ASF Acronyms Key
| 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 | Definition <<Back to Top>> | |
|---|---|---|
| A/D | analog-to-digital converter | |
| AAAS | American Association for the Advancement of Science | |
| AADC | Alaska Aerospace Development Corporation | |
| AADN | Americas ALOS Data Node | |
| ACM | Asbestos Containing Material | |
| ACRES | Australian Centre for Remote Sensing | |
| ACS | Archiving and Catalog System (subsystem of AOS) | |
| ACU | Antenna Control Unit | |
| ADC | Archive Digital Cassette; Analog to Digital Converter | |
| ADDS | Application Development Data System | |
| ADEOS | Advanced Earth Observing Satellite | |
| ADEOS-1 | Advanced Earth Observing Satellite 1 | |
| ADEOS-2 | Advanced Earth Observing Satellite 2 | |
| ADF | ALOS Distributors Forum | |
| ADN | ALOS Data Node | |
| ADRO | Application Development and Research Opportunity | |
| ADSP | Advanced Digital SAR Processor (protype of the ASP) | |
| ADVAL | Alaska Data Visualization and Analysis Laboratory | |
| AECS | Atmospheric Effect Correction System | |
| AES | Atmospheric Environment Services (Canada) | |
| AF | Auto Focus | |
| AFRP | Archive Full Resolution Product | |
| AGC | Automatic Gain Control | |
| AGDC | Alaska Geospatial Data Clearinghouse | |
| AGDC | Alaska Geographic Data Committee | |
| AGS | Alaska Ground Station | |
| AGU | American Geophysical Union | |
| AHAP | Alaska High Altitude Photography | |
| AIC | Antarctic Imaging Campaign (part of AMM/RAMP) | |
| AIM | Aeronomy of Ice in the Mesosphere | |
| AIP | AIRSAR Integrated Processor | |
| AIRSAR | Airborne Synthetic Aperture Radar | |
| AISP | Alaska Interferometric SAR Processor | |
| AKDEM | Alaska Digital Elevation Model | |
| ALE | Absolute Location Error | |
| ALI | Alaska Landsat Inventory | |
| ALOS | Advanced Land Observing Satellite | |
| ALRP | Archive Low-Resolution Product | |
| AMI | Active Microwave Instrumentation (ERS-1) | |
| AML | Automated Media Library | |
| AMM | Antarctic Mapping Mission | |
| AMM-1 | Antarctic Mapping Mission 1 | |
| AMSR | Advanced Microwave Scanning Radiometer | |
| ANSI | American National Standards Institute | |
| AO | Announcement of Opportunity | |
| AOS | Acquisition of Signal | |
| APAR | Absorbed Photosynthetically Active Radiation | |
| APC | Antenna Pattern Correction | |
| APD | Advanced Product Development | |
| API | Application Programming Interface | |
| APID | Application Process IDentifier | |
| APOP | Automated Program Operating Plan System | |
| APR | Archive Product Request | |
| APS | Acquisition Planning Subsystem | |
| APS | Array Processor System | |
| APT | Automated Picture Transmission | |
| AR | Anomaly Report | |
| ARCSS | Arctic System Science | |
| ARCUS | Arctic Research Consortium of the United States | |
| ARS | Action Request System | |
| ARSC | Arctic Region Supercomputing Center (UAF) | |
| AS | Archive Signal | |
| ASAP | Artificial Satellite Analysis Program | |
| ASAR | Advanced SAR (on ENVISAT 1 & 2) | |
| ASF | Alaska Satellite Facility | |
| ASF UWG | ASF User Working Group | |
| ASFD | Alaska SAR Facility Development Project at JPL | |
| ASGP | Alaska Space Grant Program | |
| ASP | Alaska SAR Processor | |
| ASPRS | American Society for Photogrammetry and Remote Sensing | |
| ASTER | Advanced Spaceborne Thermal Emission and Reflection Radiometer | |
| ATBD | Algorithm Theoretical Basis Document | |
| ATI | Along-Track Interferometry | |
| ATM | Asyncronous Transfer Mode | |
| ATP | Acceptance Test Plan | |
| ATSR | Along Track Scanning Radiometer (ERS-1) | |
| AVHRR | Advanced Very High Resolution Radiometer | |
| AVNIR-2 | Advanced Visible and Near Infrared Radiometer type 2 | |
| AVO | Alaska Volcano Observatory | |
| AVS | Advanced Visualization System | |
| Acronym | Definition <<Back to Top>> | |
| BER | bit error rate | |
| BO | Business Office | |
| BOM | Bureau of Meteorology, Australia | |
| BP | Browse Product | |
| BPDF | Bidirectional Polarization Distrbution Function | |
| BPRC | Byrd Polar Research Center, Ohio State University | |
| bps | bits per second | |
| BPSK | Bit Phase Shift Keying | |
| BRDF | Bidirectional Reflectance Distribution Function | |
| BRF | Bidirectional Reflectance Factor | |
| BSR | Blind Scan Request | |
| BSSC | Bit Synchronizer Signal Conditioner | |
| Acronym | Definition <<Back to Top>> | |
| C&DH | Communications and Data Handling | |
| CADU | Channel Access Data Units | |
| CAL/VAL | Calibration and Validation | |
| CAM | Computer Assisted Mapping | |
| CAMEO | Collaboration on Advanced Multispectral Earth Observation | |
| CAP | Cartridge Access Port | |
| CARP | Computer-Aided Aerial Photgraphy | |
| CASI | Compact Airborne Spectrographic Imager | |
| CAT | Clear-Air Turbulence | |
| CCA | Change Control Authority | |
| CCB | Change/Configuration Control Board | |
| CCD | Charge Coupled Device | |
| CCL | Change Coordination/Control Letter | |
| CCRS | Canada Centre for Remote Sensing | |
| CCS | Control Computer Subsystem | |
| CCSD | Computer Compatible Signal Data | |
| CCSDS | Consultative Committee for Space Data Systems | |
| CCT | Computer Compatible Tape | |
| CD | Compact Disk | |
| CD-ROM | Compact Disk-Read Only Memory | |
| CDA | Command and Data Acquisition Station (used at Gilmore Creek) | |
| CDE | Cognizant Design Engineer | |
| CDF | Comman Data Format | |
| CDL | Common Data Link | |
| CDMS | Carrier Doppler Measurement System | |
| CDPF | Canadian Data Processing Facility | |
| CDR | Critical Design Review | |
| CDS | Comprehensive Discrepancy System | |
| CEDAR | Central European Environmental Data Request Facility | |
| CEOS | Committee on Earth Observation Satellites | |
| CERES | Clouds and Earth's Radiant Energy System | |
| CGI | Common Gateway Interface | |
| ChUI | Character User Interface | |
| CIESIN | Consortium for International Earth Science Information Network | |
| CIS | Canadian Ice Service | |
| CL | Clutter Lock | |
| CM | Configuration Management | |
| CMD | Command | |
| CNES | Centre National d'Etudes Spatiales (France) | |
| COB | Close of Business | |
| COBE | Cosmic Background Explorer Satellite | |
| CONAE | Comision Nacional de Actividades Espaciale | |
| CoO | Continuous Operation Evaluation | |
| COR | CSA Order Request | |
| CORBA | Common Object Request Broker Architecture | |
| CORISTA | collaboration with an Italian consortium | |
| COtr | Contracting Officer's Technical Representative | |
| COTS | Commercial Off-the-Shelf | |
| CP | Control Processor | |
| CP-PPS | Control Procesor-Production Planning System | |
| CP/RDS | Control Processor/Raw Data Scanner | |
| CPF | Calibration Parameter File | |
| CPLX | Complex Image Data | |
| CPP | Custom Processed Product | |
| CPU | Central Processing Unit | |
| CPX | Complex Frame | |
| CR | corner reflector | |
| CRC | Cyclic Redundancy Check | |
| CRF | Canadian Retransmission Facility | |
| CRREL | Cold Regions Research & Engineering Lab | |
| CRS | Central Reporting Subsytem | |
| CRSSP | Commercial Remote Sensing Space Program | |
| CSA | Canadian Space Agency | |
| CSAFS | Central Standard Autonomous File Server | |
| CSTARS | Center for Southeastern Tropical Advanced Remote Sensing (University of Miami) | |
| Ctd | Charge Transfer Device | |
| CTM | Corner-Turn Memory | |
| CVS | Concurment Version Control | |
| CWD | Current Working Directory | |
| CY | Calendar Year | |
| CYtd | Current Year To Date | |
| Acronym | Definition <<Back to Top>> | D/C | Down Converter |
| DAAC | Distributed Active Archive Center | |
| DADS | Data Archive and Distribution System | |
| DAPPS | Data Acquisition & Production Planning System | |
| DAR | Data Acquisition Request | |
| DARTE | Discrete Angle Radiative Transfer Equation | |
| DAS | Differential Absorption and Scattering | |
| DASE | Differential Absorption of Scattered Energy | |
| DB | Database | |
| DBA | Database Administrator; Database Administration | |
| DBD | Database Driver | |
| DBI | Database Interface | |
| DBM | Database Management (software application) | |
| DCE | Distributed Computing Environment | |
| DCE | Data Circuit-terminating Equipment | |
| DCL | Development Coordination Letter | |
| DCLS | Data Collection and location System | |
| DCP | Data Collection Platform | |
| DCRSi | Digital Cassette Recording System, improved version | |
| DCS | Direct Capture System | |
| DEC | Digital Equipment Corporation | |
| DEM | Digital Elevation Model | |
| DEMR | Department of Energy, MInes, and Resources (parent of CCRS) | |
| DERA | Defense Evaluation & Research Agency | |
| DES | Data Encryption Standard | |
| DES&OG | Data Systems Engineering & Operations Group | |
| DESDynI | Deformation, Ecosystem Structure and Dynamics of Ice | |
| DFD | Data Flow Diagram | |
| DFT | Discrete Fourier Transform | |
| DGPS | Differential GPS | |
| DHCP | Dynamic Host Configuration Protocol | |
| DIAL | Differential Absorption LIDAR | |
| DIPL | Digital Image Processing Laboratory (NRL) | |
| DISC | Differnetial Scattering | |
| DL2DK | Downlink to Datatake | |
| DLPO | Department of Defense Landsat Program Office | |
| DLR | German Aero-Space Research Establishment | |
| DLT | Digital Linear Tape | |
| DMOP | (ESA's) Detailed Mission Operation Plan | |
| DMSP | Defense Meteorolgical Satellite Program | |
| DN | Digital Number | |
| DNLK | Downlink | |
| DNS | Domain Name Server | |
| DOD | Digital Optical Disk | |
| DOD | Department of Defense | |
| DOE | Department of Energy (US) | |
| DOI | Department of Interior (US) | |
| DOM | Discrete Ordinate Method | |
| DOWS | Directional Ocean Wave Spectrum | |
| DPCM | Differential Pulse-Code Modulation | |
| DPS | Derived Product System (UAF name for Geophysical Processing System) | |
| DPS | Data Path Switch | |
| DQA | Data Quality Assurance | |
| DQWG | Data Quality Working Group (ASF) | |
| DRF | Data Reception Facility | |
| DRTS | Data Relay Test Satellite | |
| DS | Data Stripper | |
| DSC | Data Stripper Controller | |
| DSMC | Data Services Management Center | |
| DSN | Deep Space Network | |
| DTE | Data Terminating Equipment | |
| DTM | Digital Terrain Map | |
| DVD | Digital Video Disk | |
| Acronym | Definition <<Back to Top>> | EBIR | Electron Beam Image Recorder |
| ECHO | Earth Observing System Clearing HOuse (not a typo, "HO" is capitalized!) | |
| ECL | Emitter Coupled Logic | |
| ECS | EOSDIS Core System | |
| EDC | EROS Data Center (DAAC; Sioux Falls, SD) | |
| EDG | EOSDIS Data Gateway | |
| EDGRS | EOS Data Gathering and Reporting System | |
| EDHS | ECS Data Handling System | |
| EDS | Electronic Data Systems, Inc | |
| EECF | Earthnet ERS-1 Central Facility (Frascati, Italy) | |
| EIS | Environmental Information System | |
| ELF | Extremely Low Frequency | |
| EM Wave | Electromagnetic Wave | |
| EMR | Electromagnetic Radiation | |
| EMS | Electromagnetic Spectrum | |
| EMS | EOSDIS Metric System (formerly EDGRS Metrics System) | |
| ENG | Engineering Department | |
| Envisat | Future ESA SAR Satellite | |
| ENVISAT-I | Future ESA SAR Satellite | |
| EOC | ERS-1 Operations Centre (Darmstadt, Germany); Earth Observation Center (NASDA; Tokyo, Japan) | |
| EORC | Earth Observation Research and Application Center | |
| EOS | Earth Observing System | |
| EOSAT | Earth Observation Satellite Coporation (Owner of Landsat) | |
| EOSDIS | Earth Observing System Data and Information System | |
| EPCA | Extended Principle Components Analysis | |
| EPO | Earthnet Programme Office (Frascati, Italy) | |
| ERD | Entity Relationship Document | |
| ERIM | Environmental Research Istitute of Michigan | |
| EROS | Earth Resource Observation Systems | |
| ERS | European Remote Sensing Satellite | |
| ERS-1 | European Remote Sensing Satellite 1 | |
| ERS-2 | European Remote Sensing Satellite 2 | |
| ERTS | Earth Resource Technology Satellite | |
| ESA | European Space Agency | |
| ESDIS | Earth Science Data and Information System | |
| ESDR | Earth Science Data Records | |
| ESDWG | Earth Science Data Systems Working Group | |
| ESE | Earth Science Enterprise is now SES (Sun Earth System) | |
| ESIC | Earth Science Information Center | |
| ESIP | Earth Science Information Partners | |
| ESOC | European Space Operations Center (Darmstadt, Germany) | |
| ESRIN | European Space Research Institute | |
| ESSL | Earth and Space Science Laboratory | |
| ESTEC | European Space Technology Centre (Noordwijk, Holland) | |
| ETA | Estimated Time of Arrival | |
| EUSAR | European Conference in Synthetic Aperture Radar | |
| Acronym | Definition <<Back to Top>> | F | Fahrenheit |
| FA | Flight Agency | |
| FAB | Flight Agency Backup | |
| FAIF | Flight Agency Interface | |
| FAQ | Frequently Asked Questions | |
| FAT | Factory Acceptance Test | |
| FBD | Fine-Beam, Dual Polarization | |
| FBS | Fine-Beam, Single Polarization | |
| FCC | Federal Communicaitons Commission | |
| FCP | Forest Canopy Profile | |
| FD | Fast Delivery | |
| FDD | Functional Design Document | |
| FDDI | Fiber Disbtributed Data Interface | |
| FDF | Flight Dynamics Facility | |
| FDM | Frequency Division Multiplexing | |
| FDR | Functional Design Review; File Description Record | |
| FEC | forward-error correction | |
| FFT | Fast Fourier Transform | |
| FGS | Foreign Ground Station | |
| FIDC | Fairbanks Industrial Development Corporation | |
| FIRE | Fast Image Recording Equipment | |
| FM | Frequency Modulation | |
| FMC | Foward Motion Compensation | |
| FN | Fine Beam | |
| FN1 | Fine Narrow Beam Mode 1 | |
| FOV | Field of View | |
| FPAR | Fraction of Photosynthetically Active Radiation | |
| FPMS | File-based Processing and Migration System | |
| FPR | Future Production Request | |
| FPS | Film Processing System | |
| FR | Full Resolution | |
| FRD | Functional Requirements Document | |
| FRF | Full Res Film Generator | |
| FRIA | Far Range Incidence Angle | |
| FRND | Far Range Distance From Nadir | |
| FRR | Far Range Resolution | |
| FRRP | Full Resolution Raw Product | |
| FSI | Foreign Station Ingest | |
| FT | Fourier Transform | |
| FTE | Full-Time Equivalent | |
| FTP | File Transfer Protocol | |
| FTS | File Transfer Service/System | |
| FTS | Fourier Transform Spectrometer | |
| FU | Freeze Up | |
| FXFR | File Transfer | |
| FY | Fiscal Year | |
| Acronym | Definition <<Back to Top>> | G | Giga |
| GAP | Generic Acquisition and Processing | |
| GB | Gigabyte | |
| GBFM | Global Boreal Forest Mapping Project | |
| GCDIS | Global Change Data and Information System | |
| GCFR | GeoCoded Full Resolution | |
| GCLR | GeoCoded Low Resolution | |
| GCM | General (Global) Circulation Model | |
| GCMD | Global Change Master Directory | |
| GCP | Ground Control Point | |
| GDC | Geo Data Center | |
| GEI | Geocentric Equatorial Inertial, a rectangular coordinate system | |
| GEM | Goddard Earth Model | |
| GEOREF | Geographic Reference System | |
| GEOSS | Global Earth Observation System of Systems | |
| GHA | Greenwich Hour Angle | |
| GHRC | Global Hydrology Resource Center | |
| GHz | Gigahertz | |
| GI | Geophysical Institute | |
| GIBO | GI Business Office | |
| GIF | Graphical Interchange Format | |
| GINA | Geographic Information Network of Alaska | |
| GIS | Geographic Information System | |
| GIStdA | Geo-Informatics and Space Technology Development Agency | |
| GIWG | Ground Segment Implementation Working Group (now Systems Operations Board-SOB) (CSA) | |
| GLAI | Green Leaf Area Index | |
| GLC | Gray Level Co-Occurrence | |
| GLCM | Gray Level Co-Occurrence Matrix | |
| GLDV | Grey Level Difference Vector | |
| GLIMS | Global Land Ice Measurements from Space | |
| GMI | Gray-McCrary Index | |
| GMT | Greenwich Mean Time (Alaska Standard Time plus 9 Hours) | |
| GND | Ground Networks Division | |
| GOCE | Gravity field and steady-state Ocean Circulation Explorer | |
| GOLD | Global On-Line Data Catalog (component of NODS) | |
| GOME | Ground Operators Working Group (now Operations Planning Board-OPB) (CSA) | |
| GPAF | German Processing and Archiving Facility (Oberpfafenhoffen, Germany) | |
| GPIP | Geophysical Processed Image Product | |
| GPS | Global Positioning System | |
| GPS | Geophysical Processing System (JPL name for DPS) | |
| GRASS | Geographical Resource Analysis Support System | |
| GRFM | Global Rainforest Mapping Project | |
| GSA | Geological Soceity Association | |
| GSFC | Goddard Space Flight Center (NASA, Greenbelt, MD) | |
| GSS | Gatineau Satellite Station | |
| GST | Greenwich Sidereal Time | |
| Gtr | Ground Truth Radiometer | |
| GUI | Graphical User Interface | |
| Acronym | Definition <<Back to Top>> | H/W | Hardware |
| HAARP | High-Frequency Active Auroral Research Program | |
| HAC | Hughes Aircraft Corporation | |
| HAIS | Hughes Applied Information System | |
| HC | Host Controller | |
| HDDR | High Density Digital Recorder | |
| HDDT | High Density Digital Tape | |
| HDF | Hierarchical Data Format | |
| HEOC | Hatoyama Earth Observation Center | |
| HF | High Frequency | |
| HFS | Hierarchical File System | |
| HH | Horizontal Transmit, Horizontal Receive Polarization | |
| HIPPI | High Performance Parallel Interface | |
| HIROS | see ALOS | |
| HITC | Hughes Information Technology Company | |
| HITS | Hughes Information Technology Systems | |
| HLS | Hue-Lightness-Saturation Color Model | |
| HPA | High-Power Amplifier | |
| HQ | Headquarters | |
| HRPT | High Resolution Picture Transmission | |
| HSI | Human Systems Integration | |
| HSM | Hierarchical Storage Management | |
| HTML | HyperText Markup Language | |
| HTSC | Hughes Technical Services Company | |
| HTTP | Hypertext Transport Protocol | |
| HV | Horizontal Transmit, Vertical Receive Polarization | |
| Acronym | Definition <<Back to Top>> | I/F | Interface |
| I/O | Input/Output | |
| IAH | Ice Age Histogram | |
| IARC | International Arctic Research Center | |
| IBGE | Instituto Brasileiro de Geografia e Estatística | |
| IC | Integrated Circuit | |
| ICD | Interface Control Document | |
| ICU | Instrument Control Unit | |
| ID | Identification | |
| IDFS | Ice Data Forecasting Service (Batelle) | |
| IDH | Input Data Handler | |
| IDHTS | Instrument Data Handling and Transmission System (ERS-1) | |
| IDP | Image Display Processor | |
| IDR | Incremental Design Review | |
| IEEE | Institute of Electrical and Electronics Engineers | |
| IFOV | Instanteous Field of View | |
| IFT | Inverse Fourier Transform | |
| IGARSS | International Geoscience & Remote Sensing Symposium | |
| IGBP | International Geosphere-Biosphere Programme | |
| IGY | International Geophysical Year | |
| IIAS | Interactive Image Analysis System | |
| IICWG | International Ice Charting Working Group | |
| ILAS | Improved Limb Atmospheric Spectrometer (ADEOS) | |
| ILAS-II | Improved Limb Atmospheric Spectrometer (ADEOS II) | |
| IMG | Interferometric MOnitor for Greenhouse Gases (ADEOS) | |
| IMOU | International Memorandum of Understanding | |
| IMS | Information Management System | |
| IMS/DADS | Information Management System and Data Archive and Distribution System (NASA) | |
| IMS/PPS | Information Management System/Production Planning Subsystem | |
| InSAR | Interferometric SAR | |
| ION GNSS | Institute of Navigation Global Navigation Satellite System | |
| IP | Internet Protocol | |
| IPOD | Image Processor for Optical Data (JERS-1 Sensors) | |
| IPY | International Polar Year | |
| IRD | Interface Requirement Document | |
| ISAR | Inverse Synthetic Aperture Radar | |
| ISBA | International Space Business Assembly | |
| ISD | Interface Specification Document | |
| ISDN | Integrated Services Digital Network | |
| ISLR | Integrated Side-Lobe Ratio | |
| ISO | International Standards Organization | |
| ISRO | Indian Space Research Organisation | |
| ISRSE | International Symposium on Remote Sensing of Environment | |
| IV&V | Independent Verfication and Validation | |
| IVAS | Image Analysis and Viewing System | |
| IWG | Interface Working Group | |
| Acronym | Definition <<Back to Top>> | JAMMS | JERS Amazon Mulit-season Mapping Study |
| JAROS | Japan Resources Observation System Organization | |
| JAXA | Japan Aerospace Exploration Agency | |
| JERS | Japanese Earth Resources Satellite | |
| JERS-1 | Japanese Earth Resources Satellite-1 | |
| JIC | Joint Ice Center (now NIC) | |
| JL0 | Japan Aerospace Exploration Agency Level 0 | |
| JOI | Joint Oceanographic Institution (Washington, DC) | |
| JPL | Jet Propulsion Laboratory (NASA/Cal Tech, Pasadena, CA) | |
| JRC | Joint Resource Center | |
| JRC | Joint Research Centre (Italy) | |
| Acronym | Definition <<Back to Top>> | K | Kelvin |
| k | Kilo | |
| KLC | Kodiak Launch Complex | |
| KML | Keyhole Markup Language | |
| KSAT | Kongsberg Satellite Services | |
| Acronym | Definition <<Back to Top>> | L0 | Level 0 |
| L0AM | Level-0 Archive Manager/MIgration | |
| L0C | Level-0 Controller | |
| L0PS | Level-0 Processing System | |
| L1 | Level 1 | |
| LAII | Land/Atmosphere/Ice Interaction | |
| LAN | Local Area Network | |
| LANDSAT | Land Satellite | |
| LaRC | Langley Research Center (DAAC) | |
| LAS | Land Analysis System | |
| Laser | Light Amplification by Stimulated Emission of Radiation | |
| LASP | Laboratory for Atmospheric and Space Physics | |
| LBR | Low Bit Rate; L-Band Radiometer | |
| LEO | Low Earth Orbit | |
| LGSOWG | Landsat Ground Station Operators Working Group | |
| LHC | Left-hand circular | |
| LIS | Land Information System | |
| LNA | Low-Noise Amplifier | |
| LO | local oscillator | |
| LOC | Lines of Code | |
| LOP | Long-Term Orbit Program | |
| LOROP | Long Range Oblique Photography | |
| LOS | Loss of Signal | |
| LR | Low Resolution; Laser Retroreflector | |
| LRF | Low Res Film Generator | |
| LRRP | Low-Resolution Raw Product | |
| LVOP | Level-0 Processing Information | |
| LZAMS | L0 Archive Migration System | |
| LZP | Level-0 Processor | |
| Acronym | Definition <<Back to Top>> | MAMM | Modified Antarctic Mapping Mission |
| MAU | Major Administrative Unit | |
| Mb | Megabit | |
| MB | Megabyte | |
| Mbps | Megabits per second | |
| MCDL | Master Controlled Document List | |
| MCF | Mission Control Facility | |
| MCM | McMurdo Ground Station | |
| MCS | Mission Control System | |
| MDA | MacDonald, Dettwiler and Associates Ltd. | |
| MDA | MDA Geospatial Services Incorporated ("Inc." not International) | |
| MDIS | Mission Data Information System | |
| MDR | Mission Data Recorder | |
| MEaSUREs | Making Earth System data records for Use in Research Environments | |
| MERIS | Medium Resolution Imaging Spectrometer Instrument | |
| MESSR | Multispectrum Electronic Self-Scanning Radiometer | |
| METI | Management and Engineering Technologies, Inc. | |
| MFLOPS | Million Floating Point Operations per Second | |
| MGS | McMurdo Ground Station (Antarctica) | |
| MIPS | Million Instructions Per Second | |
| MIT | Massachusetts Institute of Technology | |
| MITI | Minisry for International Trade and Industry (Japan) | |
| MLM | Multi Look Memory | |
| MMCC | Mission Management and Control Centre | |
| MMO | Mission Management Office | |
| MO&DA | Mission Operations and Data Acquisition | |
| MOA | Memorandum of Agreement | |
| MOC | Missions Operations Center | |
| MODIS | Modeling, Data & Information Systems | |
| MOM | Mission Operations Meeting | |
| MOPITT | Measurements of Pollution in the Troposhpere | |
| MOS | Marine Observation Satellite (NASDA) | |
| MOU | Memorandum of Understanding | |
| MPDT | Microwave Polarization Difference Temperature | |
| MPS | Mission Planning Subsystem (part of AOS) | |
| MPT | Mission Planning Timeline Evaluation | |
| MRR | Mission Readiness Review | |
| MSFC | Marshall Space Flight Center | |
| MSGE | Message File Format (NASDA free format) | |
| MSS | MultiSpectral Scanner (Landsat medium-resolution sensor) | |
| MSX | Mid-Course Space Experiment | |
| MSX | Mid-course Space Experiment | |
| MTBF | Mean Time Between Failure | |
| MTBM | Mean Time Between Maintenance | |
| MTBR | Mean Time Between Repair | |
| MtdC | Modified Total Direct Cost | |
| MTF | Modulation Transfer Function | |
| MTPE | Mission to Planet Earth | |
| MWR | Microwave Radiometer | |
| MWS | Microwave Sounder; Mocrowave Wind Scatterometer | |
| Acronym | Definition <<Back to Top>> | NAIS | North American Ice Service |
| NAS | National Academy of Science | |
| NASA | National Aeronautics and Space Administration | |
| NASDA | National Space Development Agency of Japan | |
| NAT | Network Address Translation | |
| NCAR | National Center for Atmospheric Research | |
| NENS | Near Earth Network Services | |
| NESDIS | National Environmental Satellite Data and Information Service (NOAA) | |
| NFS | Network File System | |
| NGA | National Geospatial-Intelligence Agency (formerly NIMA) | |
| NGSPS | Next Generation SAR Processing System | |
| NIC | National Ice Center (New Name for NOAA-Navy JIC) | |
| NIC | Network Information Center | |
| NIC | Network Interface Controller | |
| NIMA | National Image and Mapping Agency (now NGA) | |
| NIS | Network Information System | |
| NISN | NASA Integrated Services Network | |
| NIST | National Institute of Standards and Technology | |
| NNTP | Network News Transfer Protocol | |
| NOA | New Obligation Authority | |
| NOAA | National Oceanic and Atmospheric Administration | |
| NODS | NASA Ocean Data System | |
| NOS | National Ocean Services (NOAA's wet counterpart of NWS) | |
| NRA | NASA Research Announcement | |
| NRCS | Normalized Radar Cross Section | |
| NRDN | Near Range Distance from Nadir | |
| NRL | Naval Research Laboratory | |
| NRR | Near Range Resoultion | |
| NRSL | Northern Remote Sensing Laboratory (collective UAF/GI remote sensors) | |
| NRT | near real time (hyphenate each word when used as an modifier, etc.) | |
| NSA | National Security Agency | |
| NSCAT | NASA Scatterometer (ADEOS) | |
| NSF | National Science Foundation | |
| NSIDC | National Snow and Ice Data Center (DAAC: Boulder, CO) | |
| NSN | NASA Science Network | |
| NSP | Network Support Plan | |
| NSSDC | National Space Science Data Center | |
| NTIA | National Telecommunications and Information Administration | |
| NWS | National Weather Service (NOAA's weather bureau) | |
| Acronym | Definition <<Back to Top>> | OAII | Ocean/Atmospheric/Ice Interactions |
| OBDH | on-board data handler | |
| OBR | on-board recorder | |
| OD | Optical Disk | |
| ODDG | Order Desk Discussion Group | |
| ODH | Output Data Handler | |
| ODS | Optical Data System | |
| ODSys | Order Desk System (CSA) | |
| OIS | Operation Interface Specification | |
| ONR | Office of Naval Research | |
| OPB | Operations Planning Board | |
| OPLAN | Operations Plan | |
| OPS | Operations Departmant | |
| OPS | Optical Sensor (JERS-1) | |
| ORNL | Oak Ridge National Laboratory (DAAC: Oak Ridge,TN) | |
| OS | Operating System | |
| OSO | Office of Space Operation (NASA HQ) | |
| OSSA | Office of Space Science and Applications (NASA HQ) | |
| OSU | Ohio State University | |
| Otd | Office of the Director | |
| Acronym | Definition <<Back to Top>> | PAD | Project Approval Document |
| PAF | Processing and Archive Facility (ERS-1) | |
| PALSAR | Phased Array L-band SAR | |
| PAP | Preliminary Activity Plan | |
| PASS | Prince Albert Satellite Station | |
| PASUB | Preliminary Activity Subplan | |
| PBW | Processor BandWidth | |
| PCA | point of closest approach | |
| PCM | Pulse Coupled Modulation | |
| PCS | Product Control Service | |
| PDR | Preliminary Design Review | |
| PDS | Planetary Data System | |
| PEM | Payload Electronics Module | |
| PFRR | Poker Flat Research Range (UAF) | |
| PGS | Product Genration System | |
| PI | Principal Investigator | |
| PIN | Positive Intrinsic Negative (Semiconductor Diode) | |
| PIP | Project Implementation Plan | |
| PIPOR | Programme of International Polar Oceans Research | |
| PLDS | Pilot Land Data System | |
| PO.DAAC | Physical Oceanography Distributed Active Archive Center | |
| POC | Point of Contact | |
| PoDAG | Polar DAAC Advisory Group (now ASF UWG) | |
| POLDER | Polarization and Directionality of the Earth's Reflectances (ADEOS, ADEOS II) | |
| POLES | Polar Exchange at the Sea Surface (an EOS study) | |
| PolSAR | Polarimetry Synthetic Aperture Radar | |
| POP | Program Operating Plan | |
| PP | Precision Processor | |
| PPO | Production Planning Subsystem Operator | |
| PPPB | Post-Processor HDDT PlayBack | |
| PPS | Post-Processor System | |
| PPS | Production Planning System | |
| PR | Problem Report | |
| PRARE | Precise Range and Range-rate Equipment (ERS-1) | |
| PRF | Pulse Repetition Frequency | |
| PRISM | Panchromatic Remote-Sensing Instruments for Stereo Mapping | |
| PS | Polar Stereographic (map projection) | |
| PSARA | Parallel SARA (switching and Routing Assembly) | |
| PSDN | Packet Switching Data Network | |
| PSI | PacketNet System Interface | |
| PSLR | Peak-to-side lobe ratio | |
| PSWT | Prelaunch Science Working Team | |
| PTP | Programmable Telemetry Processor | |
| PVS | Product Verficiation System | |
| Acronym | Definition <<Back to Top>> | QA | Quality Assurance |
| QC | Quality Control | |
| QL | QuickLook | |
| QMOC | QuikSCAT Mission Operations Center | |
| QPSK | Quadrature Phase-Shift Keying | |
| Acronym | Definition <<Back to Top>> | RA | Research Announcement; Radar Altimeter |
| RADAR | Radio Detection and Ranging | |
| RADARSAT | Canada's RADARSAT Satellite | |
| RAID | Redundant Array of Independent Disk | |
| RAINS | RADAR Imaging Natural Systems | |
| RAM | Random Access Memory | |
| RAMP | RADARSAT Antarctic Mapping Project | |
| RAMS | RADARSAT Antarctic Mapping System | |
| RAR | real aperture radar | |
| RARR | Range and Range-Rate (tracking data for orbit determination) | |
| RCS | Radar Cross Section | |
| RDBMS | Relational Database Management System | |
| RDS | Raw Data Scanner | |
| REASoN CAN | Research, Education, and Applications Solutions Network Cooperative Agreement Notice | |
| REQA | NASDA Quarterly Assessment File | |
| REQM | NASDA Request File for Tape Dumps | |
| REQQ | NASDA Quarterly Request File | |
| RESTEC | Remote Sensing Technology Center of Japan | |
| RF | radio frequency | |
| RFI | radio-frequency interference | |
| RGPS | RADARSAT Geophysical Processor System | |
| RGS | Receiving Ground Station | |
| RIS | Retroreflector In Space (ADEOS) | |
| RISAT | Radar Imaging Satellite | |
| RM | Rocky Moutain (HP proprietary Basic Language) | |
| RMM | Range Migration Memory | |
| RMP | Risk Management Plan | |
| RSAT | RADARSAT | |
| RSD | Raw Signal Data | |
| RSI | RADARSAT International | |
| RSS | Recording and Switching Subsystem | |
| RSSC | Remote Sensing Support Center | |
| RT | real time | |
| Acronym | Definition <<Back to Top>> | S/C | Spacecraft |
| S/N | signal-to-noise ratio | |
| S/W | Software | |
| SA | Scientific Atlanta (manufacturer of ASF's Antennas) also known as ViaSat | |
| SA | System Analyst | |
| SAFS | Standard Autonomous File Server | |
| SAIC | Science Applications International Inc. | |
| SAMPEX | Solar Anomalous and Magnetospheric Particle Explorer | |
| SAN | Storage Area Network | |
| SAR | Interferometric SAR | |
| SAR | Synthetic Aperture Radar | |
| SARA | Switching and Routing Assembly | |
| SARCOM | SAR Communications System (NOAA-JIC ASF Augmentation) | |
| SCA | Spacecraft Anomaly | |
| SCC | Station Control Computer | |
| SCCS | Source Code Control System | |
| SCF | Science Computing Facility | |
| SCP | Science Computing Program | |
| SCR | System Change Request | |
| SCSI | Small Computer Serial Interface | |
| SD-1 | Sony Data Tape | |
| SDCS | SAR Data Catalog System | |
| SDIPS | Satellite Digital Imaging Processing System | |
| SEASAT | Sea Satellite | |
| SeaWiFS | Sea-Viewing Wide-Angle Field-of-View Sensor | |
| SEDAC | Socioeconomic Data & Applications Center (DAAC) | |
| SEEDS | Strategic Evolution of ESE Data Systems | |
| SES | Sun Earth System (NASA's) | |
| SGI | Silicon Graphics, Incorporated | |
| SHEBA | Surface Heat Budget of the Arctic Ocean (U.Wash.) | |
| SIPS | Science Investigator-led Processing System | |
| SIR | Spaceborne Imaging Radar | |
| SIR-C | Shuttle Imaging Radar-C | |
| SIRD | System Instrumentation Requirements Document | |
| SIRTF | Space Infrared Telescope Facility | |
| SIS | Software Interface Specification | |
| SIZ | Seasonal Ice Zone | |
| SLAR | side-looking airborne radar | |
| SLC | single-look complex | |
| SMAP | Soil Moisture Active and Passive | |
| SMTP | Simple Mail Transer Protocol | |
| SNA | ScanSAR Narrow A | |
| SNB | ScanSAR Narrow B | |
| SNR | signal-to-noise ratio | |
| SOM | Software Operations Manual | |
| SPAN | Space Physics Analysis Network | |
| SPLC | Saturation Power Loss Compensation | |
| SPOT | Satellite Pour l'Observation de la Terre (France) | |
| SPS | SAR Processor Ssytem | |
| SRTM | Shuttle Radar Topographic Mission | |
| SSCM | Spacecraft Scheduling and Command Management | |
| SSH | Secure Shell | |
| SSMI | Special Sensor Microwave Imager | |
| SSP | ScanSAR Processor | |
| SSPA | Solid State Power Amplifier | |
| STA | Science and Technology Agency (Japan) | |
| STAPLE | Structured Applications Program Language Executive (Aptec 1/0 Processor) | |
| Std | Standard Beam | |
| STEP | Science Technology and Education Program (ASF Science Division) | |
| STF | Space Task Group | |
| STF | Sky Telemetry Format | |
| STG | Space Task Group | |
| STGS | Satellite Tracking Ground Station | |
| STK | StorageTek | |
| STV | State Vector | |
| SWA | ScanSAR Wide A | |
| SWB | ScanSAR Wide B | |
| SWIR | ShortWave Infrared Radiometer | |
| SWOHR | Statewide Office of Human Resource | |
| SWT | Science Working Team | |
| Acronym | Definition <<Back to Top>> | TACC | Tracking and Control Center |
| TACS | Tracking and Control Station | |
| TAE | Transportable Applications Executive | |
| TAM | Technical Analysis Memorandum | |
| TAP | Topgraphy Analysis Project | |
| TAR | Tape Archive | |
| TCE | Time Correlation Elements | |
| TCP/IP | Transmission Control Protocol/Internet Protocol | |
| tdAS | Tracking & Data Acquisition System | |
| tdF | Tracking Data Formatter | |
| tdRS | Tracking and Data Relay Satellite | |
| tdRSS | Tracking and Data Relay Satellite System (tdRSS Ground Station) | |
| TEMP | Test and Evaluation Master Plan | |
| TIM | Technical Interface Meeting | |
| TIP | Task Implementation Plan | |
| TLE | two-line elements | |
| TM | Thematic Mapper (Landsat High-Resolution Sensor) | |
| TOMS | Total Ozone Mapping Spectrometer | |
| TSO | Technical Services Office | |
| TSPD | Technology and Space Program Development | |
| TT&C | Tracking, Telemetry and Command Facility | |
| TTC | Telemetry, Telecommand and Control | |
| TtdB | Trak Team Database | |
| TTL | Transistor to Transistor Logic | |
| TWT | Traveling Wave Tube | |
| Acronym | Definition <<Back to Top>> | U-PASS | User--Proposal Application Submission System (use an "em dash" not 2 hyphens) |
| U/C | Up Converter | |
| UAF | University of Alaska Fairbanks | |
| UAP | User Acquisition Plan | |
| UAV | Unmanned Aerial Vehicle | |
| UAV | Unmanned Aerial Vehicle | |
| UBA | Unibus Adapter | |
| UCAR | University Corporation for Atmospheric Research | |
| UFDROC | U.S. and Foreign Data Reception Operations Center | |
| UJC | Universal Job Controller | |
| UK | United Kingdom | |
| UKPAF | UK Processing and ARchiving Facility (Farnborough UK) | |
| UQPSK | Unbalanced Quadrature Phase-Shift Keying | |
| URL | Universal Resource Locator | |
| URSA | User Remote-Sensing Access | |
| URSI | Union Radio-Scientifique International (International Union of Radio Science) | |
| USDA | United States Department of Agriculture | |
| USGR | United States Government Research | |
| USGRC | United States Government Research Consortium | |
| USGS | United States Geological Survey | |
| USO | User Services Office | |
| USWG | User Services Working Group | |
| UT | Universal Time | |
| UTC | Coordinated Universal Time | |
| UTM | Universal Transverse Mercator (map projection) | |
| UWG | User Working Group | |
| Acronym | Definition <<Back to Top>> | V0 IMS | Version 0 Information Management System |
| VCDU | Virtual Channel Data Units | |
| VCID | Virtual Channel IDentification | |
| VH | Vertical Transmit, Horizontal Receive Polarization | |
| ViaSAT | Company name: Satellite Ground Systems | |
| VMS | Virtual Memory System (VAX operating system) | |
| VNIR | Visible and Near Infrared Radiometer (MOS-1) | |
| VV | Vertical Transmit, Vertical Receive Polarization | |
| Acronym | Definition <<Back to Top>> | WB1 | Wide Beam Mode 1 |
| WFF | Wallops Flight Facility | |
| WHOI | Woods Hole Oceanographic Institution (Woods Hole, MA) | |
| WInSAR | Western North America InSAR | |
| WIST | Warehouse Inventory Search Tool | |
| WNS | Wind Scatterometer | |
| WOCE | World Ocean Circulation Experiment | |
| WORM | Write Once-Read Many (optical disk) | |
| WOS | Weekly Operations Schedule | |
| WOSUB | Weekly Operations Subplan | |
| WOTIS | Wallops Orbital Tracking Information System | |
| WOTS | Wallops Orbital Tracking Station | |
| WSC | White Sands Complex | |
| WWW | World Wide Web | |
| Acronym | Definition <<Back to Top>> | XTI | Cross-Track Interferometry |