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Acronym Definition

AASAAirborne Atmospheric Science Office
ABIApplication Binary Interfaces
ABLEArctic Boundary Layer Experiment
ACAAzimuth Control Assembly
ACCLAIMAdvanced Carbon and Climate Mission Concept
ACEAerosol Characterization Experiment
ACEAerosol/Cloud/Ecosystems Mission
ACMAssociation of Computing Machinery
ACRActive Cavity Radiometer
ACRFAveraged Cloud Radiation Model
ACRIMActive Cavity Radiometer Irradiance Monitor
ACSAttitude Control System
ADCAnalog to Digital Converter
ADEOSAdvanced Earth Observing System
ADFAtmospheric Data Fusion
ADRIEXAerosol Direct Radiative Impact Experiment
ADMAngular Distribution Model
ADPAutomated Data Processing
ADSArchive and Distribution Segment
AECARM Experiment Center
AESAirborne Emission Spectrometer
AEGISAerosol Global Interactions Satellite
AFWEXARM-FIRE Water Vapor Experiment
AGCMAtmospheric General Circulation Model(s)
AGUAmerican Geophysical Union
AIAAAmerican Institute of Aeronautics and Astronautics
AirMISRAirborne Multi-angle Imaging SpectroRadiometer
AIRSAtmospheric Infrared Sounder
AIRS IIAlliance Icing Research Study II
AITAdvanced Intelligent Tape
AMAPSAerosol Measurement and Processing System
AMASSArchival Management Storage Software
AMIArchive Modernization through Intergration
AMIPAtmosphere Model Inter-comparison Project
AMMAAfrican Monsoon Multidisciplinary Analyses
AMSAmerican Meteorological Society
AMSR-EAdvanced Microwave Scanning Radiometer - EOS
AMSUAdvanced Microwave Sounding Unit
ANGEArchive Next GEneration
ANSIAmerican National Standards Institute
AODAerosol Optical Depth
AOSAcquisition Of Signal
AOTAerosol Optical Thickness
APCAmerican Power Conversion
APDAerosol Profile Data
APIApplication Programming Interface
APGSAutomatic Product Generation System
APIDApplication Identifier
APSAerosol Polarimetry Sensor
AQIAir Quality Index
ARBAerosol Research Branch - 48" Lidar
ARCAmes Research Center
ARCSSArtic System Science
ARESEARM Enhanced Shortwave Experiment
ARMAtmospheric Radiation Measurements
ARRAssessment Response Report
ASAPAdvance Satellite Aviation-Weather Products
ASCATAdvanced Scatterometer (ESA)
ASCENDSActive Sensing of CO2 Emissions over
Nights, Days, and Seasons
ASCIIAmerican Standard Code for Information Interchange
ASDCAtmospheric Sciences Data Center
ASIC3Achieving Satellite Instrument Calibration
for Climate Change (ASIC3) Workshop
ASOSAutomated Surface Observing Sites
ASRAerosol Scattering Ratio
ASRCAtmospheric Sciences Research Center
ASTERAdvanced Spaceborne Thermal Emission and
Reflection Radiometer
ASTEXAtlantic Stratocumulus Transition Experiment
ASTRAtmospheric Structures
ATAlong Track
ATBDAlgorithm Theoretical Basis Document
ATMSAdvanced Technology Microwave Sounder
ATOSTAtlantic-THORpex Observing System Test
ATReCAtlantic THORpex Regional Campaign
AtSCAtmospheric Sciences Competency
AUTHAuthentication Service, TCP/UDP port 113
AVGMonthly Regional Radiative Fluxes and Clouds
AVHRRAdvanced Very High Resolution Radiometer
AVSAVS X image File
AWRPAviation Weather Research Program
AZAAzimuth Angle
BAMSBulletin of the American Meteorological Society
BCEBefore Current Era
BCUBench Check-out Unit
BDRFBiDirectional Reflectance Functions
BDSBiDirectional Scan
BDSDBiDirectional Scan - Diagnostic
BDSFBiDirectional Scan - Fixed Pattern
BDSGBiDirectional Scan - Gimbal Error
BDSIBiDirectional Scan - Interncal Calibration
BDSMBiDirectional Scan - Memory Dump
BDSPBiDirectional Scan - Processor Error
BDSSBiDirectional Scan - Solar Calibration
BIE+Joint Bi-level Image experts Group File
interchange format
BIOSBasic Input/Output System
BMP+Microsoft Windows bitmap image File
BMP24+Microsoft Windows 24-bit bitmap image File
BOABottom of Atmosphere
BOLBeginning of Life
BOMBeginning of Mission
BQCRPInstrument Production ASCII QC Report
BRDFBidirectional Reflectance Distribution Function
BRIEBest Regional Integral Estimate
BSABiaxial Scan Assembly
BSRNBaseline Surface Radiation Network
BTBrightness Temperature
BTDBrightness Temperature Difference
BUTBus Utilization Table
C3SCommand, Communication, and Control Segment
CACClimate Analysis Center
CADCERES Archival Data
CADMCERES Angular Distribution Model
CADUChannel Access Data Unit (CCSDS)
CAFC(Canadian) Cloud-Aerosol Feedbacks &
Climate (Network)
CALIOPCloud-Aerosol Lidar with Orthagonal Polarization
CALIPSOCloud-Aerosol Lidar and Infrared Pathfinder
Satellite Observations
CAMCommand Authorization Meeting (FOT)
CAMEXConvection and Moisture Experiment
CAPESCombined Active and Passive Environmental Sounder
CAT3-5Category 3, 4, or 5 (cabling)
CAVECERES ARM Validation Experiment
CBHCloud Base Height
CCConfiguration Code
CCBConfiguration Control Board
CCCCount Conversion Coefficients
CCCmaCanadian Centre for Climate Modelling and Analyses
CCDCharge-Coupled Device
CCDASCarbon Data Assimilation Systems
CCNCloud Condensation Nuclei
CCRConfiguration Change Request
CCSDSConsultative Committee for Space Data Systems
CCSPClimate Change Science Program
CDCompact Disk
CDBChemistry and Dynamics Branch
CDFCommon Data Format
C&DHControl and Data Handling
CDLCloud Detection Lidar
CDRCircular Depolarization Ratio
CDRClimate Data Record
CDRLContract Data Requirements List
CECILC Extended Command Interface Language
CEOSCommittee on Earth Observing Satellites
CEPEXCentral Equatorial Pacific Experiment
CERESClouds and the Earth's Radiant Energy System
CERESlibCERES (software) Library
CERT/CCCComputer Emergency Response Team/
Coordination Center (see US-CERT)
CFCASCanadian Foundation for Climate
and Atmospheric Sciences
CFDCloud Flux Product
CGMComputer Graphics Metafile
CGCMCoupled (ocean-atmosphere) General
Circulation Model
CGICommon Gateway Interface
CIComputer Information
CIDCloud Imager Data
CIFEXClouds Indirect Effects Experiment
CIMSSCooperative Institute for Meterological
Satellite Studies
CINConvective Inhibition
CIOChief Information Officer
CIPCurrent Icing Potential
CIRACooperative Institute for Research in the Atmosphere
CLAESCryogenic Limb Array Etalon Spectrometer
CLAMSChesapeake Lighthouse and Aircraft
Measurements for Satellites
CLARREOClimate Absolute Radiance and
Refractivity Observatory
CLASSComprehensive Large Array-data Stewardship System
CLAVRCloud Advanced Very High Resolution Radiometer
CLCWCommand Link Control Word (CCSDS)
CLSConstrained Least Squares
CLTUCommand Link Transmission Unit (CCSDS)
CMCloud Mask
CMConfiguration Management
CMAQCommunity Multiscale Air Quality
CMDLClimate Monitoring and Diagnostics Laboratory
CMISConical-scanning Microwave Imager/Sounder
CMMICapability Maturity Model Integrated
CMOSComplimentary Metal Oxide Semiconductor
CMYKRaw cyan, magenta, yellow, and black bytes
CNCondensation Nucleus
CNESCentre National d'Etudes Spatiales (France)
COARTCoupled Ocean Atmosphere Radiative Transfer
CODINEComputing in Distributed Network Envrionments
COPRSCloud Optical Property Retrieval System
COSPARCommittee on Space Research
COTCloud Optical Thickness
COTRContracting Officers Technical Representative
COTSCommercial Off The Shelf
COVECERES Ocean Validation Experiment
CPRCloud Profiling Radar
CPUCentral Processing Unit
CRCorrelation Radiometer
CRFCloud Radiative Forcing
CRHClear Reflectance History
CRHFCloud Radiative Heat Forcing
CrISCross-track Infrared Sounder
CRMCloud Resolving Model
CRSClouds and Radiative Swath
CRSBClouds and Radiative Swath, Binary
CRSVBClouds and Radiative Swath, Validation Binary
CRYSTALCirrus Regional Study of Tropical Anvils
and Cirrus Layers
CSOChief Security Official
CSOCConsolidated Space Operations Contract
CSSCascading Sytle Sheet
CTBLCloud-Topped Boundary Layer
CTCUCentral Telemetry Control Unit (CCSDS)
CTIUCommand and Telemetry Interface Unit
CTMChemical Transport Models
CUTCoordinated Universal Time
CVCDUCoded Virtual Channel Data Unit (CCSDS)
CVPCloud Validation Product
CVSConcurrent Versions System
CWCable Wrap
CWVColumnar Water Vapor
CZCSCoastal Zone Color Scanner
DAADesignated Approval Authority
DAACDistributed Active Archive Center
DACDigital to Analog Converter
DAOData Assimilation Office
DAPData Acquisition microProcessor
DARPADefense Advanced Research Projects Agency
DASData Assimilation System
DBIDataBase Interface (module)
DCAData Acquisition Converter assembly
DCCDeep Convective Clouds
DCFDirect Climate Forcing
DCNDocument Change Notice
DCRDouble Corrected Radiances
DCX+ZSoft IBM PC multi-page Paintbrush File
DDBDaily Database (ERBE)
DDFData Distribution Facility
DDIDownwelling Diffuse Irradiance
DEMDigital Elevation Model
DESDynlDeformation, Ecosystem Structure and Dynamics of Ice
DFDData Flow Diagram
DFRCDryden Flight Research Center
DHCPDynamic Host Configuration Protocol
DIDirect Integration
DIALDifferential Absorption Lidar
DIBMicrosoft Windows bitmap image File
DICOMMedical image File
DLFDirect Longwave Flux
DLTDigital Linear Tape
dLWDelta Longwave (UnFiltered Radiances)
DMData Management
DM4Daily, Monthly, and S-4 (ERBE processor)
DMADefense Mapping Agency
DMADirect Memory Access
DMSData Management System
DMSPDefense Meteorological Satellite Program
DMSSDistributed Mass Storage System
DMTData Management Team
DNSDomain Name Server
DNSIDirect-Normal Solar Irradiance
DODDepartment of Defense
DOEDepartment of Energy
DPCData Products Catalog
DPOData Products Online (ASDC)
DQSData Quality Summary
DREDirect Radiative Effect
DRLDocument Release List
DRTDaytime Retrieval Technique
DSCDeep Space Calibration
DSCDirected Scattering Coefficients
DSRTDaytime Snow Retrieval Technique
DTDDocument Type Definitions
DXData Explorer
EADMERBE-Like Albedo Directional Model
EBAFEnergy Balanced and Filled
EEQUATEEuropean Aqua Thermodynamic Experiment
EBBREnergy Balance Bowen Ratio
EBCDICExtended Binary Coded Decimal Interchange Format
EBnetEOSDIS Backbone Network
ECAElevation Control Assembly
ECDLExternal Cavity Diode Laser
ECHOEOS-DIS Clearing HOuse
ECIEarth-Centered Interial
ECLIPSExperimental Cloud Lidar Pilot Study
ECNEquipment Control Number
ECMWFEuropean Centre for Medium Range
Weather Forecasting
ECREarth-Centered Rotating
EDDBERBE-Like Daily Database Product
EDGEOS Data Gateway
EDOSEOS Data Operations System
EDREnvironmental Data Records
EGSEuropean Geophysical Society
EGTEOSDIS Ground Terminal
EMOSEOS Mission Operations System
EMTSAERBE-Like Monthly Time/Space Averaging
ENSOEl Nino-Southern Oscillation
ENVISATEnvironmental Satellite
EOCEOS Operations Center
EOFEmpirical Orthogonal Function
EOLEnd of Life
EOPSERBE Operational Processing System
EOSEarth Observing System
EOSDISEarth Observing System Data and
Information System
EOS AMEOS Morning Crossing Mission (Renamed Terra)
EOS PMEOS Afternoon Crossing Mission
EPAEnvironmental Protection Agency
EPDFEncapsulated Portable Document Format
EPGSEOS Polar Ground Station
EPHANCEphemeris and Ancillary
EPIAdobe Encapsulated PostScript Interchange Format
EPICEastern Pacific Investigation of Climate
EPSAdobe Encapsulated PostScript File
EPS2Adobe Level II Encapsulated PostScript File
EPSFAdobe Encapsulated PostScript File
EPSIAdobe Encapsulated PostScript Interchange Format
EPTAdobe Encapsulated PostScript Interchange Format
with TIFF preview
EP-TOMSEarth Probe - Total Ozone Mapping Spectrometer
ERBEarth Radiation Budget
ERB CARSEarth Radiation Budget
Climate Analysis Research System
ERBEEarth Radiation Budget Experiment
ERBElibERBE (software) Library
ERBSEarth Radiation Budget Satellite
ERBSEarth Radiation Budget Sensor
ERFEmergency Response Facility (Help Desk)
EROSEarth Resources Observation System
ERPSEOS Real-time Processing System
ERS-1European Research Satellite-1
ES4ERBE-Like S4 Monthly Science
ES8ERBE-Like S8 Instanteous Science
ES9ERBE-Like S9 Monthly Regional Averages
ESAEuropean Space Agency
ESAEarth Sensor Assembly
ESDISEarth Science Data and Information System
ESEEarth Science Enterprise
ESMFEarth System Modeling Framework
ESRBEuropean Surface Radiation Budget
ESRIEnvironmental Systems Research Institute
ESRINEuropean Space Research Institute
ESSPEarth System Science Pathfinder
ESTECEuropean Space Research and Technology Centre
ETLNOAA Environmental Technology Laboratory
EUGEuropean Union of Geoscience
EUMETEuropean Meteorological Services
EuMetSatEuropean Meteorological Satellite (Organization)
FACEFlorida Area Cirrus Experiment
FAPSFixed Azimuth Plane Scan
FAQFrequently Asked Questions
FASTOZFast response Ozone Instrument
FCCFractional Cloud Cover
FDDFlight Dynamics Division (GSFC)
FDDIFiber Distributed Data Interface
FDFFlight Dynamics Facility (GSFC)
FFTFast Fourier Transform
FIFFile Information Form
FIGTransFig Image Format
FIPForecast Icing Potential
FIREFirst ISCCP Regional Experiment
FIRSCFar Infrared Sensor for Cirrus
FIRSTFar-Infrared Spectroscopy of the Troposphere
FITSFlexible Image Transport System
FLASHfluxFast Longwave and SHortwave Fluxes
FLRTFlexible, Longwave, Radiative Transfer
fLWFiltered Longwave (Radiances)
FMFlight Model
FNMOCFleet Numerical Meteorological
Oceanographic Center
FOTFlight Operations Team
FOVLField-of-View Limiter
FPXFlashPix Format
FSWHourly Single Satellite Fluxes and Clouds
(Flux and clouds regional SWath)
fSWFiltered Shortwave (Radiances)
FTIRFourier Transform Infrared Radiometer
fTOTFiltered Total (Radiances)
FTEFull Time Equivalent
FTMFlight Test Model
FTPFile Transfer Protocol
FTSFourier Transform Spectrometer
fWNFiltered Window (Radiances)
FZLFreezing Level
GACGlobal Area Coverage
GACMGlobal Atmospheric Composition Mission
GAMSGas and Aerosol Measurement Sensor
GAPGridded Analysis Product
GBADGround Based Attitude Determination
GCCGNU Compiler Collection
GCIPGEWEX Continental-Phase International Project
GCMGeneral Circulation/Climate Model
GPCPGlobal Precipitation Climatology Project
GCOSGlobal Climate Observation System
GCSSGlobal Cloud System Study
GDASGoddard Data Assimulation System
GDBGNU Project Debugger
GEBAGlobal Energy Balance Archive
GEISAGestion et Etude des Informations
Spectroscopiques Atmospheriques
GEOGeostationary (Narrowband Radiances)
GEO-CAPEGEO Coastal and Air Pollution Events Mission
GEORCGEO Regression Coefficients
GEOSGeodetic Earth Observation Satellite
GEOSSGlobal Earth Observation System of Systems (EPA)
GeoTRACEGEO Tropsheric Air Chemistry
GERBGeostationary Earth Radiation Budget
GEWEXGlobal Energy and Water Cycle Experiment
GFDLGeophysical Fluid Dynamics Laboratory
GFEGovernment Furnished Equipment
GGEOGridded Geostationary Narrowband Radiances
GHGGreenHouse Gases
GHRCGlobal Hydroloby Research Center
GIFGraphics Interchange Format; 8-bit color
GIF87+Graphics Interchange Format; 8-bit color
(version 87a)
GIFTSGeosynchronous Imaging Fourier
Transform Spectrometer
Gig-EGigabit Ethernet
GIISGeneral Instrument Interface Specification
GIRDGeneral Interface Requirements Document
GISSGoddard Institute for Space Studies
GISTGERB Instrument Science Team
GLASGeoscience Laser Altimeter System
GLDASGlobal Land Data Assimilation System
GLISGlobal Land Information System
GLORY(Earth Climate and Atmosperic Research Satellite)
GMAOGlobal Modeling and Assimilation Office
GMIGlobal Modeling Initiative
GMSGeostationary Meteorological Satellite
GMTGreenwich Mean Time
GNCCGuidance Navigation and Control Center
GOESGeostationary Operational Environmental Satellite
GOMEGlobal Ozone Monitoring Experiment
GPSGlobal Positioning System
GPSOSGPS Occultation Sensor
GPSROGPS Radio Occultation
GrADSGrid Analysis and Display System
GRCGlenn Research Center
GRAMSGround Radiation Measurement system
GRIBGridded Binary (format)
GSEGround Support Equipment
GSFCGoddard Space Flight Center
GSICSGlobal Spacebased Inter-Calibration System
GSWP2Globel Soil Wetness Project
GTEGlobal Tropospheric Experiment
GUIGraphical User Interface
GWTSAGamma-Weighed Two-Stream Approximation
HALOEHalogen Occultation Experiment
HBTMHybrid Bispectral Threshold Method
HDFHierarchical Data Format
HDWLHybrid Doppler Wind Lidar
HESHyperspectral Environmental Sensor
HIRSHigh Resolution Infared Radiation Scanner
HISHigh-Resolution Interferometer Spectrometer
HITRANHigh-resolution TRANsmission
HKHouseKeeping (engineering data)
HLHigh L atitude
HONERHemispherical Optimized New Radiometer
HPGLHP-GL plotter language
HRHeating Rate
HRDLHigh-resolution Doppler Lidar
HRPTHigh Resolution Picture Transmission
HSFOVRHemispherical Field Of View Radiometer
HSRLHigh Spectral Resolution Lidar
HTMLHypertext Markup Language
HTTPHypertext Transfer Protocol
HySPARHypertSpectral Polarimeter for Aerosol Retrievals
HyspIRIHypertSpectral Infrared Imager
ICAInstrument Control Assembly
ICAIndependent Column Approximation
ICAIndependent Computing Architecture
ICARTTInternational Consortium for Atmospheric Research
on Transport and Transformation
ICDInterface Control Document
ICEIntegrated Cryptographic Engine
ICESatIce Cloud and land Elevation Satellite
ICLIntegrated Cloud Liquid
ICMInternal Calibration Module
ICMPInternet Control Message Protocol
ICSInternal Calibration Subassembly (Module)
ICMPInternet Control Message Protocol
ICPInstrument Control microProcessor
ICRCCMIntercomparison of Radiation Codes in Climate Models
ICSInternal Calibration Source
ICSInstrument Coordinate System
ICSBBInternal Calibration Source - Black Body
IDLInteractive Data Language
IDPSInterface Data Processing Segment
IEEEInstitute of Electrical and Electronics Engineers
IESInstrument Earth Scans
IFAIntensive Flux Array
IFMIntegrated Financial Management
IFOIntensive Field Observation
IFOVInstantaneous Field Of View
IGInspector General
IGAPInternational Global Aerosol Program
IGARSSInternational Geoscience and Remote Sensing Seminar
IGBPInternational Geosphere Biosphere Programme
IGOSIntegrated Global Observing Strategy
IGRInstanteous Geographic Region
IIRImaging Infrared Radiometer
ILASImproved Limb Atmospheric Sounder
ILRSInternational Laser Ranging Service
ILWIntegrated Liquid Water
IMAInterpolated Daily MODIS Aerosol
IMAPInternet Message Access Protocol
IMETImproved METerological System
IMPACTInteractive Modeling Project for Atmospheric
Chemistry and Transport
IMSInformation Management System
IMSLInternational Mathematics and Statistics Library
INDOEXIndian Ocean Experiment
INSATIndian Satellite
INTEX-NAIntercontinental Chemical Transport Experiment -
North America
IONIDL On the Net
IOPIntensive Observing Period
IOTInstrument Operations Team
IPInternet Protocol
IPCInternational Pyrheliometer Comparison
IPCCIntergovernmental Panel on Climate Change
IPDInformation Processing Division
IPOIntegrated Program Office
IRIncident Response
IRFInstantaneous Radiative Flux
IRISInfrared Interferometer Spectrometer
IRRImaging Infrared Radiometer
IRSInternational Radiation Symposium
IRTInfrared Thermometer
IRUInertial Reference Unit
ISAInstruction Set Architecture
ISCCPInternational Satellite Cloud Climatology Project
ISDNIntegrated Services Digital Network
ISOInternational Standards Organization
ISOIntraseasonal Oscillations
ISSIntegrated Sounding System
ISTInstrument Support Terminal
ITInformation Technology
ITInstrument Team
ITARInternational Traffic in Arms Regulations
ITCZIntertropical Convergence Zone
ITSInformation Technology Security
ITSMInformation Technology Security Manager
ITS-90International Temperature Scale of 1990
IVICSInteractive Visual Image Classification System
IVOSInfrared and Visible Optical Sensors (CEOS)
IVTInstrument Validation Tape
IWCIce Water Content
IWGInstrument Working Group
IWPIce Water Path
IWVIntegrated Water Vapor
JBIG+Joint Bi-level Image experts Group File
interchange Format
JCDLJoint Conference on Digital Libraries
JDJulian Day
JERS-1Japanese Earth Remote-sensing Satellite-1
JMAJapan Meteorological Agency
JPEGJoint Photographic Experts Group JFIF Format
JPLJet Propulsion Laboratory
JPSSJoint Polar Satellite System (NOAA/NASA)
JSCJohnson Space Center
KSCKennedy Space Center
LANLocal Area Network
LAPDLangley Policy Directive
LaRALangley Remote Access
LaRCLangley Research Center
LASELidar Atmospheric Sensing Experiment
LaTISLangley TRMM Information System
LBCLaser Beam Ceilometer
LBLLine By Line
LBLRTMLine-By-Line Radiative Transfer Model
LBTMLayer Bispectral Threshold Method
LCLLifting Condensation Level
LDEFLong Duration Exposure Facility
LDRLinear Depolarization Ratio
LEDLight Emitting Diode
LEOLow Earth Orbit
LIDARLight Detection and Ranging
LISLightning Imaging Senosr
LITELidar In-space Technology Experiment
LMLower Middle
LMDLaboraoire de Meteorologie Dynamique
LMSLangley Management System
LMSLeast Median Squares
LNLiquid Nitrogen
LOCLines of Code
LOSLines of Sight
LOSLoss of Signal
Lowtran 7Low-Resolution Transmittance
(Radiative Transfer Code)
LPLALangley Parameterized Longwave Algorithm
LPSALangley Parameterized Shortwave Algorithm
LRSLow Rate Science
LSTLocal Standard Time
LTELocal Shermodynamic Equilibrium
LUTLook Up Table
LWLongwave (channel)
LWCLiquid Water Content
LWPLiquid Water Path
LWRLongwave Radiation
LZPGLevel Zero Processing Facility
Acronym Definition

MAERIMarine Atmospheric Emitted Radiance Interferometer
MAMMirror Attenuator Mosaic
MAPSMeasurement of Atmospheric Pollution from Satellites
MAPSMesoscale Analysis and Prediction System
MASMODIS Airborne Simulator
MATMaster Archival Tape
MATCHModel of Atmospheric Transport and CHemistry
MBLMarine Boundary Layer
MCMostly Cloudy
MCIDASMan Computer Interactive Data Access System
MCRMicrowave Cloud Radiometer
MCRSMulti-Cloud Retrieval System
MCSTMODIS Characterization Support Team
MCTMODIS Calibration Team
MD5Message Digest Algorithm 5
MDRMinimum Detectable Radiance
MERIS(Envisat) Medium Resolution Imaging Spectrometer
MERRAModern Era Retrospective-analysis for
Research and Applications
METEOSATMeteorological Operational Satellite
MFOVMedium Field-of-View
MFRMuti-Filter Radiometer
MFRSRMuti-Filter Rotating Shadowband Radiometer
MIDASMaterials In Devices As Superconductors
MIF(Frame)Maker Interchange Format
MIFF+Magick Image File Format, MNG
Multiple-image Network Graphics
MIMEMultipurpose Internet Mail Extension
MIMRMultifrequency Imaging Microwave Radiometer
MIPSMillion Instructions Per Second
MIRMillimeter-wave Imaging Radiometer
MISRMulti-angle Imaging SpectroRadiometer
MJOMadden-Julian Oscillation
MLEMaximum Likelihood Estimator
MLIMulti-Layer Insulation
MLSMid-Latitude Summer
MLTIMesosphere and Lower Thermosphere/Ionosphere
MLWMid-Latitude Winter
MMSMission Management Software
MMCRMillimeter Wave Cloud Radar
MMTPMicrowave Temperature Profiler
MOAMeteorological, Ozone, and Aerosols
MOCMission Operations Center
MOD02MODIS-Terra Level 1B Calibrated Radiances Product
MOD03MODIS-Terra Level 1B Geolocation Product
MOD04MODIS-Terra Instantaneous Aerosol Product
MOD06MODIS-Terra Cloud Property Product
MOD08MODIS-Terra Daily Aerosol Product
MOD11MODIS Land and Surface Product
MODISModerate Resolution Imaging Spectrometer
MODMMonochromatic Optical Depth
MODTRANModel Transfer
MONOBi-level bitmap in least-significant-byte first order
MOPITTMeasurements Of Pollution In The Troposphere
MPACEMixed-Phase Arctic Cloud Experiment
MPEGMoving Pictures Expert Group
MPIMessage Passing Interface
MPICHMessage Passing Interface Chameleon
MPLMicro-pulse Lidar
MPLNETMicro-pulse Lidar Network
MRFMedium-Range Forecast
MRTGMulti Router Traffic Grapher
MSRCMarshall Space Flight Center
MSGMeteoSat Second Generation (Program)
MSIMultiSpectral Imaging
MSIRMultiSpectral Infrared Retrieval
MSLMean Sea Level
MSPIMultiangle SpectroPolarimetric Imager
MSMRMultispectral, Multiresolution
MSUMicrowave Sounding Unit
MSXMid-Course Space Experiment
MTFModulation Transfer Function
MTPMicrowave Temperature Profiler
MTSAMonthly Time/Space Averaging
MTSAT-1RMulti-functional Transport Satellite-1 Replacement
MTV+MTV Raytracing Image Format
MVIMicrowave Visible Infrared
MWHMicrowave Humidity
MWRMicrowave Radiometer
MWSRMicrowave Water Substance Radiometer
MYD04MODIS-Aqua Instantaneous Aerosol Product
MYD06MODIS-Aqua Cloud Property Product
MYD08MODIS-Aqua Daily Aerosol Product
NADNetwork Address Drop
NAGNumerical Algorithms Group
NARSTONorth American Research Strategy for
Tropospheric Ozone
NASANational Aeronautics and Space Administration
NASDANational Space Development Agency (Japan)
NASTNPOESS Airborne Sounder Testbed
NASIRCNASA Incident Response Center
NATNetwork Address Translation
NBNarrow Band
NB-BBNarrow Band to Broad Band
NBLNocturnal Boundary Layer
NBTDNegative Brightness Temperature Differences
NCARNational Center for Atmospheric Research
NCDCNational Climatic Data Center
NCDSNASA Climate Data System
NCEPNational Centers for Environmental Predictions
NCSANational Center for Supercomputing Applications
NDNRNormalized Differences of Nadir Reflectivity
NDBCNational Data Buoy Center (NOAA)
NDVINormalized Difference Vegetation Index
NEMSNASA Equipment Management System
NEPNoise Equivalent Power
NESDISNational Environmental Satellite, Data,
and Information Service
NetCDFNetwork Common Data Format
NEWSNASA Energy and Water System
NEXRADNext-generation Radar
NFBBNarrow Field BlackBody
NFOVNarrow Field-of-View
NFSNetwork File System
NGANational Geospatial-Intelligence Agency
NGDCNational Geophysical Data Center
NGSNational Geodetic Survey
NIANational Institute of Aerospace
NICSENPP Instrument Calibration Support Element
NIMANational Imagery and Mapping Agency (now NGA)
NIMFRNormal Incidence Multi-Filter Radiometer
NIPNormal Incidence Pyrheliometer
NIRNear Infrared
NISENear-real time Ice and Snow Extent
NISNNASA Integrated Services Network
NISTNational Institute of Standards and Technology
NMCNational Meteorological Center
NMHSNational Meteorological and Hydrological Services
NNLSNon-Negative Least Squares
NOAANational Oceanic and Atmospheric Administration
NOWNotice of Work
NPDNASA Policy Directive
NPGNASA Procedures and Guidance
NPOESSNational Polar-orbiting Operational
Environmental Satellite System
NPPNPOESS Preparatory Project
NQSNetwork Queuing System
NRBNormalized Relative Backscatter
NRELNational Renewable Energy Laboratory
NRLNaval Research Laboratory
NSNon-Scanner (ERBE)
NSANorth Slope of Alaska
NSFNational Science Foundation
NSIDCNational Snow and Ice Data Center
NSSDCNational Space Science Data Center
NTPNetwork Time Protocol
N3RTNighttime 3-channel Retrieval Technique
NVAPNASA Water Vapor Project
NWPNumerical Weather Prediction
NWSNational Weather Service
OAOperations Agreement
OASISOcean-Atmosphere-SeaIce-Snowpack campaign
OASISOptical Active-passive Remote Sensing Instrument Suite
OCIOOffice of the Chief Information Officer
OCOOrbiting Carbon Observatory
OCROptical Character Reader
ODINOutsourcing the Desktop Initiative
ODSOne Day Sequence
OLROutgoing Longwave Radiation
OMIOzone Monitoring Instrument
OMPSOzone Mapping and Profiler Suite
OOAMOrbiting Ozone and Aerosal Measurement
OPCOptical Particle Counter
OPDOzone Profile Data
OSOperating System
OSSEObserving System Simulation Experiments
OSSEOriented Scintillation Spectrometer Experiment (NRL)
OSUOregon State University
OUMOrganizational Unit Managers (LaRC)
P7Xv's Visual Schnauzer Format
PABSIProfiling Oxygen A-band Spectrometer/visible Integer
Pacor-APacket Processor Automation
PAMPluggable Authentication Module
PANProduct Acceptance Notification
PAOPublic Affairs Officer
PAPSProgrammable Azimuth Plane Scan
PARPhotosynthetically Active Radiation
PARAGONProgressive Aerosol Retrieval and
Assimilation Global Observing Network
PARASOLPolarization and Anistropy of Reflectances for
Atmospheric Sciences coupled with Observations
from a Lidar
PATProcessed Archival Tape
PB5Parallel-grouped Binary Version 5
PBLPlanetary Boundary Layer
PBM+Portable Bitmap Format (black and white)
PCPersonal Computer
PCPartly Cloudy
PCAPower Converter Assembly
PCFProcess Control File
PCIPeripheral Component Interconnect
PCLPage Control Language
PCPPartly Cloudy Pixel
PCXZSoft IBM PC Paintbrush File
PDFPortable Document Format
PDFProbability Distribution Function
PDLPolarization Diversity Lidar
PDRProduct Subscription Request
PDSProduction Data Set
PEATEProduct Evaluation and Analysis Tool Element
PFMPrototype Flight Model (on TRMM)
PGEProduct Generation Executive
PGM+Portable Graymap Format (gray scale)
PGSProduct Generation System
PHPPHP: Hypertext Processor
PIPrincipal Investigator
PICProcess Improvement Committee
PICTApple Macintosh QuickDraw/PICT File
PIRPrecision Infrared Radiometer
PIXAlias/Wavefront RLE Image Format
PKIPublic Key Infrastructure
PLASMAPlasma fractal image
PMLPerfectly Matched Layer
PMOAPost Meteorological, Ozone, and Aerosols
PNGPortable Network Graphics
PNM+Portable anymap
POAMPolar Ozone and Aerosol Experiment
POCCPayload Operations and Control Center
POEMPolar-Orbit Earth Observation Mission
POESPolar-Orbiting Operational Environmental Satellite
POLDERPOLarization and Directionality of the
Earth's Reflectances
POSIXPortable Operating System Interface
for Computer Environments
POWERPrediction of Worldwide Energy Resources
PPAPlane Parallel Approximation
PPM+Portable Pixmap Format (color)
PPSPrincipal Plane Scan
PRPrecipitation Radar
PRES8Preliminary ERBE-like Science Data Product 8
PROMProgrammable Read Only Memory
PRTPlatinum Resistance Thermometers
PS+Adobe PostScript File
PS2+Adobe Level II PostScript File
PSAProduct Specific Attribute
PSAPParticle/Soot Absorption Photometer
PSCPolar Stratospheric Cloud
PSDAdobe Photoshop bitmap File
PSFPoint Spread Function
PSOEProject Science Office Element
PSRFPoint Spread Response Function
PSPPrecision Spectral Pyranometer
PTOSTPacific-THORpex Observing System Test
PTSProblem Tracking System
PVCSPoly Version Control System
PWPrecipitable Water
PWSPresent Weather Sensor
PWVPrecipitable Water Vapor
QAQuality Assessment/Quality Assurance
QCQuality Control
QDSQuick-look Data Set
QMEQuality Measurement Experiment
RABRadiation and Aerosols Branch
RADRadiance Image Format
RADAGASTRadiative Atmospheric Divergence using ARM mobile
facility, GERB data, and AMMA STations
RAIDRedundant Array of Inexpensive Disks
RAMRead Accessible Memory
RAMRAM-Direction (pointing in forward velocity vector)
RAPRotating Azimuth Plane
RAOBRadiosonde Observation
RAOBSRAdar Oxygen Barometric Sensor
RAPRADRapid Radiation Transfer Model
RAPSRotating Azimuth Plane Scan
RAQMSRegional Air Quality Modeling System
RATRaw Archival Tape
RCCRadiometer Calibration and Characterization
RCSRemote Cloud Sensing
RDRRaw Data Record
REARelay Electronics Assembly
ReEffective Radius
RFRadio frequency
RFARadiative Flux Assessment
RFPRequest for Proposal
RFQRequest for Quotation
RGBRaw red, green, and blue bytes
RGBARaw red, green, blue and matte bytes
RHRelative Humidity
RISRaster Image Set
RLRaman Lidar
RLAAlias/Wavefront image File
RLEUtah Run length encoded image File
RMIBRoyal Meteorological Institute of Belgium
RMSRoot Mean Square
ROMRead Only Memory
ROSESResearch Opportunities in Space and Earth Sciences
RPCRemote Procedure Calls
RPMRadiance Pairs Method (ADMs)
RRDRound Robin Database
RRTMRapid Radiative Transfer Model
RSARivest, Shamir and Adleman (cryptographic algorithm)
RSSRotating Shadowband Spectroradiometer
RTRadiative Transfer
RTCSRelative Time Command Sequence
RTCURemote Telemetry Control Unit (CCSDS)
RTMRadiometer Test Model
RTMRadiative Transfer Models
RWPRadar Wind Profiler
S-2ERBE Science Data Product 2
S-4NERBE Science Data Product 4 for Nonscanner Data
S-7ERBE Science Data Product 7
S-8ERBE Science Data Product 8
S4PSimple Scalable Script-based Science Processor
SASystems Administrator
SABERSounding of the Atmosphere using
Broadband Emission Radiometry
SABLScanning Aerosol Backscatter Lidar
SAGEStratospheric Aerosol and Gaseous Experiment
SAHSurface Albedo History (map)
SAMStratospheric Aerosol Measurement
SANStorage Area Network
SARSystem Activity Reporter (UNIX system utility)
SARBSurface and Atmosphere Radiation Budget
SASSolar Aspect Sensor
SBUV-2Solar Backscatter Ultraviolet/Version 2
SCALESSEVIRI&GERB Calibration/Validation
for Large-scale field Experiments
SCAR-ASmoke/Sulfates, Clouds and Radiation - America
SCAR-BSmoke/Sulfates, Clouds and Radiation - Brazil
ScaRabScanner for Radiation Budget
SCCSpectral Correction Coefficients
SCCRSoftware Configuration Change Request
SCCSSoftware Configuration Change System
SCFScience Computing Facility
SCIAMACHYScanning Imaging Absorption Spectrometer
for Atmospheric Chartography
SCIFSpaceCraft InterFace
SCMSingle-Column Model
SCMSpatial Coherence Method
SCNNLSSmoothness Constrained Non-Negative Least Squares
S'COOLStudents' Cloud Observations On-Line
SCSISmall Computer Systems Interface
SCVPRFSoftware Change Verification and Program Release Form
SDScience Directorate (formerly AtSC)
SD3EScience Data Distribution and Depository Element
SDCDSolar Distance Correction and Declination
SDPScience Data Processing
SDPFSensor Data Processing Facility
SDRSensor Data Record
SDSScientific Data Set
SDSScience Data Segment
SeaDASSea-viewing Data Analysis System
SECSystem Engineering Committee
SEOSite Engine Optimization
SERSystems Engineering Report
SESSSpace Environment Sensor Suite
SFCHourly Gridded Single Satellite TOA/Surface
Fluxes and Clouds
SFEScience Formatting Equipment
SGISilicon Graphics Incorporated
SGI+Irix RGB image File
SGPSouthern Great Plains
SHEBASurface Heat Budget in the Arctic
SHTMLHypertext Markup Language with a
client-side image map
SIOScripps Institution of Oceanography
SIPDSilicon PhotoDiode (SWICS)
SIPSScience Investigator Processing System
SIRSolar Infrared
SIROSSolar and infrared observing system
SIRSSolar Infrared Station
SIRTASite Instrumental de Recherche par
Teledetection Atmospheric
SITSet In Testing
SMASolar Monitor Assembly (ERBE)
SMASensor Module Assembly (CERES)
SMAPSoil Moisture Active-Passive mission
SMELSoftware Media Electronic Library
SMMSolar Maximum Mission
SMMRScanning Multichannel Microwave Radiometer
SMOBAStratospheric Monitoring Group Ozone
Blended Analysis
SMSSynchronous Meteorological Satellite
SMTPSimple Mail Transport Protocol
SNMPSimple Network Monitoring Protocol
SNRSignal-to-Noise Ratio
SOCCSatellite Operations and Control Center
SOCRATESSpecial Operations of CERES RAdiative
Transfer Experiment Sites
SOFASurface Only Flux Algorithms
SOHOSolar Heliospheric Observatory
SORCESolar Radiation and Climate Experiment
SORTISolar Radiance Transmittance Interferometer
SPDSSI&T Procedures Document
SPECTRESpectral Radiance Experiment
SPIESociety of Photo-Optical Instrumentation Engineers
SPOTSysteme pour l'observation de la Terra (France)
SPSSolar Presence Sensor
SQLStandard Query Language
SRBSurface Radiation Budget
SRBAVGSurface Radiation Budget Average
SRFSpectral Response Function
SRLScanning Raman Lidar
SSASingle-Scattering Albedo
SSASensor Scan Assembly
SSAIScience System and Application, Incorporated
SSAISingle Satellite Footprint, Aerosol, Intermediate
SSCStennis Space Center
SSDRSubsystem Design Review
SSESurface meteorology and Solar Energy
SSFSingle Scanner CERES Footprint TOA and
Surface Fluxes, Clouds
SSFASingle Scanner Footprint, Aerosol
SSFAISingle Scanner Footprint, Aerosol, Intermediate
SSFBSingle Scanner Footprint, Binary
SSFISingle Scanner Footprint, TOA and Surface Flux,
Clouds Interim
SSFRSolar Spectral Flux Radiometer
SSHSecure Shell
SSI&TScience Software Integration and Test
SSLSecure Socket Layer
SSM/ISpecial Sensor Microwave/Imager
SSPScanning Spectral Polarimeter
SSTSea-surface temperature
STIPStored TIROS Information Processor
STKSatellite Tool Kit
SUCCESSSUbsonic aircraft: Contral and Clouds Effects
Special Study
SUIDSet User IDentification number
SUN+SUN Rasterfile
SURFMAPSurface Map
SURFRADSurface Radiation Budget Network
SVGScalable Vector Graphics
SWShortwave (channel)
SWERASolar and Wind Energy Resource Assessment Project
SWICSShortwave Internal Calibration Source
SWOTSurface Water Ocean Topography
SWRShortwave Radiation
SWRSShortwave Reference Source
SWSShortwave Spectroradiometer
SWVSlant Water Vapor
SYNSynoptic Radiative Fluxes and Clouds
SYNISynoptic Radiative Fluxes and Clouds Intermediate
SZASolar Zenith Angle
TAFTSTropospheric Airborne Fourier Transform Spectrometer
TAMTechnical Analysis Memorandum
TAOTropical Atmosphere Ocean
TARTechnical Analysis Report
TARFOXTropospheric Aerosol Radiative Forcing
Observational Experiment
TBDTo Be Determined
TCP/IPTransmission Control Protocol/Internet Protocol
2DCTwo-dimensional Cloud
TDDRTotal Direct Diffuse Radiometer
TDLASTunable Diode Laser Absorption Spectrometer
TDMATime Division Multiple Access
TDRSSTracking and Data Relay Satellite System
TEATransverse-Excited Atmospheric Pressure
TECThermoelectric Cooler
TEJTropical Easterly Jet
TESTropospheric Emission Spectrometer
TGA+Truevision Targa image File
TGTTDRSS Ground Terminal
THIRTemperature/Humidity Infrared
Radiometer (Nimbus)
THORpexTHe Observing-system Research and
predictability experiment
3D-WINDSThree Dimensional Troposheric Winds
from Space-based Lidar
THWAPSTemperature, Humidity, Winds, and Pressure System
TIFFTagged Image File Format
TIFF24+Tagged Image File Format, 24-bit
TILETile image with a texture
TIMEDThermosphere, Ionosphere, Mesosphere,
Energetics, and Dynamics
TIPATilted independent Pixel Approximation
TIROSTelevision Infrared Observing Satellite
TISATime Interpolation and Spatial Averaging
TKETurbulent Kinetic Energy
TLTotal (channel)
TLSTotal, Longwave, and Shortwave
TLSTransport Layer Security
TMThematic Mapper
TMFTime Mark and Frequency
TMITRMM Microwave Imager
TMITelemetry, Merge, and Inversion (ERBE processor)
TODLTime Ordered Down Link
TOGATropical Ocean Global Atmosphere
TOMSTotal Ozone Mapping Spectrometer
TONSTDRS Onboard Navigation System
TOPEXOcean TOPography EXperiment
TOSTTHORPEX Observing System Test
TOTTotal (channel)
TOVSTIROS Operational Vertical Sounder
TPTemperature Profiling
TRACE-PTransport and Chemical Evolution over the Pacific
TRMMTropical Rainfall Measuring Mission
TSATime-Space Averaging
TSBRTotal broadband radiometer
TSDISTRMM Science Data Information System
TSITime-Space Interpolation
TSITotal Solar Irradiance
TSIBTime-Space Interpolation, Binary
TSISTotal and Spectral Solar Irradiance Sensor
TSSTDRSS Service Session
TTFTrueType font File
TTSSTropospheric Trace Species Sensing
TUVRTotal Ultraviolet Radiometer
TWPTropical Western Pacific
TWP-ICETropical Warm Pool-International Cloud Experiment
UARSUpper Atmosphere Research Satellite
UAVUnmanned Aerospace Vehicle
UDPUser Datagram Protocol
ufLWUnFiltered Longwave (Radiances)
ufSWUnFiltered Shortwave (Radiances)
ufTOTUnFiltered Total (Radiances)
ufWNUnFiltered Window (Radiances)
UFSUnix File System
UIDUnique IDentifer
UIDUser IDentification Number
UIIDUnique Instrument Interface Document
UILX-Motif UIL table
UIRUpwelling Infrared Radiometer
UKMOUnited Kingdom Meterological Office
ULDBUltra Long Duration Balloon
UMUpper Middle
UNEPUnited Nations Enviornmental Programme
UNITEUser Navigation Information and Tool Evolution
UPSUninterruptible Power Supply
URLUniform Resource Locator
US-CERTUnited States Computer Emergency Readiness Team
USGCRPUnited States Global Change Research Program
USGSU.S. Geologic Survey
USRUpwelling Solar Radiation
UTUniversal Time
UTCUniversal Time Code
UTLSUpper Troposphere/Lower Stratosphere
UVAUltraviolet A
UVBUltraviolet B
UV DIALUltraviolet Differential Absorption Lidar
UVSRUltraviolet Spectral Radiometer
UYVYInterleaved YUV
V-3NERBE Validation Data Product 3 for Nonscanner Datay
VADVelocity-Azimuth Display
VAOTVIIRS Aerosol Optical Depth
VASVISSR Atmospheric Sounder
VCVirtual Channel (CCSDS)
VCDUVirtual Channel Data Unit (CCSDS)
VCIDVirtual Channel Identifier (CCSDS)
VDAVariational Data Assimilation
VIFF+Khoros Visualization image File
VIIRSVisible/Infrared Imager/Radiometer Suite
VIRSVisible and Infrared Scanner (TRMM)
VIMDVIIRS Imagery Moderate Day/Night
VIPSVideo ice Particle Sampler
VIRSVisible Infrared Scanner
VISSRVisible Infrared Spin-Scan Radiometer
VISSTVisible Infrared Solar-infrared Split-Window Technique
VISTVisible and Infrared Split-window Technique
VOCARVariation of Coastal Atmospheric Refractivity
VPDVapor pressure deficit
VPNVirtual Private Network
VRVerification Report
VZAViewing Zenith Angle
WCRPWorld Climate Research Program
WFBBWide Field BlackBody
WFOVWide Field-of-View
WGWorking Group
WMOWorld Meteorological Organization
WNWindow (channel)
WPWarm Pool
WOTISWallops Orbital Tracking and Information System
WOTSWallops Orbital Tracking Station
WRCWorld Radiation Center
WRRWorld Radiometric Reference
WSGWorld Standard Group
WSIWhole Sky Imager
WVWater Vapor
WVPWater Vapor Profiling
WVRWater Vapor Radiometer
WWWWorld Wide Web
W2KWindows 2000
W3CWorld Wide Web Consortium
XBMX11 Bitmap File
XHTMLExtensible HyperText Markup Language
XLVExtended Logical Volume
XMLExtensible Markup Language
XOVWMExtended Ocean Vector Winds Mission (color)
XPMX Windows system Pixmap File (color)
XSLExtensible Style Language
XSLTExtensible Style Language Transformation
XWDX Windows system window dump File (color)
Y2KYear 2000
YUV+CCIR 601 4:1:1 File
ZAVGMonthly Zonal and Global Average Radiative
Fluxes and Clouds
ZWDZenith Wet Delay

To add an acronym and its definition, email Phil Hess (
Last Updated: 12/17/2015

  Image: NASA Logo NASA Official: Dr. Norman Loeb
Page Curator: Edward Kizer
Page Last Modified: 04/03/2020 09:33:29 EST
Site Last Modified: 04/03/2020 09:33:29 EST