AASA:Airborne Atmospheric Science Office
ABI:Application Binary Interfaces
ABLE:Arctic Boundary Layer Experiment
ACA:Azimuth Control Assembly
ACCLAIM:Advanced Carbon and Climate Mission Concept
ACE:Aerosol Characterization Experiment
ACE:Aerosol/Cloud/Ecosystems Mission
ACM:Association of Computing Machinery
ACR:Active Cavity Radiometer
ACRF:Averaged Cloud Radiation Model
ACRIM:Active Cavity Radiometer Irradiance Monitor
ACS:Attitude Control System
ADC:Analog to Digital Converter
ADEOS:Advanced Earth Observing System
ADF:Atmospheric Data Fusion
ADRIEX:Aerosol Direct Radiative Impact Experiment
ADM:Angular Distribution Model
ADP:Automated Data Processing
ADS:Archive and Distribution Segment
AEC:ARM Experiment Center
AES:Airborne Emission Spectrometer
AEGIS:Aerosol Global Interactions Satellite
AFWEX:ARM-FIRE Water Vapor Experiment
AGCM:Atmospheric General Circulation Model(s)
AGU:American Geophysical Union
AIAA:American Institute of Aeronautics and Astronautics
AirMISR:Airborne Multi-angle Imaging SpectroRadiometer
AIRS:Atmospheric Infrared Sounder
AIRS II:Alliance Icing Research Study II
AIT:Advanced Intelligent Tape
ALT:Altimeter
AMAPS:Aerosol Measurement and Processing System
AMASS:Archival Management Storage Software
AMI:Archive Modernization through Intergration
AMIP:Atmosphere Model Inter-comparison Project
AMMA:African Monsoon Multidisciplinary Analyses
AMS:American Meteorological Society
AMSR-E:Advanced Microwave Scanning Radiometer – EOS
AMSU:Advanced Microwave Sounding Unit
ANGE:Archive Next GEneration
ANSI:American National Standards Institute
AOD:Aerosol Optical Depth
AOS:Acquisition Of Signal
AOT:Aerosol Optical Thickness
APC:American Power Conversion
APD:Aerosol Profile Data
API:Application Programming Interface
APGS:Automatic Product Generation System
APID:Application Identifier
APS:Aerosol Polarimetry Sensor
AQI:Air Quality Index
ARB:Aerosol Research Branch – 48″ Lidar
ARC:Ames Research Center
ARCSS:Artic System Science
ARESE:ARM Enhanced Shortwave Experiment
ARM:Atmospheric Radiation Measurements
ARR:Assessment Response Report
ASAP:Advance Satellite Aviation-Weather Products
ASCAT:Advanced Scatterometer (ESA)
ASCENDS:Active Sensing of CO2 Emissions over Nights, Days, and Seasons
ASCII:American Standard Code for Information Interchange
ASDC:Atmospheric Sciences Data Center
ASIC3:Achieving Satellite Instrument Calibration for Climate Change (ASIC3) Workshop
ASOS:Automated Surface Observing Sites
ASR:Aerosol Scattering Ratio
ASRC:Atmospheric Sciences Research Center
ASTER:Advanced Spaceborne Thermal Emission and Reflection Radiometer
ASTEX:Atlantic Stratocumulus Transition Experiment
ASTR:Atmospheric Structures
AT:Along Track
ATBD:Algorithm Theoretical Basis Document
ATMS:Advanced Technology Microwave Sounder
ATOST:Atlantic-THORpex Observing System Test
ATReC:Atlantic THORpex Regional Campaign
AtSC:Atmospheric Sciences Competency
AUTH:Authentication Service, TCP/UDP port 113
AVG:Monthly Regional Radiative Fluxes and Clouds
AVHRR:Advanced Very High Resolution Radiometer
AVS:AVS X image File
AWRP:Aviation Weather Research Program
AZA:Azimuth Angle
BAMS:Bulletin of the American Meteorological Society
BB:Broadband
BB:Blackbody
BCE:Before Current Era
BCU:Bench Check-out Unit
BDRF:BiDirectional Reflectance Functions
BDS:BiDirectional Scan
BDSD:BiDirectional Scan – Diagnostic
BDSF:BiDirectional Scan – Fixed Pattern
BDSG:BiDirectional Scan – Gimbal Error
BDSI:BiDirectional Scan – Interncal Calibration
BDSM:BiDirectional Scan – Memory Dump
BDSP:BiDirectional Scan – Processor Error
BDSS:BiDirectional Scan – Solar Calibration
BIE+:Joint Bi-level Image experts Group File interchange format
BIOS:Basic Input/Output System
BMP+:Microsoft Windows bitmap image File
BMP24+:Microsoft Windows 24-bit bitmap image File
BOA:Bottom of Atmosphere
BOL:Beginning of Life
BOM:Beginning of Mission
BQCRP:Instrument Production ASCII QC Report
BRDF:Bidirectional Reflectance Distribution Function
BRIE:Best Regional Integral Estimate
BSA:Biaxial Scan Assembly
BSRN:Baseline Surface Radiation Network
BT:Brightness Temperature
BTD:Brightness Temperature Difference
BUT:Bus Utilization Table
C3S:Command, Communication, and Control Segment
CAC:Climate Analysis Center
CAD:CERES Archival Data
CADM:CERES Angular Distribution Model
CADU:Channel Access Data Unit (CCSDS)
CAFC:(Canadian) Cloud-Aerosol Feedbacks & Climate (Network)
CAGEX:CERES/ARM/GEWEX
CALIOP:Cloud-Aerosol Lidar with Orthagonal Polarization
CALIPSO:Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations
CAM:Command Authorization Meeting (FOT)
CAMEX:Convection and Moisture Experiment
CAPES:Combined Active and Passive Environmental Sounder
CAT3-5:Category 3, 4, or 5 (cabling)
CAVE:CERES ARM Validation Experiment
CBH:Cloud Base Height
CC:Configuration Code
CCB:Configuration Control Board
CCC:Count Conversion Coefficients
CCCM:CALIPSO, CloudSat, CERES, and MODIS
CCCma:Canadian Centre for Climate Modelling and Analyses
CCD:Charge-Coupled Device
CCDAS:Carbon Data Assimilation Systems
CCN:Cloud Condensation Nuclei
CCR:Configuration Change Request
CCSDS:Consultative Committee for Space Data Systems
CCSP:Climate Change Science Program
CD:Compact Disk
CDB:Chemistry and Dynamics Branch
CDF:Common Data Format
C&DH:Control and Data Handling
CDL:Cloud Detection Lidar
CDR:Circular Depolarization Ratio
CDR:Climate Data Record
CDRL:Contract Data Requirements List
CECIL:C Extended Command Interface Language
CEOS:Committee on Earth Observing Satellites
CEPEX:Central Equatorial Pacific Experiment
CER:CERES
CERES:Clouds and the Earth’s Radiant Energy System
CERESlib:CERES (software) Library
CERT/CC:CComputer Emergency Response Team/ Coordination Center (see US-CERT)
CFC:ChloroFluroCarbon
CFCAS:Canadian Foundation for Climate and Atmospheric Sciences
CFD:Cloud Flux Product
CGM:Computer Graphics Metafile
CGCM:Coupled (ocean-atmosphere) General Circulation Model
CGI:Common Gateway Interface
CI:Computer Information
CID:Cloud Imager Data
CIFEX:Clouds Indirect Effects Experiment
CIMSS:Cooperative Institute for Meterological Satellite Studies
CIN:Convective Inhibition
CIO:Chief Information Officer
CIP:Current Icing Potential
CIRA:Cooperative Institute for Research in the Atmosphere
CLAES:Cryogenic Limb Array Etalon Spectrometer
CLAMS:Chesapeake Lighthouse and Aircraft Measurements for Satellites
CLARREO:Climate Absolute Radiance and Refractivity Observatory
CLASS:Comprehensive Large Array-data Stewardship System
CLAVR:Cloud Advanced Very High Resolution Radiometer
CLCW:Command Link Control Word (CCSDS)
CLS:Constrained Least Squares
CLTU:Command Link Transmission Unit (CCSDS)
CM:Cloud Mask
CM:Configuration Management
CMAQ:Community Multiscale Air Quality
CMDL:Climate Monitoring and Diagnostics Laboratory
CMIS:Conical-scanning Microwave Imager/Sounder
CMMI:Capability Maturity Model Integrated
CMOS:Complimentary Metal Oxide Semiconductor
CMYK:Raw cyan, magenta, yellow, and black bytes
CN:Condensation Nucleus
CNES:Centre National d’Etudes Spatiales (France)
COART:Coupled Ocean Atmosphere Radiative Transfer
CODINE:Computing in Distributed Network Envrionments
COPRS:Cloud Optical Property Retrieval System
COSPAR:Committee on Space Research
COT:Cloud Optical Thickness
COTR:Contracting Officers Technical Representative
COTS:Commercial Off The Shelf
COVE:CERES Ocean Validation Experiment
CPR:Cloud Profiling Radar
CPU:Central Processing Unit
CR:Correlation Radiometer
CRF:Cloud Radiative Forcing
CRH:Clear Reflectance History
CRHF:Cloud Radiative Heat Forcing
CrIS:Cross-track Infrared Sounder
CRM:Cloud Resolving Model
CRS:Clouds and Radiative Swath
CRSB:Clouds and Radiative Swath, Binary
CRSVB:Clouds and Radiative Swath, Validation Binary
CRYSTAL:Cirrus Regional Study of Tropical Anvils and Cirrus Layers
CSO:Chief Security Official
CSOC:Consolidated Space Operations Contract
CSS:Cascading Sytle Sheet
CTBL:Cloud-Topped Boundary Layer
CTCU:Central Telemetry Control Unit (CCSDS)
CTIU:Command and Telemetry Interface Unit
CTM:Chemical Transport Models
CUT:Coordinated Universal Time
CVCDU:Coded Virtual Channel Data Unit (CCSDS)
CVP:Cloud Validation Product
CVS:Concurrent Versions System
CW:Cable Wrap
CWV:Columnar Water Vapor
CZCS:Coastal Zone Color Scanner
DAA:Designated Approval Authority
DAAC:Distributed Active Archive Center
DAC:Digital to Analog Converter
DAO:Data Assimilation Office
DAP:Data Acquisition microProcessor
DARPA:Defense Advanced Research Projects Agency
DAS:Data Assimilation System
DB:DataBase
DBI:DataBase Interface (module)
DCA:Data Acquisition Converter assembly
DCC:Deep Convective Clouds
DCF:Direct Climate Forcing
DCN:Document Change Notice
DCR:Double Corrected Radiances
DCX+:ZSoft IBM PC multi-page Paintbrush File
DDB:Daily Database (ERBE)
DDF:Data Distribution Facility
DDI:Downwelling Diffuse Irradiance
DEM:Digital Elevation Model
DESDynl:Deformation, Ecosystem Structure and Dynamics of Ice
DFD:Data Flow Diagram
DFRC:Dryden Flight Research Center
DHCP:Dynamic Host Configuration Protocol
DI:Direct Integration
DIAL:Differential Absorption Lidar
DIB:Microsoft Windows bitmap image File
DICOM:Medical image File
DLF:Direct Longwave Flux
DLT:Digital Linear Tape
dLW:Delta Longwave (UnFiltered Radiances)
DM:Data Management
DM4:Daily, Monthly, and S-4 (ERBE processor)
DMA:Defense Mapping Agency
DMA:Direct Memory Access
DMS:Data Management System
DMSP:Defense Meteorological Satellite Program
DMSS:Distributed Mass Storage System
DMT:Data Management Team
DNS:Domain Name Server
DNSI:Direct-Normal Solar Irradiance
DOD:Department of Defense
DOE:Department of Energy
DPC:Data Products Catalog
DPO:Data Products Online (ASDC)
DQS:Data Quality Summary
DRE:Direct Radiative Effect
DRL:Document Release List
DRT:Daytime Retrieval Technique
DSC:Deep Space Calibration
DSC:Directed Scattering Coefficients
DSRT:Daytime Snow Retrieval Technique
DTD:Document Type Definitions
DX:Data Explorer
EADM:ERBE-Like Albedo Directional Model
EBAF:Energy Balanced and Filled
EEQUATE:European Aqua Thermodynamic Experiment
EBBR:Energy Balance Bowen Ratio
EBCDIC:Extended Binary Coded Decimal Interchange Format
EBnet:EOSDIS Backbone Network
ECA:Elevation Control Assembly
ECDL:External Cavity Diode Laser
ECHO:EOS-DIS Clearing HOuse
ECI:Earth-Centered Interial
ECLIPS:Experimental Cloud Lidar Pilot Study
ECN:Equipment Control Number
ECMWF:European Centre for Medium Range Weather Forecasting
ECR:Earth-Centered Rotating
ECS:EOSDIS Core System
EDDB:ERBE-Like Daily Database Product
EDG:EOS Data Gateway
EDOS:EOS Data Operations System
EDR:Environmental Data Records
EGS:European Geophysical Society
EGT:EOSDIS Ground Terminal
EMOS:EOS Mission Operations System
EMTSA:ERBE-Like Monthly Time/Space Averaging
ENSO:El Nino-Southern Oscillation
ENVISAT:Environmental Satellite
EOC:EOS Operations Center
EOF:Empirical Orthogonal Function
EOL:End of Life
EOPS:ERBE Operational Processing System
EOS:Earth Observing System
EOSDIS:Earth Observing System Data and Information System
EOS AM:EOS Morning Crossing Mission (Renamed Terra)
EOS PM:EOS Afternoon Crossing Mission
EPA:Environmental Protection Agency
EPDF:Encapsulated Portable Document Format
EPGS:EOS Polar Ground Station
EPHANC:Ephemeris and Ancillary
EPI:Adobe Encapsulated PostScript Interchange Format
EPIC:Eastern Pacific Investigation of Climate
EPS:EUMETSAT Polar System
EPS:Adobe Encapsulated PostScript File
EPS2:Adobe Level II Encapsulated PostScript File
EPSF:Adobe Encapsulated PostScript File
EPSI:Adobe Encapsulated PostScript Interchange Format
EPT:Adobe Encapsulated PostScript Interchange Format with TIFF preview
EP-TOMS:Earth Probe – Total Ozone Mapping Spectrometer
ERB:Earth Radiation Budget
ERB CARS:Earth Radiation Budget Climate Analysis Research System
ERBE:Earth Radiation Budget Experiment
ERBElib:ERBE (software) Library
ERBS:Earth Radiation Budget Satellite
ERBS:Earth Radiation Budget Sensor
ERF:Emergency Response Facility (Help Desk)
EROS:Earth Resources Observation System
ERPS:EOS Real-time Processing System
ERS-1:European Research Satellite-1
ES4:ERBE-Like S4 Monthly Science
ES8:ERBE-Like S8 Instanteous Science
ES9:ERBE-Like S9 Monthly Regional Averages
ESA:European Space Agency
ESA:Earth Sensor Assembly
ESDIS:Earth Science Data and Information System
ESE:Earth Science Enterprise
ESMF:Earth System Modeling Framework
ESRB:European Surface Radiation Budget
ESRI:Environmental Systems Research Institute
ESRIN:European Space Research Institute
ESSP:Earth System Science Pathfinder
ESTEC:European Space Research and Technology Centre
ETL:NOAA Environmental Technology Laboratory
EUG:European Union of Geoscience
EUMET:European Meteorological Services
EuMetSat:European Meteorological Satellite (Organization)
FACE:Florida Area Cirrus Experiment
FAPS:Fixed Azimuth Plane Scan
FAQ:Frequently Asked Questions
FASTOZ:Fast response Ozone Instrument
FCC:Fractional Cloud Cover
FDD:Flight Dynamics Division (GSFC)
FDDI:Fiber Distributed Data Interface
FDF:Flight Dynamics Facility (GSFC)
FFT:Fast Fourier Transform
FIF:File Information Form
FIG:TransFig Image Format
FIP:Forecast Icing Potential
FIRE:First ISCCP Regional Experiment
FIRSC:Far Infrared Sensor for Cirrus
FIRST:Far-Infrared Spectroscopy of the Troposphere
FITS:Flexible Image Transport System
FLASHflux:Fast Longwave and SHortwave Fluxes
FLRT:Flexible, Longwave, Radiative Transfer
fLW:Filtered Longwave (Radiances)
FM:Flight Model
FNMOC:Fleet Numerical Meteorological Oceanographic Center
FOT:Flight Operations Team
FOV:Field-of-View
FOVL:Field-of-View Limiter
FPX:FlashPix Format
FQC:Convolution Subsystem Quality Control
FSW:Hourly Single Satellite Fluxes and Clouds (Flux and clouds regional SWath)
fSW:Filtered Shortwave (Radiances)
FTIR:Fourier Transform Infrared Radiometer
fTOT:Filtered Total (Radiances)
FTE:Full Time Equivalent
FTM:Flight Test Model
FTP:File Transfer Protocol
FTS:Fourier Transform Spectrometer
fWN:Filtered Window (Radiances)
FZL:Freezing Level
GAC:Global Area Coverage
GACM:Global Atmospheric Composition Mission
GAMS:Gas and Aerosol Measurement Sensor
GAP:Gridded Analysis Product
GB:Gigabyte
GBAD:Ground Based Attitude Determination
GCC:GNU Compiler Collection
GCIP:GEWEX Continental-Phase International Project
GCM:General Circulation/Climate Model
GPCP:Global Precipitation Climatology Project
GCOS:Global Climate Observation System
GCSS:Global Cloud System Study
GDAS:Goddard Data Assimulation System
GDB:GNU Project Debugger
GEBA:Global Energy Balance Archive
GEISA:Gestion et Etude des Informations Spectroscopiques Atmospheriques
GEO:Geostationary (Narrowband Radiances)
GEO-CAPE:GEO Coastal and Air Pollution Events Mission
GEORC:GEO Regression Coefficients
GEOS:Geodetic Earth Observation Satellite
GEOSS:Global Earth Observation System of Systems (EPA)
GeoTRACE:GEO Tropsheric Air Chemistry
GERB:Geostationary Earth Radiation Budget
GEWEX:Global Energy and Water Cycle Experiment
GFDL:Geophysical Fluid Dynamics Laboratory
GFE:Government Furnished Equipment
GGEO:Gridded Geostationary Narrowband Radiances
GHG:GreenHouse Gases
GHRC:Global Hydroloby Research Center
GIF:Graphics Interchange Format; 8-bit color
GIF87+:Graphics Interchange Format; 8-bit color (version 87a)
GIFTS:Geosynchronous Imaging Fourier Transform Spectrometer
Gig-E:Gigabit Ethernet
GIIS:General Instrument Interface Specification
GIRD:General Interface Requirements Document
GISS:Goddard Institute for Space Studies
GIST:GERB Instrument Science Team
GLAS:Geoscience Laser Altimeter System
GLDAS:Global Land Data Assimilation System
GLIS:Global Land Information System
GLORY:(Earth Climate and Atmosperic Research Satellite)
GMAO:Global Modeling and Assimilation Office
GMI:Global Modeling Initiative
GMS:Geostationary Meteorological Satellite
GMT:Greenwich Mean Time
GNCC:Guidance Navigation and Control Center
GOES:Geostationary Operational Environmental Satellite
GOME:Global Ozone Monitoring Experiment
GPS:Global Positioning System
GPSOS:GPS Occultation Sensor
GPSRO:GPS Radio Occultation
GrADS:Grid Analysis and Display System
GRC:Glenn Research Center
GRAMS:Ground Radiation Measurement system
GRIB:Gridded Binary (format)
GSE:Ground Support Equipment
GSFC:Goddard Space Flight Center
GSICS:Global Spacebased Inter-Calibration System
GSWP2:Globel Soil Wetness Project
GTE:Global Tropospheric Experiment
GUI:Graphical User Interface
GWTSA:Gamma-Weighed Two-Stream Approximation
HALOE:Halogen Occultation Experiment
HBTM:Hybrid Bispectral Threshold Method
HDF:Hierarchical Data Format
HDWL:Hybrid Doppler Wind Lidar
HES:Hyperspectral Environmental Sensor
H:High
HIRS:High Resolution Infared Radiation Scanner
HIS:High-Resolution Interferometer Spectrometer
HITRAN:High-resolution TRANsmission
HK:HouseKeeping (engineering data)
HL:High L atitude
HONER:Hemispherical Optimized New Radiometer
HPA:hectoPascal
HPGL:HP-GL plotter language
HR:Heating Rate
HRDL:High-resolution Doppler Lidar
HRPT:High Resolution Picture Transmission
HSFOVR:Hemispherical Field Of View Radiometer
HSRL:High Spectral Resolution Lidar
HTML:Hypertext Markup Language
HTTP:Hypertext Transfer Protocol
HySPAR:HypertSpectral Polarimeter for Aerosol Retrievals
HyspIRI:HypertSpectral Infrared Imager
ICA:Instrument Control Assembly
ICA:Independent Column Approximation
ICA:Independent Computing Architecture
ICARTT:International Consortium for Atmospheric Research on Transport and Transformation
ICD:Interface Control Document
ICE:Integrated Cryptographic Engine
ICESat:Ice Cloud and land Elevation Satellite
ICL:Integrated Cloud Liquid
ICM:Internal Calibration Module
ICMP:Internet Control Message Protocol
ICS:Internal Calibration Subassembly (Module)
ICP:Instrument Control microProcessor
ICRCCM:Intercomparison of Radiation Codes in Climate Models
ICS:Internal Calibration Source
ICS:Instrument Coordinate System
ICSBB:Internal Calibration Source – Black Body
IDL:Interactive Data Language
IDPS:Interface Data Processing Segment
IEEE:Institute of Electrical and Electronics Engineers
IES:Instrument Earth Scans
IFA:Intensive Flux Array
IFM:Integrated Financial Management
IFO:Intensive Field Observation
IFOV:Instantaneous Field Of View
IG:Inspector General
IGAP:International Global Aerosol Program
IGARSS:International Geoscience and Remote Sensing Seminar
IGBP:International Geosphere Biosphere Programme
IGOS:Integrated Global Observing Strategy
IGR:Instanteous Geographic Region
IIR:Imaging Infrared Radiometer
ILAS:Improved Limb Atmospheric Sounder
ILRS:International Laser Ranging Service
ILW:Integrated Liquid Water
IMA:Interpolated Daily MODIS Aerosol
IMAP:Internet Message Access Protocol
IMET:Improved METerological System
IMPACT:Interactive Modeling Project for Atmospheric Chemistry and Transport
IMS:Information Management System
IMSL:International Mathematics and Statistics Library
INDOEX:Indian Ocean Experiment
INSAT:Indian Satellite
INSTR:Instrument
INTEX-NA:Intercontinental Chemical Transport Experiment – North America
I/O:Input/Output
ION:IDL On the Net
IOP:Intensive Observing Period
IOT:Instrument Operations Team
IP:Internet Protocol
IPC:International Pyrheliometer Comparison
IPCC:Intergovernmental Panel on Climate Change
IPD:Information Processing Division
IPO:Integrated Program Office
IR:Incident Response
IR:Infrared
IRF:Instantaneous Radiative Flux
IRIS:Infrared Interferometer Spectrometer
IRR:Imaging Infrared Radiometer
IRS:International Radiation Symposium
IRT:Infrared Thermometer
IRU:Inertial Reference Unit
ISA:Instruction Set Architecture
ISCCP:International Satellite Cloud Climatology Project
ISDN:Integrated Services Digital Network
ISO:International Standards Organization
ISO:Intraseasonal Oscillations
ISS:Integrated Sounding System
IST:Instrument Support Terminal
IT:Information Technology
IT:Instrument Team
ITAR:International Traffic in Arms Regulations
ITCZ:Intertropical Convergence Zone
ITS:Information Technology Security
ITSM:Information Technology Security Manager
ITS-90:International Temperature Scale of 1990
IVICS:Interactive Visual Image Classification System
IVOS:Infrared and Visible Optical Sensors (CEOS)
IVT:Instrument Validation Tape
IWC:Ice Water Content
IWG:Instrument Working Group
IWP:Ice Water Path
IWV:Integrated Water Vapor
JBIG+:Joint Bi-level Image experts Group File interchange Format
JCDL:Joint Conference on Digital Libraries
JD:Julian Day
JERS-1:Japanese Earth Remote-sensing Satellite-1
JMA:Japan Meteorological Agency
JPEG:Joint Photographic Experts Group JFIF Format
JPL:Jet Propulsion Laboratory
JPSS:Joint Polar Satellite System (NOAA/NASA)
JSC:Johnson Space Center
KSC:Kennedy Space Center
LAII:Land-Atmosphere-Ice-Interactions
LAN:Local Area Network
LAPD:Langley Policy Directive
LaRA:Langley Remote Access
LaRC:Langley Research Center
LaRCNET:LaRC Network
LASE:Lidar Atmospheric Sensing Experiment
LaTIS:Langley TRMM Information System
LBC:Laser Beam Ceilometer
LBL:Line By Line
LBLRTM:Line-By-Line Radiative Transfer Model
LBTM:Layer Bispectral Threshold Method
LCL:Lifting Condensation Level
LDEF:Long Duration Exposure Facility
LDR:Linear Depolarization Ratio
LED:Light Emitting Diode
LEO:Low Earth Orbit
LIDAR:Light Detection and Ranging
LIRAD:Lidar/Radiometer
LIS:Lightning Imaging Senosr
LITE:Lidar In-space Technology Experiment
LM:Lower Middle
LMD:Laboraoire de Meteorologie Dynamique
LMS:Langley Management System
LMS:Least Median Squares
LN:Liquid Nitrogen
LOC:Lines of Code
LOS:Lines of Sight
LOS:Loss of Signal
L:Low
Lowtran 7:Low-Resolution Transmittance (Radiative Transfer Code)
LPLA:Langley Parameterized Longwave Algorithm
LPSA:Langley Parameterized Shortwave Algorithm
LRS:Low Rate Science
LST:Local Standard Time
LTE:Local Shermodynamic Equilibrium
LUT:Look Up Table
LW:Longwave (channel)
LWC:Liquid Water Content
LWP:Liquid Water Path
LWR:Longwave Radiation
LZPG:Level Zero Processing Facility
MAERI:Marine Atmospheric Emitted Radiance Interferometer
MAM:Mirror Attenuator Mosaic
MAPS:Measurement of Atmospheric Pollution from Satellites
MAPS:Mesoscale Analysis and Prediction System
MAS:MODIS Airborne Simulator
MAT:Master Archival Tape
MATCH:Model of Atmospheric Transport and CHemistry
MB:Megabyte
MBL:Marine Boundary Layer
MC:Mostly Cloudy
MCIDAS:Man Computer Interactive Data Access System
MCR:Microwave Cloud Radiometer
MCRS:Multi-Cloud Retrieval System
MCST:MODIS Characterization Support Team
MCT:MODIS Calibration Team
MD5:Message Digest Algorithm 5
MDR:Minimum Detectable Radiance
MERIS:(Envisat) Medium Resolution Imaging Spectrometer
MERRA:Modern Era Retrospective-analysis for Research and Applications
METEOSAT:Meteorological Operational Satellite
MFOV:Medium Field-of-View
MFP:Mean-Free-Path
MFR:Muti-Filter Radiometer
MFRSR:Muti-Filter Rotating Shadowband Radiometer
MHZ:MegaHertz
MIDAS:Materials In Devices As Superconductors
MIF:(Frame)Maker Interchange Format
MIFF+:Magick Image File Format, MNG Multiple-image Network Graphics
MIME:Multipurpose Internet Mail Extension
MIMR:Multifrequency Imaging Microwave Radiometer
MIPS:Million Instructions Per Second
MIR:Millimeter-wave Imaging Radiometer
MISR:Multi-angle Imaging SpectroRadiometer
MJO:Madden-Julian Oscillation
MLE:Maximum Likelihood Estimator
MLI:Multi-Layer Insulation
MLS:Mid-Latitude Summer
MLTI:Mesosphere and Lower Thermosphere/Ionosphere
MLW:Mid-Latitude Winter
MMS:Mission Management Software
MMCR:Millimeter Wave Cloud Radar
MMTP:Microwave Temperature Profiler
MOA:Meteorological, Ozone, and Aerosols
MOC:Mission Operations Center
MOD02:MODIS-Terra Level 1B Calibrated Radiances Product
MOD03:MODIS-Terra Level 1B Geolocation Product
MOD04:MODIS-Terra Instantaneous Aerosol Product
MOD06:MODIS-Terra Cloud Property Product
MOD08:MODIS-Terra Daily Aerosol Product
MOD11:MODIS Land and Surface Product
MODIS:Moderate Resolution Imaging Spectrometer
MODM:Monochromatic Optical Depth
MODTRAN:Model Transfer
MONO:Bi-level bitmap in least-significant-byte first order
MOPITT:Measurements Of Pollution In The Troposphere
MPACE:Mixed-Phase Arctic Cloud Experiment
MPEG:Moving Pictures Expert Group
MPI:Message Passing Interface
MPICH:Message Passing Interface Chameleon
MPL:Micro-pulse Lidar
MPLNET:Micro-pulse Lidar Network
MRF:Medium-Range Forecast
MRTG:Multi Router Traffic Grapher
MSRC:Marshall Space Flight Center
MSG:MeteoSat Second Generation (Program)
MSI:MultiSpectral Imaging
MSIR:MultiSpectral Infrared Retrieval
MSL:Mean Sea Level
MSPI:Multiangle SpectroPolarimetric Imager
MSMR:Multispectral, Multiresolution
MSU:Microwave Sounding Unit
MSX:Mid-Course Space Experiment
MTF:Modulation Transfer Function
MTP:Microwave Temperature Profiler
MTSA:Monthly Time/Space Averaging
MTSAT-1R:Multi-functional Transport Satellite-1 Replacement
MTV+:MTV Raytracing Image Format
MVI:Microwave Visible Infrared
MWH:Microwave Humidity
MWR:Microwave Radiometer
MWSR:Microwave Water Substance Radiometer
MYD04:MODIS-Aqua Instantaneous Aerosol Product
MYD06:MODIS-Aqua Cloud Property Product
MYD08:MODIS-Aqua Daily Aerosol Product
NAD:Network Address Drop
NAG:Numerical Algorithms Group
NARSTO:North American Research Strategy for Tropospheric Ozone
NASA:National Aeronautics and Space Administration
NASDA:National Space Development Agency (Japan)
NAST:NPOESS Airborne Sounder Testbed
NASIRC:NASA Incident Response Center
NAT:Network Address Translation
NB:Narrow Band
NB-BB:Narrow Band to Broad Band
NBL:Nocturnal Boundary Layer
NBTD:Negative Brightness Temperature Differences
NCAR:National Center for Atmospheric Research
NCDC:National Climatic Data Center
NCDS:NASA Climate Data System
NCEP:National Centers for Environmental Predictions
NCSA:National Center for Supercomputing Applications
NDNR:Normalized Differences of Nadir Reflectivity
NDBC:National Data Buoy Center (NOAA)
NDVI:Normalized Difference Vegetation Index
NEMS:NASA Equipment Management System
NEP:Noise Equivalent Power
NESDIS:National Environmental Satellite, Data, and Information Service
NetCDF:Network Common Data Format
NEWS:NASA Energy and Water System
NEXRAD:Next-generation Radar
NFBB:Narrow Field BlackBody
NFOV:Narrow Field-of-View
NFS:Network File System
NGA:National Geospatial-Intelligence Agency
NGDC:National Geophysical Data Center
NGS:National Geodetic Survey
NIA:National Institute of Aerospace
NICSE:NPP Instrument Calibration Support Element
NIMA:National Imagery and Mapping Agency (now NGA)
NIMFR:Normal Incidence Multi-Filter Radiometer
NIP:Normal Incidence Pyrheliometer
NIR:Near Infrared
NISE:Near-real time Ice and Snow Extent
NISN:NASA Integrated Services Network
NIST:National Institute of Standards and Technology
NMC:National Meteorological Center
NMHS:National Meteorological and Hydrological Services
NNLS:Non-Negative Least Squares
NOAA:National Oceanic and Atmospheric Administration
NOW:Notice of Work
NPD:NASA Policy Directive
NPG:NASA Procedures and Guidance
NPOESS:National Polar-orbiting Operational Environmental Satellite System
NPP:NPOESS Preparatory Project
NQS:Network Queuing System
NRB:Normalized Relative Backscatter
NREL:National Renewable Energy Laboratory
NRL:Naval Research Laboratory
NS:Non-Scanner (ERBE)
NSA:North Slope of Alaska
NSF:National Science Foundation
NSIDC:National Snow and Ice Data Center
NSSDC:National Space Science Data Center
NTP:Network Time Protocol
N3RT:Nighttime 3-channel Retrieval Technique
NVAP:NASA Water Vapor Project
NWP:Numerical Weather Prediction
NWS:National Weather Service
OA:Operations Agreement
OAII:Ocean-Atmosphere-Ice-Interactions
OASIS:Ocean-Atmosphere-SeaIce-Snowpack campaign
OASIS:Optical Active-passive Remote Sensing Instrument Suite
OCIO:Office of the Chief Information Officer
OCO:Orbiting Carbon Observatory
OCR:Optical Character Reader
ODIN:Outsourcing the Desktop Initiative
ODS:One Day Sequence
OLR:Outgoing Longwave Radiation
OMI:Ozone Monitoring Instrument
OMPS:Ozone Mapping and Profiler Suite
OOAM:Orbiting Ozone and Aerosal Measurement
OPC:Optical Particle Counter
OPD:Ozone Profile Data
OS:Operating System
OSSE:Observing System Simulation Experiments
OSSE:Oriented Scintillation Spectrometer Experiment (NRL)
OSU:Oregon State University
OUM:Organizational Unit Managers (LaRC)
OV:Overcast
P7:Xv’s Visual Schnauzer Format
PABSI:Profiling Oxygen A-band Spectrometer/visible Integer
Pacor-A:Packet Processor Automation
PAM:Pluggable Authentication Module
PAN:Product Acceptance Notification
PAO:Public Affairs Officer
PAPS:Programmable Azimuth Plane Scan
PAR:Photosynthetically Active Radiation
PARAGON:Progressive Aerosol Retrieval and Assimilation Global Observing Network
PARASOL:Polarization and Anistropy of Reflectances for Atmospheric Sciences coupled with Observations from a Lidar
PAT:Processed Archival Tape
PB5:Parallel-grouped Binary Version 5
PBL:Planetary Boundary Layer
PBM+:Portable Bitmap Format (black and white)
PC:Personal Computer
PC:Partly Cloudy
PCA:Power Converter Assembly
PCD:Photo CD
PCF:Process Control File
PCI:Peripheral Component Interconnect
PCL:Page Control Language
PCP:Partly Cloudy Pixel
PCX:ZSoft IBM PC Paintbrush File
PDF:Portable Document Format
PDF:Probability Distribution Function
PDL:Polarization Diversity Lidar
PDR:Product Subscription Request
PDS:Production Data Set
PEATE:Product Evaluation and Analysis Tool Element
PFM:Prototype Flight Model (on TRMM)
PGE:Product Generation Executive
PGM+:Portable Graymap Format (gray scale)
PGS:Product Generation System
PHP:PHP: Hypertext Processor
PI:Principal Investigator
PIC:Process Improvement Committee
PICT:Apple Macintosh QuickDraw/PICT File
PIR:Precision Infrared Radiometer
PIX:Alias/Wavefront RLE Image Format
PKI:Public Key Infrastructure
PLASMA:Plasma fractal image
PML:Perfectly Matched Layer
PMOA:Post Meteorological, Ozone, and Aerosols
PNG:Portable Network Graphics
PNM+:Portable anymap
POAM:Polar Ozone and Aerosol Experiment
POCC:Payload Operations and Control Center
POEM:Polar-Orbit Earth Observation Mission
POES:Polar-Orbiting Operational Environmental Satellite
POLDER:POLarization and Directionality of the Earth’s Reflectances
POSIX:Portable Operating System Interface for Computer Environments
POWER:Prediction of Worldwide Energy Resources
PPA:Plane Parallel Approximation
PPM+:Portable Pixmap Format (color)
PPS:Principal Plane Scan
PR:Precipitation Radar
PRES8:Preliminary ERBE-like Science Data Product 8
PROF:Profile
PROM:Programmable Read Only Memory
PRT:Platinum Resistance Thermometers
PS+:Adobe PostScript File
PS2+:Adobe Level II PostScript File
PSA:Product Specific Attribute
PSAP:Particle/Soot Absorption Photometer
PSC:Polar Stratospheric Cloud
PSD:Adobe Photoshop bitmap File
PSF:Point Spread Function
PSOE:Project Science Office Element
PSRF:Point Spread Response Function
PSP:Precision Spectral Pyranometer
PTOST:Pacific-THORpex Observing System Test
PTS:Problem Tracking System
PVCS:Poly Version Control System
PW:Precipitable Water
PWS:Present Weather Sensor
PWV:Precipitable Water Vapor
QA:Quality Assessment/Quality Assurance
QC:Quality Control
QDS:Quick-look Data Set
QME:Quality Measurement Experiment
RAB:Radiation and Aerosols Branch
RAD:Radiance Image Format
RADAGAST:Radiative Atmospheric Divergence using ARM mobile facility, GERB data, and AMMA STations
RAID:Redundant Array of Inexpensive Disks
RAM:Read Accessible Memory
RAM:RAM-Direction (pointing in forward velocity vector)
RAP:Rotating Azimuth Plane
RAOB:Radiosonde Observation
RAOBS:RAdar Oxygen Barometric Sensor
RAPRAD:Rapid Radiation Transfer Model
RAPS:Rotating Azimuth Plane Scan
RAQMS:Regional Air Quality Modeling System
RAT:Raw Archival Tape
RCC:Radiometer Calibration and Characterization
RCS:Remote Cloud Sensing
RDR:Raw Data Record
REA:Relay Electronics Assembly
Re:Effective Radius
RF:Radio frequency
RFA:Radiative Flux Assessment
RFP:Request for Proposal
RFQ:Request for Quotation
RGB:Raw red, green, and blue bytes
RGBA:Raw red, green, blue and matte bytes
RH:Relative Humidity
RIS:Raster Image Set
RL:Raman Lidar
RLA:Alias/Wavefront image File
RLE:Utah Run length encoded image File
RMIB:Royal Meteorological Institute of Belgium
RMS:Root Mean Square
ROM:Read Only Memory
ROSES:Research Opportunities in Space and Earth Sciences
RPC:Remote Procedure Calls
RPM:Radiance Pairs Method (ADMs)
RRD:Round Robin Database
RRTM:Rapid Radiative Transfer Model
RSA:Rivest, Shamir and Adleman (cryptographic algorithm)
RSS:Rotating Shadowband Spectroradiometer
RT:Radiative Transfer
RTCS:Relative Time Command Sequence
RTCU:Remote Telemetry Control Unit (CCSDS)
RTM:Radiometer Test Model
RTM:Radiative Transfer Models
RWP:Radar Wind Profiler
S-2:ERBE Science Data Product 2
S-4N:ERBE Science Data Product 4 for Nonscanner Data
S-7:ERBE Science Data Product 7
S-8:ERBE Science Data Product 8
S4P:Simple Scalable Script-based Science Processor
SA:Systems Administrator
SABER:Sounding of the Atmosphere using Broadband Emission Radiometry
SABL:Scanning Aerosol Backscatter Lidar
SAGE:Stratospheric Aerosol and Gaseous Experiment
SAH:Surface Albedo History (map)
SAM:Stratospheric Aerosol Measurement
SAN:Storage Area Network
SAR:System Activity Reporter (UNIX system utility)
SARB:Surface and Atmosphere Radiation Budget
SAS:Solar Aspect Sensor
SBUV-2:Solar Backscatter Ultraviolet/Version 2
SCALES:SEVIRI&GERB Calibration/Validation for Large-scale field Experiments
SCAR-A:Smoke/Sulfates, Clouds and Radiation – America
SCAR-B:Smoke/Sulfates, Clouds and Radiation – Brazil
ScaRab:Scanner for Radiation Budget
SCC:Spectral Correction Coefficients
SCCR:Software Configuration Change Request
SCCS:Software Configuration Change System
SCF:Science Computing Facility
SCIAMACHY:Scanning Imaging Absorption Spectrometer for Atmospheric Chartography
SCIF:SpaceCraft InterFace
SCM:Single-Column Model
SCM:Spatial Coherence Method
SCNNLS:Smoothness Constrained Non-Negative Least Squares
S’COOL:Students’ Cloud Observations On-Line
SCSI:Small Computer Systems Interface
SCVPRF:Software Change Verification and Program Release Form
SD:Science Directorate (formerly AtSC)
SD3E:Science Data Distribution and Depository Element
SDCD:Solar Distance Correction and Declination
SDP:Science Data Processing
SDPF:Sensor Data Processing Facility
SDR:Sensor Data Record
SDS:Scientific Data Set
SDS:Science Data Segment
SeaDAS:Sea-viewing Data Analysis System
SEC:System Engineering Committee
SEO:Site Engine Optimization
SER:Systems Engineering Report
SESS:Space Environment Sensor Suite
SFC:Hourly Gridded Single Satellite TOA/Surface Fluxes and Clouds
SFE:Science Formatting Equipment
SGI:Silicon Graphics Incorporated
SGI+:Irix RGB image File
SGP:Southern Great Plains
SHEBA:Surface Heat Budget in the Arctic
SHTML:Hypertext Markup Language with a client-side image map
SIO:Scripps Institution of Oceanography
SIPD:Silicon PhotoDiode (SWICS)
SIPS:Science Investigator Processing System
SIR:Solar Infrared
SIROS:Solar and infrared observing system
SIRS:Solar Infrared Station
SIRTA:Site Instrumental de Recherche par Teledetection Atmospheric
SIT:Set In Testing
SMA:Solar Monitor Assembly (ERBE)
SMA:Sensor Module Assembly (CERES)
SMAP:Soil Moisture Active-Passive mission
SMEL:Software Media Electronic Library
SMM:Solar Maximum Mission
SMMR:Scanning Multichannel Microwave Radiometer
SMOBA:Stratospheric Monitoring Group Ozone Blended Analysis
SMS:Synchronous Meteorological Satellite
SMTP:Simple Mail Transport Protocol
SNMP:Simple Network Monitoring Protocol
SNR:Signal-to-Noise Ratio
SOCC:Satellite Operations and Control Center
SOCRATES:Special Operations of CERES RAdiative Transfer Experiment Sites
SOFA:Surface Only Flux Algorithms
SOHO:Solar Heliospheric Observatory
SORCE:Solar Radiation and Climate Experiment
SORTI:Solar Radiance Transmittance Interferometer
SPD:SSI&T Procedures Document
SPECTRE:Spectral Radiance Experiment
SPIE:Society of Photo-Optical Instrumentation Engineers
SPOT:Systeme pour l’observation de la Terra (France)
SPS:Solar Presence Sensor
SQL:Standard Query Language
SRB:Surface Radiation Budget
SRBAVG:Surface Radiation Budget Average
SRF:Spectral Response Function
SRL:Scanning Raman Lidar
SS:SubSystem
SSA:Single-Scattering Albedo
SSA:Sensor Scan Assembly
SSAI:Science System and Application, Incorporated
SSAI:Single Satellite Footprint, Aerosol, Intermediate
SSC:Stennis Space Center
SSDR:Subsystem Design Review
SSE:Surface meteorology and Solar Energy
SSF:Single Scanner CERES Footprint TOA and Surface Fluxes, Clouds
SSFA:Single Scanner Footprint, Aerosol
SSFAI:Single Scanner Footprint, Aerosol, Intermediate
SSFB:Single Scanner Footprint, Binary
SSFI:Single Scanner Footprint, TOA and Surface Flux, Clouds Interim
SSFR:Solar Spectral Flux Radiometer
SSH:Secure Shell
SSI&T:Science Software Integration and Test
SSL:Secure Socket Layer
SSM/I:Special Sensor Microwave/Imager
SSP:Scanning Spectral Polarimeter
SST:Sea-surface temperature
STIP:Stored TIROS Information Processor
STK:Satellite Tool Kit
SUCCESS:SUbsonic aircraft: Contral and Clouds Effects Special Study
SUID:Set User IDentification number
SUN+:SUN Rasterfile
SURFMAP:Surface Map
SURFRAD:Surface Radiation Budget Network
SVG:Scalable Vector Graphics
SW:Shortwave (channel)
SWERA:Solar and Wind Energy Resource Assessment Project
SWICS:Shortwave Internal Calibration Source
SWOT:Surface Water Ocean Topography
SWR:Shortwave Radiation
SWRS:Shortwave Reference Source
SWS:Shortwave Spectroradiometer
SWV:Slant Water Vapor
SYN:Synoptic Radiative Fluxes and Clouds
SYNI:Synoptic Radiative Fluxes and Clouds Intermediate
SZA:Solar Zenith Angle
TAFTS:Tropospheric Airborne Fourier Transform Spectrometer
TAM:Technical Analysis Memorandum
TAO:Tropical Atmosphere Ocean
TAR:Technical Analysis Report
TARFOX:Tropospheric Aerosol Radiative Forcing Observational Experiment
TB:TerraBytes
TBD:To Be Determined
TCP/IP:Transmission Control Protocol/Internet Protocol
2DC:Two-dimensional Cloud
TDDR:Total Direct Diffuse Radiometer
TDLAS:Tunable Diode Laser Absorption Spectrometer
TDMA:Time Division Multiple Access
TDRSS:Tracking and Data Relay Satellite System
TEA:Transverse-Excited Atmospheric Pressure
TEC:Thermoelectric Cooler
TEJ:Tropical Easterly Jet
TES:Tropospheric Emission Spectrometer
TGA+:Truevision Targa image File
TGT:TDRSS Ground Terminal
THIR:Temperature/Humidity Infrared Radiometer (Nimbus)
THORpex:THe Observing-system Research and predictability experiment
3D-WINDS:Three Dimensional Troposheric Winds from Space-based Lidar
THWAPS:Temperature, Humidity, Winds, and Pressure System
TIFF:Tagged Image File Format
TIFF24+:Tagged Image File Format, 24-bit
TILE:Tile image with a texture
TIM:PSX TIM File
TIMED:Thermosphere, Ionosphere, Mesosphere, Energetics, and Dynamics
TIPA:Tilted independent Pixel Approximation
TIROS:Television Infrared Observing Satellite
TISA:Time Interpolation and Spatial Averaging
TKE:Turbulent Kinetic Energy
TL:Total (channel)
TLM:Telemetry
TLS:Total, Longwave, and Shortwave
TLS:Transport Layer Security
TM:Thematic Mapper
TMF:Time Mark and Frequency
TMI:TRMM Microwave Imager
TMI:Telemetry, Merge, and Inversion (ERBE processor)
TOA:Top-of-the-Atmosphere
TODL:Time Ordered Down Link
TOGA:Tropical Ocean Global Atmosphere
TOMS:Total Ozone Mapping Spectrometer
TONS:TDRS Onboard Navigation System
TOPEX:Ocean TOPography EXperiment
TOST:THORPEX Observing System Test
TOT:Total (channel)
TOVS:TIROS Operational Vertical Sounder
TP:Temperature Profiling
TRACE-P:Transport and Chemical Evolution over the Pacific
TRMM:Tropical Rainfall Measuring Mission
TSA:Time-Space Averaging
TSBR:Total broadband radiometer
TSDIS:TRMM Science Data Information System
TSI:Time-Space Interpolation
TSI:Total Solar Irradiance
TSIB:Time-Space Interpolation, Binary
TSIS:Total and Spectral Solar Irradiance Sensor
TSS:TDRSS Service Session
TTF:TrueType font File
TTSS:Tropospheric Trace Species Sensing
TUVR:Total Ultraviolet Radiometer
TWP:Tropical Western Pacific
TWP-ICE:Tropical Warm Pool-International Cloud Experiment
UARS:Upper Atmosphere Research Satellite
UAV:Unmanned Aerospace Vehicle
UDP:User Datagram Protocol
ufLW:UnFiltered Longwave (Radiances)
ufSW:UnFiltered Shortwave (Radiances)
ufTOT:UnFiltered Total (Radiances)
ufWN:UnFiltered Window (Radiances)
UFS:Unix File System
UID:Unique IDentifer
UID:User IDentification Number
UIID:Unique Instrument Interface Document
UIL:X-Motif UIL table
UIR:Upwelling Infrared Radiometer
UKMO:United Kingdom Meterological Office
ULDB:Ultra Long Duration Balloon
UM:Upper Middle
UNEP:United Nations Enviornmental Programme
UNITE:User Navigation Information and Tool Evolution
UPS:Uninterruptible Power Supply
URL:Uniform Resource Locator
US-CERT:United States Computer Emergency Readiness Team
USGCRP:United States Global Change Research Program
USGS:U.S. Geologic Survey
USR:Upwelling Solar Radiation
UT:Universal Time
UTC:Universal Time Code
UTLS:Upper Troposphere/Lower Stratosphere
UV:Ultraviolet
UVA:Ultraviolet A
UVB:Ultraviolet B
UV DIAL:Ultraviolet Differential Absorption Lidar
UVSR:Ultraviolet Spectral Radiometer
UYVY:Interleaved YUV
V-3N:ERBE Validation Data Product 3 for Nonscanner Datay
VAD:Velocity-Azimuth Display
VAOT:VIIRS Aerosol Optical Depth
VAS:VISSR Atmospheric Sounder
VC:Virtual Channel (CCSDS)
VCDU:Virtual Channel Data Unit (CCSDS)
VCID:Virtual Channel Identifier (CCSDS)
VDA:Variational Data Assimilation
VIFF+:Khoros Visualization image File
VIIRS:Visible/Infrared Imager/Radiometer Suite
VIRS:Visible and Infrared Scanner (TRMM)
VIMD:VIIRS Imagery Moderate Day/Night
VIPS:Video ice Particle Sampler
VIRS:Visible Infrared Scanner
VIS:Visible
VISSR:Visible Infrared Spin-Scan Radiometer
VISST:Visible Infrared Solar-infrared Split-Window Technique
VIST:Visible and Infrared Split-window Technique
VOCAR:Variation of Coastal Atmospheric Refractivity
VPD:Vapor pressure deficit
VPN:Virtual Private Network
VR:Verification Report
VZA:Viewing Zenith Angle
WCRP:World Climate Research Program
WFBB:Wide Field BlackBody
WFOV:Wide Field-of-View
WG:Working Group
WMO:World Meteorological Organization
WN:Window (channel)
WP:Warm Pool
WOTIS:Wallops Orbital Tracking and Information System
WOTS:Wallops Orbital Tracking Station
WRC:World Radiation Center
WRR:World Radiometric Reference
WSG:World Standard Group
WSI:Whole Sky Imager
WV:Water Vapor
WVP:Water Vapor Profiling
WVR:Water Vapor Radiometer
WWW:World Wide Web
W2K:Windows 2000
W3C:World Wide Web Consortium
XBM:X11 Bitmap File
XHTML:Extensible HyperText Markup Language
XLV:Extended Logical Volume
XML:Extensible Markup Language
XOVWM:Extended Ocean Vector Winds Mission (color)
XPM:X Windows system Pixmap File (color)
XSL:Extensible Style Language
XSLT:Extensible Style Language Transformation
XT:CrossTrack
XWD:X Windows system window dump File (color)
Y2K:Year 2000
YUV+:CCIR 601 4:1:1 File
ZAVG:Monthly Zonal and Global Average Radiative Fluxes and Clouds
ZWD:Zenith Wet Delay
