Pacific Geoscience Center (Canada) | |
| PGE | Product Generation Exectuable | |
| PGGA | Permanent GPS Geodetic Array (Southern California) | |
| PGS | Polar Ground System Product Generation System | |
| PHAIRS | Public Health Application in Remote Sensing | |
| PHD | Polar HDF-EOS Data Imaging and Subsetting | |
| PI | Principal Investigator | |
| PICARD | Push-broom Imager for Cloud and Aerosol Research and Development | |
| PIM | Protocol Independent Multicast | |
| PIP | Precipitation Imaging Package | |
| PL | Public Law | |
| PLAR | Post-Launch Assessment Review | |
| PLDS | Pilot Land Data System | |
| PLRA | Program-Level Requirements Appendix | |
| PLUE | Population, Land Use, and Emissions | |
| PM/UT | Polar Motion/Universal Time | |
| PMR | Pressure-Modulated Radiometer | |
| PMSL | Permanent Service for Mean Sea Level | |
| PMT | Photo Multiplier Tube | |
| PNNL | Pacific Northwest National Laboratory | |
| PO.DAAC | Physical Oceanography Distributed Active Archive Center | |
| POA&Ms | Plan of Action/Milestones | |
| POAM | Polar Ozone and Aerosols Mission | |
| POC | Point Of Contact | |
| POD | Polarimeter Definition Precision orbit determination | |
| PODEX | Polarimeter Definition Experiment | |
| POEM | Polar-Orbit Earth Observation Mission | |
| POEMS | Positron Electron Magnet Spectrometer | |
| POES | Polar-Orbiting Operational Environmental Satellite | |
| POGO | Polar-Orbiting Geophysical Observatory | |
| POLAC | Paris Observatory Lunar Analysis Center (France) | |
| POLARIS | Photochemistry of Ozone Loss in the Arctic Region In Summer POLar motion Analysis by Radio Interferometry | |
| POLDER | Polarization and Directionality of Earth's Reflectances (CNES, ADEOS) | |
| POLES | Polar Exchange at the Sea Surface | |
| PolinSAR | Polarimetric Interferometric SAR | |
| POP | Program Operating Plan | |
| POS | Product Order Status | |
| POSS | Precipitation Occurrence Sensor System | |
| PP | Principal Point | |
| PPET | Portable Pico-Second Event Timer | |
| PPME | Pacific Plate Motion Experiment | |
| PPR | Photopolarimeter Radiometer | |
| PPRS | Precipitation Retrieval and Profiling Scheme | |
| PPS | Precipitation Processing System | |
| PR | Precipitation Radar (TRMM) | |
| PRAMM | Planning Research Analysis Marketing and Management Firm (USA) | |
| PRARE | Precise Range and Range-rate Equipment | |
| PRAREE | Precise Range and Range Rate Equipment - Extended | |
| PREFIRE | Polar Radiant Energy in the Far Infrared Experiment | |
| PRIRODA | Nature Instrument Model on Russian MIR Station | |
| PRISM | Portable Remote Imaging Spectrometer | |
| PRISMA | Hyperspectral Precursor of the Application Mission | |
| PRPS | Precipitation Retrieval and Profiling Scheme | |
| PRR | Production Readiness Review | |
| PSA | Product Specific Attributes | |
| PSAT | Predicted Site Acquisition Table | |
| PSD | Product Specification Document | |
| PSI | Packetnet Systems Interface | |
| PSLA | Project Service Level Agreement | |
| PSLR | Portable Satellite Laser Ranging System (Latvia) | |
| PSLV | Polar Satellite Launch Vehicle | |
| PSN | Piano Spazial Nazionale (Italy) | |
| PT-JPL | Priestly-Taylor Jet Propulsion Laboratory | |
| PTH | Performance Test Host | |
| PTTI | Precise Time and Time Interval | |
| PU | Processing Unit | |
| PULKOVA/RAS | Astronomical Observatory at Pulkova/Russian Academy of Sciences | |
| PUMP | Provider User Management Program (retied; replaced by MMT) | |
| PV | Precision Visuals | |
| PVC | Performance Verification Center | |
| PVI | Perpendicular Vegetation Index Precipitation Video Imager | |
| PW | Precipitable water | |
| PWV | Precipitable water vapor | |
| PyLOT | Python cLoud Operations Tool | |
| pyQuARC | Python library for Earth observation metadata quality assessment | |
| Q | Back to top | |
| QA | Quality Assurance | |
| QC | Quality Control | |
| QL | Quick-Look | |
| QLDAC | Quick-Look Data Analysis Center (The Netherlands) | |
| QOS | Quality of Service | |
| QUASAR | Quality Assurance and Stability Reference | |
| QuikSCAT | Quick Scatterometer | |
| QWIP | Quantum Well Infrared Photodetector | |
| R | Back to top | |
| RA | Radar Altimeter | |
| RADAR | Radio Direction And Ranging | *commonly referred to as radar |
| RADARSAT | Radar Satellite | |
| RADEX | Radar Definition Experiment | |
| RAID | Redundant Array of Independent Disks | |
| RAMP | Radarsat Antarctic Mapping Program | |
| RAMSES | Retrieval Algorithm for Microwave Sounders in Earth Science | |
| RAR | Real Aperture Radar | |
| RAS | Russian Academy of Sciences | |
| RASA | Russia Aviation-Space Agency | |
| RASCAL | Raster Scanning Airborne Laser | |
| RBD | Rate Buffered Data | |
| RCFC&WCD | Riverside County Flood Control and Water Conservation District (USA) | |
| RCIP | Real-Time Critical IP | |
| RCP | Representative Concentration Pathway | |
| RCSSMRS | Regional Center for Services in Surveying, Mapping and Remote Sensing | |
| RDAAC | Regional GPS Data Acquisition and Analysis Center on Northern Eurasia | |
| RDC | IGS Regional Data Center | |
| REIS | RapidEye Earth Imaging System | |
| REYNSST | NCEP Reynolds Blended SST Weekly Product | |
| RF | Radio Frequency | |
| RFC | Request For Comment | |
| RGB | Red-Green-Blue | |
| RGO | Royal Greenwich Observatory (Great Britain) | |
| RGOLAS | RGO, Herstmonceux, Great Britain Laser System | |
| RGS | Receiving Ground Station (ASF) | |
| RINEX | Receiver Independent Exchange (GPS data format) | |
| RIP | Router Information Protocol | |
| RIS | Raster Image Set Reflector in Space | |
| RISC | Reduced Instruction-Set Computing | |
| RISDE | Russian Institute of Space Device Engineering | |
| RITSS | Raytheon Information Technology and Scientific Services (USA) | |
| RM | Reference Monument | |
| RMS | Requirements Management System | |
| RMSE | Root-Mean-Square Error | |
| RNAAC | IGS Regional Network Associate Analysis Center | |
| RNSS | Radio Navigation Satellite Service | |
| RO | Radio Occultation | |
| ROA | Real Instituto y Observatorio de la Armada (Spain) | |
| ROA | Real Instituto y Observatorio de la Armada (Spain) Remotely Operated Aircraft | |
| ROB | Observatoire Royal de Belgium (Brussels, Belgium) | |
| ROM | Read-Only Memory | |
| ROSA | Radio Occultation for Sounding the Atmosphere | |
| ROSHYDROMET | Russian Federal Service for Hydrometeorology and Environmental Monitoring | |
| ROSIS | Reflective Optics System Imaging Spectrometer | |
| rpm | revolutions per minute | |
| RQMT | Requirements Document | |
| RRA | RetroReflector Array | |
| RRL | Radio Research Laboratories (Japan) | |
| RRS | Reduced Redundancy Storage | |
| RSA | Russian Space Agency Rosaviakosmos | |
| RSAC | Remote Sensing Applications Center | |
| RSG | Refraction Study Group (ILRS) Remote Sensing Group (UAZ) | |
| RSI | RADARSAT International | |
| RSMAS | Rosenstiel School of Marine and Atmospheric Sciences | |
| RSS | Remote Sensing Society (UK) | |
| RST | Remote Science Terminal | |
| RSU | Rivers State University of Science and Technology (Nigeria) | |
| RT | Real-Time | |
| RTADS | Real-Time Attitude Determination System | |
| RTC | Radiometrically Terrain-Correct | |
| RTCM | Radio Technical Commission for Maritime (format) | |
| RTCP | Real-Time Control Protocol | |
| RTCS | Real-Time Command Sequence | |
| RTK | Real Time Kinematic | |
| RTP | Real-Time Positioning | |
| RTS | Real-Time System | |
| RTSP | Real-Time Streaming Protocol | |
| RTSS | Real-Time System Simulator | |
| RTSW | Real Time Solar Wind | |
| RUC | Rapid Update Cycle | |
| RVoG | Random Volume over Ground | |
| S | Back to top | |
| S&R | Search and Rescue | |
| S-GCOS | Space-Based Global Change Observation System | |
| S-HIS | Scanning High-Resolution Interferometer Sounder | |
| S-MODE | Sub-Mesoscale Ocean Dynamics Experiment | |
| S-PDS | Session-based Production Data Sets | |
| S3 | Amazon Simple Storage Service | |
| s3fs | S3 File System | |
| S4PM | Simple, Scalable, Script-based, Science Processor for Measurements | |
| SA | Selective Availability | |
| SAAO | South African Astronomical Observatory | |
| SaaS | Software as a Service | |
| SABGOM | South Atlantic Bight and Gulf of Mexico | |
| SAC-C | Satelite de Aplicaciones Cientificas-C | |
| SAC-D | Satélite de Aplicaciones Científicas-D | |
| SAFARI | Southern African Regional Science Initiative | |
| SAFE | San Andreas Fault Experiment | |
| SAFIRE | Spectroscopy of the Atmosphere using Far Infrared Emission | |
| SAGE | Stratospheric Aerosol and Gas Experiment | |
| SALRO | Saudi Arabian Laser Ranging Observatory (Riyadh, Saudi Arabia) | |
| SAM | Stratospheric Aerosol Measurement | |
| SAMS | Stratospheric And Mesospheric Sounder | |
| SAO | Shanghai Astronomical Observatory (PRC) Smithsonian Astrophysical Observatory | |
| SAP | Service Access Point | |
| SAPHIR | Sounder for Probing Vertical Profiles of Humidity | |
| SAR | Synthetic Aperture Radar | |
| SARSAT | SAR Satellite | |
| SAS-C | Scientific Applications Satellite - C | |
| SASS | Seasat-A Satellite Scatterometer System | |
| SATC | Software Assurance Technology Center | |
| SAVE | Southern African Validation of EOS | |
| SAVI | Soil-Adjusted Vegetation Index | |
| SB-PDS | Session-Based Production Data Sets | |
| SBA | Search Based Application | |
| SBES | Singlebeam Echo Sounding | |
| SBUV | Solar Backscatter Ultraviolet | |
| SC | Station Coordinates | |
| SC | Station Coordinates Sub-Commission | |
| SCA | Star Camera Assembly | |
| ScaLARS | Scanning Laser Altitude and Reflectance Sensor (Germany) | |
| SCaMPR | Self-Calibrating Multivariate Precipitation Retrieval | |
| SCAN | Snow Climate Analysis Network | |
| SCANSAR | Scanning Synthetic Aperture Radar | |
| SCANSCAT | Scatterometer (Dual Pencil-Beam), Advanced Scatterometer for Studies in Meteorology and Oceanography | |
| SCAR-A | Smoke/Sulfates, Clouds and Radiation - America | |
| SCAR-B | Smoke/Sulfates, Clouds and Radiation - Brazil | |
| SCARAB | Scanner for the Radiation Budget | |
| SCEC | Southern California Earthquake Center | |
| SCEG | School of Civil Engineering and Geosciences (United Kingdom) | |
| SCF | Science Computing Facility | |
| SCIAMACHY | Scanning Imaging Absorption Spectrometer for Atmospheric Cartography | |
| SCIGN | Southern California Integrated GPS Network | |
| SCP | Secure Copy | |
| SCUBA | Self Contained Underwater Breathing Apparatus | *commonly referred to as scuba |
| SDAC | Satellite Data Analysis Center | |
| SDAT | Spatial Data Access Tool | |
| SDCS | SAR Data Catalog System | |
| SDMP | Science Data Management Plan | |
| SDN | Software-Defined Network (SD-LAN, SD-WAN) | |
| SDOC | Science Data Operations Center | |
| SDPF | Science Data Processing Facility | |
| SDPS | Science Data Processing Segment (ECS) Science Data Processing System | |
| SDR | System Definition Review | |
| SDS | Science Data System | |
| SDSC | San Diego Supercomputer Center | |
| SDSD | Satellite Data Services Division | |
| SE&I | System Engineering and Integration | |
| SE/RC | System Evolution/Release C (ECS) | |
| SEAC4RS | Southeast Asia Composition, Cloud, Climate Coupling Regional Study | |
| SeaDAS | SeaWiFS Data Analysis System | *commonly referred to as SeaDAS |
| SeaPAC | SeaWinds Project (JPL) | |
| SEASAR | Sea Synthetic Aperture Radar | |
| SEASAT | Sea Satellite | |
| SEASTAR | Spacecraft Flying SeaWiFS | |
| SeaWiFS | Sea-Viewing Wide-Field Sensor | |
| SeaWinds | Seawinds Scatterometer (for Flight on ADEOS II) | |
| SEDAC | Socioeconomic Data and Applications Center | |
| SEE | Sustaining Engineering Facility (EDOS Component) | |
| SEEDS | Strategic Evolution of ESE Data Systems (formerly NewDISS) | |
| SEF | Sustaining Engineering Facility (EDOS) | |
| SELV | Small Expendable Launch Vehicle | |
| SEM | Space Environment Monitor | |
| SENH | Solid Earth and Natural Hazards (USA) | |
| SERF | Service Entry Resource Format | |
| SESDI | Semantically-Enabled Scientific Data Integration | |
| SESPD | Space and Earth Science Programs Directorate | |
| SETIC | Selective Time-Interval Counter | |
| SEVIRI | Spinning Enhanced Visible and Infrared Imager (ESA) | |
| SEWP | Scientific and Engineering Workstation Procurement | |
| SFE | Science Formatting Equipment (Terra AM-1) | |
| SFSI | Shortwave-Infrared Full Spectrum Imager (Canada) | |
| SFTP | Secure Shell File Transfer Protocol | |
| SGAPO | Space Geodesy and Altimetry Projects Office | |
| SGI | Silicon Graphics - Iris | |
| SGML | Standard Generalized Markup Language | |
| SGMS | Space Geodetic Measurement Sites | |
| SGP | Space Geodesy Project | |
| SGS | Svalbard Ground Station (Norway) | |
| SHAO | Shanghai Observatory (PRC) | |
| SHIPS | Statistical Hurricane Intensity Prediction Scheme | |
| SHO | Simosato Hydrographic Observatory (Japan) | |
| SHOLAS |
Simosato, Japan Laser Station |
|
| SI | Spatial Information | |
| SIASGE | Sistema Italo-Argentino de Satélites protects Gestión de Emergencias | |
| SiB4 | Simple Biosphere Model 4 | |
| SIF | Solar-Induced Fluorescence | |
| SIF-ESDR | Solar-Induced Fluorescence Earth Science Data Record | |
| SIG | Special Interest Group | |
| SIM | Spectral Irradiance Monitor | |
| SIMBIOS | Sensor Intercomparison and Merger for Biological and Interdisciplinary Oceanic Studies | |
| SIMIP | Sea Ice Model Intercomparison Project | |
| SIMMS | Scalable Integrated Multi-Mission Simulator | |
| SIN | Sinusoidal | |
| SINEX | Software Independent Exchange Format | |
| SIO | Scripps Institution of Oceanography (San Diego, CA) | |
| SIP | Standard Internet Protocol | |
| SIPS | Science Investigator-led Processing System | |
| SIR | System Integration Review | |
| SIR-C | Shuttle Imaging Radar-C | |
| SIR-C/X-SAR | Spaceborne Imaging Radar-C/X-Band SAR | |
| SIRAL | SAR/Interferometric Radar Altimeter | |
| SIRS | Satellite Infrared Spectrometer | |
| SIS | Spatial Information System | |
| SISS | Software Implementation Support System | |
| SISTER | Space-based Imaging Spectroscopy and Thermal pathfindER | |
| SIT | System Integration Test | |
| SIVY | Systems Integration and Visualization of Yellowstone | |
| SK | Statens Kartverk (Norway) | |
| SKS | Svalbard Kongsberg Ground Station | |
| SKYLER | SBU X-band Phased Array Radar | |
| SLA | Service Level Agreement | |
| SLAI | Sunlit Leaf Area Index | |
| SLAR | Side-Looking Airborne Radar | |
| SLR | Satellite Laser Ranging | |
| SLRF 2020 | Satellite Laser Ranging Format 2020 | |
| SMAP | Soil Moisture Active Passive | |
| SMAPVEX | SMAP Validation Experiment | |
| SMC | System Management Center | |
| SMD | Science Mission Directorate | |
| SMIL | Synchronized Multimedia Integration Language | |
| SMM | Solar Maximum Mission | |
| SMMR | Scanning Multispectral Microwave Radiometer | |
| SMOS | Soil Moisture and Ocean Salinity | |
| SMP | SnowMicroPen | |
| SMS | Synchronous Meteorological Satellite | |
| SMSR | Safety and Mission Success Review | |
| SMTP | Simple Mail Transport Protocol | |
| SN | Space Network | |
| SNMP | Simple Network Management Protocol | |
| SNOTEL | Snow Telemetry | |
| SNOW-I | Search 'N Order Web Interface | |
| SnowEx | Snow Experiment | |
| SNR | Signal-to-Noise Ratio | |
| SNS | Simple Notification Service | |
| SNSB | Swedish National Space Board | |
| SNWG | Satellite Needs Working Group | |
| SOAP | Simple Object Access Protocol Single Operator Automation System | |
| SOAR | Satellite Ocean Aerosol Retrieval | |
| SoCAB | South Coast Air Basin | |
| SOCC | Science Operations Control Center | |
| SOD | Site Occupation Designator | |
| SoilSCAPE | Soil Moisture Sensing Controller and Optimal Estimator | |
| SOLSPEC | Solar Spectrum (Space Shuttle instrument from Europe) | |
| SOLSTICE | Solar Stellar Irradiance Comparison Experiment | |
| SOM | Space Oblique Mercator (projection); Spatial Object Manager | |
| SONAR | Sound Navigation and Ranging | |
| SONET | Synchronous Optical Network | |
| SOP | Standard Operating Procedure | |
| SOPAC | Scripps Orbit and Permanent Array Center | |
| SOR | Starfire Optical Range (USA) | |
| SORCE | Solar Radiation and Climate Experiment | |
| SOW | Statement of Work | |
| SOX | Southern Crossroads | |
| SP | Signal Processing | |
| SP2 | Single Particle Soot Photometer | |
| SPAD | Single Photon Avalanche Diode | |
| SPAN | Space Physics Analysis Network | |
| SPANS | Simple Protocol for Asynchronous Transfer Mode Network Signaling | |
| SPDB | Science Processing Database | |
| SPE | Single Photo Electron | |
| SPEX | Spectral Polarimeter for Planetary Explorations | |
| SPIE | Society of Photo-optical Instrumentation Engineers | |
| SPIN-2 | Space Information-2 Meter Data (Russian Space Agency) | |
| SPNLAS | San Fernando, Spain Laser Station | |
| SPoRT | Short-term Prediction Research and Transition Center | |
| SPOT | Systeme Pour l'Observation de la Terre | |
| SPS | Science Processing System | |
| SPURS | Salinity Processes in the Upper Ocean Regional Study | |
| SPWG | Signal Processing Working Group (ILRS) | |
| SQS | Simple Queue Service | |
| SRB | Surface Radiation Budget | |
| SRI | Space Research Institute (Russia) | |
| SRIF | Square Root Information Filter | |
| SRL | Shuttle Research Laboratory | |
| SROM | Spectro-radiometer for Ocean Monitoring | |
| SRR | System Requirements Review | |
| SRS | Stanford Research Systems | |
| SRS/GPS | Stellar Reference System/Global Positioning System | |
| SRTM | Shuttle Radar Topology Mission | |
| SSA | Southern Study Area | |
| SSALT | Solid-State Altimeter | |
| SSB | Space Studies Board | |
| SSBUV | Shuttle Solar Backscatter Ultraviolet | |
| SSC | Stennis Space Center | DO NOT USE (per NASA Style Guide) |
| SSE | Surface Solar Energy | |
| SSEC | Space Science and Engineering Center (University of Wisconsin) | |
| SSFPO | Space Station Freedom Project Office | |
| SSH | Sea Surface Height | |
| SSHA | Sea Surface Height Anomalies | |
| SSI&T | Science Software Integration and Test | |
| SSL | Secure Sockets Layer Space Science Laboratory (NASA Marshall) | |
| SSM/I | Special Sensor Microwave/Imager | |
| SSM/T | Special Sensor Microwave/Temperature Sounder | |
| SSMIS | Special Sensor Microwave Imager Sounder | |
| SSO | Single Sign-On | |
| SSP | Shared Socioeconomic Pathways | |
| SSS | Sea Surface Salinity | |
| SST | Sea Surface Temperature | |
| SSU | Stratospheric Sounding Unit | |
| STA | Science and Technology Agency | |
| STA3CD | Subsetting Tools for Advanced Analysis of Airborne Chemistry Data | |
| STAC | SpatioTemporal Asset Catalog | |
| STALAS | Stationary Laser Station (Goddard Space Flight Center) | |
| STARE | SpatioTemporal Adaptive-Resolution Encoding to Unify Diverse Earth Science Data for Integrative Analysis | |
| STARSHINE | Student Tracked Atmospheric Research Satellite for Heuristic International Networking Experiment | |
| STC | Short-time Critical | |
| STDM | Spacecraft Tracking and Data Network | |
| STDN | Spaceflight Tracking and Data Network | |
| STGT | Second TDRSS Ground Terminal | |
| STIKSCAT | Stick Scatterometer | |
| STILT | Stochastic Time-Inverted Lagrangian Transport | |
| STS | Space Transport System | |
| SUCCESS | SUbsonic aircraft Contrail and Clouds Effects Special Study | |
| SUDS | Science, User and Data Services | |
| SUNSAT | Stellenbosch UNiversity SATellite (South Africa) | |
| Suomi NPP | Suomi National Polar-orbiting Partnership | |
| SV | Station Velocities | |
| SW | Shortwave radiation | |
| SWBD | Shuttle Radar Topography Mission (SRTM) Water Body Dataset | |
| SWE | Snow Water Equivalent | |
| SWEPOS | Swedish Permanent GPS Network | |
| SWESARR | Snow Water Equivalent SAR and Radiometer | |
| SWG | Science Working Group | |
| SWIR | Shortwave infrared (TM5 and TM7 spectral region) | |
| SWIRLS | Stratospheric Wind Infrared Limb Sounder | |
| swisstopo | Swiss Federal Office of Topography | |
| SWOT | Surface Water Ocean Topography | |
| SXAO | Shaanxi Astronomical Observatory (PRC) | |
| T | Back to top | |
| T&C | Telemetry and Command | |
| TAI | International Atomic Time | |
| TARFOX | Tropospheric Aerosol Radiative Forcing Observational Experiment | |
| TB | terabyte (1012) | |
| TBD | To Be Determined | |
| TBF | Time Bias Function | |
| TBM | Terrestrial Biosphere Model | |
| TCI | Tropical Cyclone Intensity | |
| TCP/IP | Transmission Control Protocol/Internet Protocol | |
| TCSP | Tropical Cloud Systems and Processes | |
| TDOPF | Time Dependent Operational Parameter Fire | |
| TDRS | Tracking and Data Relay Satellite | |
| TDRSS | Tracking and Data Relay Satellite System | |
| TDX | TanDEM-X | |
| TEC | total electron content | |
| TEDA | Technical Data Acquisition Equipment (ADEOS) | |
| TEMPO | Tropospheric Emissions: Monitoring of Pollution | |
| TERS | Tropical Earth Resources Satellite | |
| TES | Tropospheric Emission Spectrometer | |
| TEXnet | Texas Network | |
| TFO | TOPEX/Poseidon Follow-On | |
| TGD | Thermal Infrared | |
| TGDDIS | Trace Gas Dynamics Data Information System | |
| THEnet | Texas Higher Education Network | |
| THIR | Temperature-Humidity Infrared Radiometer | |
| THORpex | THe Observing-system Research and predictability experiment | |
| THREDDS | THematic Realtime Environmental Distributed Data Services | |
| TIGER | Thermal Infrared Ground Emission Radiometer | |
| TIGO | Transportable Integrated Geodetic Observatory | |
| TIM | TRMM Microwave Imager | |
| TIMS | Therms Infrared Multispectral Scanner | |
| TIN | Triangular Irregular Network | |
| TIPS | Tether Physics and Survivability Experiment | |
| TIR | Thermal Infrared | |
| TIROS | Television and Infrared Operational Satellite | |
| TIRS | Thermal Infrared Sensor | |
| TIRV | Tuned Inter-Range Vector | |
| TIS | Topographic Information Systems | |
| TISF | Tape Inventory Sequential Files | |
| TIU | Time Interval Unit | |
| TLRS | Transportable Laser Ranging System | |
| TLS | Terrestrial Laser Scanning | |
| TLSCF | Team Led Science Computing Facility | |
| TM | Thematic Mapper (Landsat 5) | |
| TMI | TRMM Microwave Instrument (Japan) | |
| TMPA | TRMM Multi-satellite Precipitation Analysis | |
| TMR | TOPEX Microwave Radiometer | |
| TOA | Top-of-Atmosphere | |
| TOAST | Total Ozone Analysis using SBUV/2 and TOVS | |
| ToF | Time of Flight | |
| TOGA | Tropical Ocean Global Atmosphere | |
| TOLNet | Tropospheric Ozone Lidar Network | |
| TomoSAR | Tomography SAR | |
| TOMS | Total Ozone Mapping Spectrometer | |
| TOPEX | Ocean Topography Experiment | |
| TOPSAR | Topographic Synthetic Aperture Radar | |
| TOVS | TIROS Operational Vertical Sounder | |
| TPM | Trusted Platform Mobile | |
| TRACER | Tropospheric Radiometer for Atmospheric Chemistry and Environmental Research | |
| TRACER-AQ | TRacking Aerosol Convection ExpeRiment – Air Quality | |
| TRF | Terrestrial Reference Frame | |
| TRMM | Tropical Rainfall Measuring Mission | |
| TROPICS | Time-Resolved Observations of Precipitation structure and storm Intensity with a Constellation of Smallsats | |
| TROPOMI | TROPOspheric Monitoring Instrument | |
| TROS | TRansportable Observation Station | |
| TRUST | TDRSS Resource User Support Terminal | |
| TSAVI | Transformed Soil Adjusted Vegetation Index | |
| TSDIS | TRMM Science Data and Information System | |
| TSIS | Total and Spectral Solar Irradiance Sensor | |
| TSK | Tskuba Space Center (Japan) | |
| TSS | TRMM Support System | |
| TSTOL | TRMM System Test and Operations Language | |
| TSU | TRMM Science User | |
| TSX | TerraSAR-X | |
| TT&C | Tracking, Telemetry and Command | |
| TUM | Technical University of Munich (Germany) | |
| TURFTS | TDRSS User Radio Frequency Test Set | |
| TVDS | Transportable VLBI Data System | |
| TWMS | Tiled Web Map Service | |
| TZD | Tropospheric zenith delay | |
| U | Back to top | |
| UAF | University of Alaska-Fairbanks | |
| UARP | Upper Atmosphere Research Program | |
| UARS | Upper Atmosphere Research Satellite | |
| UAT | User Acceptance Testing | |
| UAV | Uninhabited Aerial Vehicle | |
| UB | University of Bonn (Germany) | |
| UCAR | University Corporation for Atmospheric Research | |
| UCL | University College, London | |
| UDP/IP | User Datagram Protocol/Internet Protocol | |
| UEM | Unified Endpoint Management | |
| UFP | Université de la Polynésie Française (French Polynesia) | |
| UFPR | University Federal de Parana (Brazil) | |
| UHF | Ultra High Frequency | |
| UIUC | University of Illinois at Urbana-Champaign | |
| um | micrometer | |
| UMBC | University of Maryland, Baltimore County | |
| UMM | Unified Metadata Model | |
| UNAM | Universidad Nacional Autonoma de Mexico | |
| UNAVCO | University NAVSTAR Consortium | |
| UNICANT | University of Canterbury (Christchurch, New Zealand) | |
| UNOOSA | United Nations Office of Outer Space Affairs | |
| UNSA | Universidad Nacional de San Augustin (Peru) | |
| UOSATS | University of Surrey Satellite (United Kingdom) | |
| UPAD | University of Padova (Italy) | |
| UPC | Polytechnical University of Catalonia (Spain) | |
| UPF | Université de la Polynésie Française (French Polynesia) | |
| URI | Uniform Resource Identifier | |
| URL | Uniform Resource Locator | |
| URS | User Registration System (EOSDIS) | |
| UserDIS | User Data Information System | |
| USGCRP | United States Global Change Research Program | |
| USNO | United States Naval Observatory | |
| USNVC | United States National Vegetation Classification | |
| USO | Ultra-Stable Oscillator | |
| USV | Uninhabited Surface Vehicle | |
| UT | Universal Time | |
| UTC | Universal Time, Coordinated | |
| UTCF | Universal Time Correlation Factor | |
| UTCSR | University of Texas Center for Space Research | |
| UTDF | Universal Tracking Data Format | |
| UTM | Universal Transverse Mercator | |
| UTOPIA | University of Texas Orbit Processor (USA) | |
| UV | Ultraviolet | |
| UWG | User Working Group | |
| UWIREMIS | University of Wisconsin-Madison MODIS Infrared Emissivity | |
| V | Back to top | |
| V0 | Version 0 | |
| VAS | VISSR Atmospheric Sounder | |
| VATC | Verification and Acceptance Testing Center | |
| VCF | Vegetation Continuous Fields | |
| VCL | Vegetation Canopy Lidar | |
| VD | Village Directory | |
| VDI | Virtual Desktop Infrastructure | |
| VEDA | Visualization, Exploration, and Data Analysis project | |
| VESDR | Vegetation Earth System Data Record | |
| VGT | SPOT-4 VEGETATION instrument (France) | |
| VHRPC | Very High Resolution Panchromatic Camera | |
| VHRR | Very High Resolution Radiometer | |
| VI | Vegetation Index | |
| VID | Vegetation Index Differencing | |
| VIIRS | Visible Infrared Imaging Radiometer Suite | |
| VIP | Vegetation Index and Phenology | |
| VIRGO | Variability of Solar Irradiance and Gravity Oscillations | |
| VIRR | Visible and Infrared Radiometer | |
| VIRS | Visible Infrared Scanner | |
| VIRSR | Visible Infrared Scanning Radiometer | |
| VIS | Visible (spectral region) | |
| VIS-UV | Visible/Ultraviolet Spectrometer | |
| VIS/IR | Visible/Infrared | |
| VISSR | Visible/Infrared Spin-Scan Radiometer (GOES) | |
| VLBA | Very Long Baseline Array | |
| VLBI | Very Long Baseline Interferometry | |
| VM | Virtual Machine | |
| VML | Vector Markup Language | |
| VMM | Virtual Machine Monitor VISSR Multiplexor/Modulator | |
| VNIIFTRI | All-Russian Scientific Research Institute for Physical-Technical and Radiotechnical Measurements (Russia) | |
| VNIR | Visible and Near-infrared (spectral region) | |
| VOCs | Volatile Organic Compounds | |
| VOLCAM | Volcanic Ash Mission | |
| VPC | Virtual Private Cloud | |
| VPN | Virtual Private Network | |
| VRM | Vector Ruggedness Measure | |
| VRML | Virtual Reality Modeling Language | |
| VSAR | Variable Synthetic Aperture Radar | |
| VSAT | Very Small Aperture Terminal | |
| VSL | NMi Van Swinden Laboratorium (The Netherlands) | |
| VTIR | Visible and Thermal Infrared Radiometer | |
| W | Back to top | |
| W/A | Working Agreement | |
| WAAS | Wide area augmentation system | |
| WAN | Wide Area Network | |
| WCPT | West Coast Precision Traverse | |
| WCRP | World Climate Research Program | |
| WCS | Web Coverage Service | |
| WDVI | Weighted Difference Vegetation Index | |
| WebDAV | Web Distributed Authoring and Versioning | |
| WEGENER | Working Group of European Geoscientists for the Establishment of Networks for Earthquake Research | |
| WELD | Web Enabled Landsat Data | |
| WESTPAC | Western Pacific Laser Tracking Network Satellite | |
| WetCHARTs | Wetland Methane Emissions and Uncertainty | |
| WETLAS | Wettzell, Germany Laser Station | |
| Wetnet | Network for Distribution and Joint Analysis of SSM/I | |
| WFF | Wallops Flight Facility | DO NOT USE (per NASA Style Guide) |
| WFOV | Wide Field Of View | |
| WG | Working Group | |
| WGCV | Working Group on Calibration and Validation (CEOS) | |
| WGD | Working Group on Data (CEOS) | |
| WGISS | Working Group on Information Systems and Services | |
| WGS | Wallops Ground System | |
| WGS 84 | World Geodetic System 1984 | |
| WHOI | Woods Hole Oceanographic Institution | |
| WiFS | Wide Field-of-view-Sensor | |
| WiMAX | Worldwide Interoperability for Microwave Access | |
| WING | Western Pacific Integrated Network of GPS | |
| WIST | Warehouse Inventory Search Tool | |
| WLRS | Wettzell Laser Ranging System (Germany) | |
| WMO | World Meteorological Organization | |
| WMS | Web Map Service | |
| WMTS | Web Map Tile Service | |
| WOCE | World Ocean Circulation Experiment | |
| WOTIS | Wallops Orbital Tracking Information System | |
| WPLS | Western Pacific Laser Tracking Network Satellite | |
| WPLTN | Western Pacific Laser Tracking Network | |
| WRAP | Wildfire Research and Application Partnership | |
| WSC | White Sands Complex | |
| WSGT | White Sands Ground Terminal | |
| WSMC | Western Space and Missile Center | |
| WSTF | White Sands Test Facility | DO NOT USE (per NASA Style Guide) |
| WTS | Wallops Tracking Station | |
| WTU | Wuhan Technical University (PRC) | |
| WUT | Warsaw University of Technology (Poland) | |
| WVR | Water vapor radiometer | |
| WWW | World Wide Web | *commonly referred to as www |
| WYSIWYG | What You See Is What You Get | |
| X | Back to top | |
| X-SAR | X-Band Synthetic Aperture Radar | |
| XBT | Expendable Bathythermograph | |
| xDLS | eXtensible Distance Learning System | |
| XHTML | eXtensible Hyper Text Markup Language | *commonly used as XHTML or xhtml |
| XML | eXtensible Markup Language | *commonly used as XML or xml |
| XP | Exchange Point | |
| XPS | XUV Photometer System | |
| XSL | eXtensible Stylesheet Language | |
| XSLT | eXtensible Stylesheet Language Transformation | |
| Y | Back to top | |
| YIBS-CEO | Yale Institute of Biospheric Studies - Center of Earth Observation | |
| YTD | Year To Date | |
| Z | Back to top | |
| ZIMLAS | Zimmerwald, Switzerland Laser Station | |
| ZIMLAT | Zimmerwald Laser and Astrometric Telescope (Switzerland) | |
| ZIPE | ZentralInstitut der Physik der Erde (Germany) | |
| ZND | Zenith neutral delay |