EOS Acronyms

AATSR Advanced Along-Track Scanning Radiometer

ACR Active Cavity Radiometer

ACRIM Active Cavity Radiometer Irradiance Monitor

ADC Affiliated Data Center

ADEOS Advanced Earth Observing System

AES Atmospheric Environment Service

AGU American Geophysical Union

AIAA American Institute of Aeronautics and Astronautics

AIRS Atmospheric Infrared Sounder

ALEXIS Array of Low Energy X-Ray Imaging Sensors

ALT Altimeter

AMS American Meteorological Society

AMSR Advanced Microwave Scanning Radiometer

AMSU Advanced Microwave Sounding Unit

AMTS Advanced Moisture and Temperature Sounder

AO Announcement of Opportunity

APT Automatic Picture Transmission

ARA Atmospheric Radiation Analysis

ARGOS Argos Data Collection and Position Location System

ARMSAT Atmospheric Radiation Measurement Satellite

ASAR Advanced Synthetic Aperture Radar

ASCAT Advanced Scatterometer

ASF Alaska SAR Facility

ASTER Advanced Spaceborne Thermal Emission and Reflection Radiometer

ATES Alcatel Espace Systems

ATLAS Atmospheric Laboratory for Applications and Science

ATMOS Atmospheric Trace Molecules Observed by Spectroscopy

AVHRR Advanced Very High-Resolution Radiometer

AVIRIS Airborne Visible Infrared Imaging Spectrometer

AVNIR Advanced Visible and Near-Infrared Radiometer

BRDF Bidirectional Reflectance Distribution Function

CCD Charged Coupled Device

CCRS Canada Centre for Remote Sensing

CDDIS Crustal Dynamics Data Information System

CDMS Cryospheric Data Management System

CEES Committee on Earth and Environmental Sciences

CEOS Committee on Earth Observations Satellites

CERES Clouds and Earth's Radiant Energy System

CFC Chlorofluorocarbon

CIESIN Consortium for International Earth Science Information Network

CLAES Cryogenic Limb Array Etalon Spectrometer

CNES Centre National d'Etudes Spatiales

CNRS Centre National de la Recherche Scientifique

COARE Coupled Ocean-Atmosphere Response Experiment

CODMAC Committee on Data Management, Archiving, and Computing

COSPAR Congress for Space Research

CPP Cloud Photopolarimeter

CRYSYS Cryospheric System

CSA Canadian Space Agency

CSIRO Commonwealth Scientific and Industrial Research Organization

CU University of Colorado

CZCS Coastal Zone Color Scanner

DAAC Distributed Active Archive Center

DADS Data Archive and Distribution System

DAS Direct Access System

DB Direct Broadcast

DCS Data Collection System

DDL Direct Downlink

DMSP Defense Meteorological Satellite Program

DOC Department of Commerce

DoD Department of Defense

DOE Department of Energy

DOI Department of the Interior

DORIS Doppler Orbitography and Radiopositioning Integrated by Satellite

DOS Department of State

DP Direct Playback

DRSS Data Relay Satellite System

DSB Direct Sounding Broadcast

EC European Community

ECS EOSDIS Core System

EDC EROS Data Center

EDOS EOS Data and Operations System

EER External Engineering Review

ELV Expendable Launch Vehicle

ENSO El Nino Southern Oscillation

ENVISAT Environmental Satellite

EOC EOS Operatians Center

EO-ICWG Earth Observations International Coordination Working Group

EOS Earth Observing System

EOS-AERO EOS Aerosol Mission

EOS-ALT EOS Altimetry Mission

EOS-AM EOS Morning Crossing (Ascending) Mission

EOSAT Earth Observation Satellite Company

EOS-CHEM EOS Chemistry Mission

EOSDIS EOS Data and Information System

EOSP Earth Observing Scanning Polarimeter

EOS-PM EOS Afternoon Crossing (Descending) Mission

EP Earth Probe

EPA Environmental Protection Agency

EPOP European Polar-Orbiting Platform

ERBE Earth Radiation Budget Experiment

ERBS Earth Radiation Budget Satellite

EROS Earth Resources Observation System

ERS European Remote-Sensing Satellite

ERTS-1 Earth Resources Technology Satellite-1

ESA European Space Agency

ESDIS Earth Science Data and Information System

ESSC Earth System Sciences Committee

EUMETSAT European Organisation for the Exploitation of Meteorological Satellites

FCCSET Federal Coordinating Council for Science, Engineering, and Technology

FIFE First ISLSCP Field Experiment

FIRE First ISCCP Regional Experiment

FORTE Fast On-Orbit Recording of Transient Events

FOV Field-of-View

FST Field Support Terminal

FY Fiscal Year

GAC Global Area Coverage

GCC Global Change Category

GCDIS Global Change Data and Information System

GEO Geostationary Earth Observation

Geosat Navy Geodetit Satellite

GEWEX Global Energy and Water Cycle Experiment

GGI GPS Geoscience Instrument

GISS Goddard Institute for Space Studies

GLAS Geoscience Laser Altimeter System

GLI Global Imager

GLIS Global Land Information System

GLL Galileo

GLRS Geoscience Laser Ranging System

GMS Geostationary Meteorological Satellite

GOES Geostationary Operational Environmental Satellite

GOMI Global Ozone Monitoring Instrument

GOMOS Global Ozone Monitoring by Occultation of Stars

GOMR Global Ozone Monitoring Radiometer

GPS Global Positioning System

GSFC Goddard Space Flight Center

HDF Hierarchical Data Format

HI Human Interactions

HIRDLS High-Resolution Dynamics Limb Sounder

HIRIS High-Resolution Imaging Spectrometer

HIRS High-Resolution Infrared Sounder

HIS High-Resolution Interferometer Sounder

HRPT High-Resolution Picture Transmission

IASI Infrared Atmospheric Sounding Interferometer

IAU International Astronomical Union

ICC Instrument Control Center

ICF Instrument Control Facility

ICSU International Council of Scientific Unions

IEEE Institute for Electronics and Electrical Engineering

IELV Intermediate Expendable Launch Vehicle

IEOS International Earth Observing System

IFOV Instantaneous Field-of-View

IFREMER Institut Francais de Recherche pour l'Exploration de la Mer

IGBP International Geosphere-Biosphere Program

ILAS Improved Limb Atmospheric Spectrometer

IMG Interferometric Monitor for Greenhouse Gases

IMS Information Management System

IOC Intergovernmental Oceanographic Commission

IPCC Intergovernmental Panel on Climate Change

IPOC International Partner Operations Center

IR Infrared

IRTS Infrared Temperature Sounder

ISAMS Improved Stratospheric and Mesospheric Sounder

ISCCP International Satellite Cloud Climotology Project

ISLSCP International Satellite Land Surface Climatology Project

IST Instrument Support Terminal

ITIR Intermediate Thermal Infrared Radiometer

IWG Investigator Working Group

IWGDMGC Interagency Working Group on Data Management for Global Change

JEOS Japanese Earth Observing System

JERS Japan's Earth Resourtes Satellite

JGOFS Joint Global Ocean Flux Study

JMA Japan Meteorological Agency

JPL Jet Propulsion Laboratory

JPOP Japanese Polar-Orbiting Platform

LAC Local Area Coverage

LAGEOS Laser Geodynamics Satellite

Landsat Land Remote-Sensing Satellite

LaRC Langley Research Center

LERTS Laboratoire d'Etudes et de Recherches en Teledetedion Spatiale

Lidar Light Detection ond Ranging

LIDQA Landsat Image Data Quality and Analysis

LIMS Limb Infrared Monitor of the Stratosphere

LIS Lightning Imaging Sensor

LITE Lidar In-Space Technology Experiment

LMD Laboratoire de Meteorologie Dynamique

LR Laser Retroreflector

LRPT Low-Resolution Picture Transmission

MCP Meteorological Communications Package

MELV Medium Expendable Launch Vehicle

MERIS Medium-Resolution Imaging Spectrometer

MESSR Multispectrum Electronic Self-Scanning Radiometer

METOP Meteorological Operational Satellite

MHS Microwave Humidity Sounder

MIMR Multifrequency Imaging Microwave Radiometer

MIPAS Michelson Interferometer for Passive Atmospheric Sounding

MISR Multi-Angle Imaging Spectro Radiometer

MIT Massachusetts Institute of Technology

MITI Ministry of International Trade and Industry

MLS Microwave Limb Sounder

MODIS Moderate-Resolution Imaging Spectroradiometer

MODIS-N Moderate-Resolution Imaging Spedrometer-Nadir

MOP Meteosat Operational Programme

MOPITT Measurements of Pollution in the Troposphere

MOS Marine Observation Satellite

MOU Memorandum of Understanding

MSFC Marshall Space Flight Center

MSR Microwave Scanning Radiometer

MSS Multispectral Scanner

MSU Microwave Sounding Unit

MTPE Mission to Planet Earth

MTS Microwave Temperature Sounder

MU Microwave Unit

NAS National Academy of Sciences

NASA National Aeronautics and Space Administration

NASDA National Space Development Agency

NBIS Northern Biosphere Information System

NCAR National Center for Atmospheric Research

NCDS NASA Climate Data System

NERC National Environmental Research Centre

NESDIS National Environmental Satellite, Data, ond Information Service

NMC National Meteorological Center

NOAA National Oceanic and Atmospheric Administration

NODS NASA Ocean Data System

NRA NASA Research Announcement

NRC National Research Council

NREN National Research and Education Network

NSC National Security Council

NSCAT NASA Scatterometer

NSF National Science Foundation

NSIDC National Snow and Ice Data Center

NSN NASA Space Network

NSpC National Space Council

NSPD National Space Policy Directive

NWP Numerical Weather Prediction

OCTS Ocean Color and Temperature Scanner

ODB Orbit Determination Beacon

ODC Other Data Center

OLS Optical Line Scanner

OMB Office of Management and Budget

ORNL Oak Ridge National Laboratory

OSC Orbital Sciences Corporation

OSTP Office of Science and Technology Policy

PGS Product Generation System

PL Principal Investigator

PL Public Law

PLDS Pilot Land Data System

PMR Pressure-Modulated Radiometer

POEM Polar-Orbit Earth Observation Mission

POES Polar-Orbiting Operational Environmental Satellite

POLDER Polarization and Directionality of Earth's Reflectances

POLES Polar Exchange at the Sea Surface

PPR Photopolarimeter Radiometer

PR Precipitation Radar

PRAREE Precise Range and Range Rate Equipment--Extended

PU Processing Unit

QC Quality Control

RA Radar Altimeter

Radarsat Radar Satellite

RF Radio Frequency

RIS Retroreflector In Space

RPM Revolutions Per Minute

S&R Search and Rescue

SAFIRE Spectroscopy of the Atmosphere using Far Infrared Emission

SAGE Stratospheric Aerosol and Gas Experiment

SAMS Stratospheric and Mesospheric Sounder

SAR Synthetic Aperture Radar

SBUV Solar Backscatter Ultraviolet

SCARAB Scanner for the Radiation Budget

SCF Science Computing Facility

SCIAMACHY Scanning Imaging Absorption Spectrometer for Atmospheric Cartography

Seasat Sea Satellite

SeaWiFS Sea-Viewing Wide Field Sensor

SEDAC Socio-Economic Data and Applications Center

SELV Small Expendable Launch Vehicle

SEM Space Environment Monitor

S-GCOS Space-Based Global Change Observation System

SI Solar Influences

SIR-C Shuttle Imaging Radar-C

SLR Satellite Laser Ranging

SMC System Management Center

SMMR Scanning Multispectral Microwave Radiometer

SNR Signal-to-Noise Ratio

SOLSTICE Solar Stellar Irradiance Comparison Experiment

SPOT Systeme pour l'Observation de la Terre

SSBUV Shuttle Solar Backscatter Ultraviolet

SSM/I Special Sensor Microwave/Imager

SRL Shuttle Research Laboratory

SSALT Solid-State Altimeter

SSEC Space Science and Engineering Center

SSB Space Studies Board

SSU Stratospheric Sounding Unit

STA Science and Technology Agency

STIKSCAT Stick Scatterometer

SWG Science Working Group

SWIR Short Wavelength Infrared

TBD To Be Determined

TDRSS Tracking and Data Relay Satellite System

TES Tropospheric Emission Spectrometer

TGD Thermal Infrared

TIROS Television Infrared Observing Satellite

TM Thematic Mapper

TMI TRMM Micowave Imager

TMR TOPEX Microwave Radiometer

TOGA Tropital Ocean Global Atmosphere

TOMS Total Ozone Mapping Spectrometer

TOPEX Otean Topography Experiment

TOVS TIROS Operational Vertical Sounder

TRMM Tropical Rainfall Measuring Mission

UAF University of Alaska-Fairbanks

UARP Upper Atmosphere Research Program

UARS Upper Atmosphere Research Satellite

UAV Unmanned Aerospace Vehicle

UHF Ultra High Frequency

U.K. United Kingdom

U.S. United States

USDA U.S. Department of Agriculture

USGCRP U.S. Global Change Research Program

USGS U.S. Geological Survey

USO Ultra-Stable Oscillator

UV Ultraviolet

VIRS Visible Infrared Scanner

VIRSR Visible Infrared Scanning Radiometer

VIS Visible

VHF Very High Frequency

VNIR Visible and Near -Infrared

VTIR Visible and Thermal Infrared Radiometer

WCRP World Climate Research Program

WFF Wallops Flight Facility

WHOI Woods Hole Oceanographic Institution

WMO World Meteorological Organization

WOCE World Ocean Circulation Experiment

WSMC Western Space and Missile Center

X-SAR X-Band Synthetic Aperture Radar