A

A = Ampere
AAM = Atmospheric Angular Momentum
AAOE = Airborne Antarctic Ozone Experiment
AASE = Airborne Arctic Stratospheric Expedition
AATSR = Advanced Along-Track Scanning Radiometer
A3RI = Antarctic Astronomy and Astrophysics Research Institute
ABBA = Automated Biomass Burning Algorithm
ABI = Advanced Baseline Imager (GOES)
ABLE = Atmospheric Boundary Layer Experiment
ABS = Advanced Baseline Sounder
ac or AC = alternating current
ACARS = Aeronautical Radio, Inc. Communication and Recording System
ACC = Atlantic Climate Change
ACE = Aerosol Characterization Experiment
ACIS = ACademic Information Services (IBM)
ACRIM = Active Cavity Radiometer Irradiance Monitor (EOS
ACR = Active Cavity Radiometer
ACRIM = Active Cavity Radiometer Irradiance Monitor
ACSYS = Arctic Climate System Study
ACMSU = Atmospheric Chemistry Modelling Support Unit
ACSOE = Atmospheric Chemistry Studies in the Oceanic Environment
ADAAC = Affiliated Distributed Active Archive Center
ADALT = Advanced Radar Altimeter
ADC = Astronomical Data Center
ADC = Atlantic Data Coverage (Meteosat)
ADC = Affiliated Data Center
ADCLS = Advanced Data Collection and Location System
ADEOS = Advanced Earth Observing Satellite (Japan)
ADPE = Automatic Data Processing Equipment
ADOM = Acid Deposition and Oxidant Model
ADR = Adiabatic Demagnetization Refrigerator
AE = Atmosphere Explorer
AEA = Atomic Energy Authority (UK)
AER = Atmospheric and Environmental Research
AERI = Atmospheric Emitted Radiance Interferometer
AERONOX = Impact of NOx Emissions from Aircraft upon the Atmosphere
AES = Atmospheric Environment Service (Canada)
AESA = Atmospheric Effects of Stratospheric Aircraft
AF = Air Force
AFB = Air Force Base
AFG = Air Force Geophysics Laboratory
AFOS = Automation of Field Operations and Services (NWS)
AFOSR = Air Force Office of Scientific Research
AFES = Alternative Fluorocarbons Environmental Acceptability Study
AGFS = Aviation Gridded Forecast System
AGL = Above Ground Level
AGO = Automated Geophysical Observatories
AGU = American Geophysical Union
AGWP = Absolute Global Warming Potential
AHSRL = Arctic High Spectral Resolution Lidar
AIRS = Atmospheric Infrared Sounder
AIS = Airborne Imaging Spectrometer
AJ = Astronomical Journal
a.k.a. = also known as
AL = Aeronomy Laboratory (NOAA, US)
ALE/GAGE = Atmospheric Lifetime Experiment/Global Atmospheric Gases Experiment
ALERT = Automated Local Evaluation in Real Time
ALEXI = Atmospheric Land EXchange Inversion (CIMSS)
ALPEX = ALPine EXperiment
ALSPP = Atmospheric and Land Surface Processes Project
ALT = ALTimeter
ALPTRAC = High Alpine Aerosol and Snow Chemistry Study (EUROTRAC)
AMANDA = Antarctic Muon and Neutrino Detector Array
AMI = Active Microwave Instrument
AMIP = Atmospheric Model Intercomparison Project
AMRIR = Advanced Medium Resolution Imaging Radiometer
AMPS = Antarctic Mesoscale Prediction System
AMRIR = Advanced Medium Resolution Infrared Radiometer
AMS = American Meteorological Society
AMSAS = AOA Meteorological Satellite Analysis System
AMSR-E = Advanced Microwave Scanning Radiometer for EOS
AMSU = Advanced Microwave Sounder Unit (EOS)
AMSR = Advanced Microwave Scanning Radiometer
AMSU-A = Advanced Microwave Sounding Unit-A
AMTS = Advanced Moisture and Temperature Sounder
ANL = Argonne National Laboratory
AO = Announcement of Opportunity
AOA = Airborne Optical Adjunct
AO&SS = Atmospheric, Oceanic and Space Sciences (building)
AOIPS = Atmospheric and Oceanographic Information Processing System
AOL = Airborne Oceanographic Lidar
AOT = Aerosol Optical Thickness
AP = Anomalous Propagation
APAFO = Advanced Particles and Fields Observer
APAR = Absorbed Photosynthetically Active Radiation
APP = AVHRR Polar Pathfinder
APT = Automatic Picture Transmission
APU = Auxiliary Power Unit
ARA = Appletalk Remote Access
ARC = Arctic Radiation and Chemistry experiment
ARC = Ames Research Center
APE = Airborne Polar Experiment
ARGOS+ = Argos Data Collection and Location System (France)
ARISTOTELES = Applications and Research Involving Space Technologies
Observing the Earth's Field from a Low Earth Orbiting Satellite
ARM = Atmospheric Radiation Measurement Program (DOE)
ARPS = Advanced Regional Prediction System
ARSLOE = Atlantic Remote Sensing Land/Ocean Experiment
A-SAR = Advanced Synthetic Aperture Radar
A-SCAT = Advanced Scatterometer
ASA = Academic Staff Assembly
ASA = Antarctic Support Associates
ASADA = Automated Smoke/Aerosol Detection Algorithm
ASCII = American Standards Committee for Information Interchange
ASE = Air-Sea Exchange experiment (EUROTRAC)
ASF = Alaskan SAR Facility
ASHOE = Airborne Southern Hemisphere Ozone Experiment
ASI = Agenzia Spaziale Italiana
ASR = Airport Surveillance Radar
ASTER = Advanced Spaceborne Thermal Emission and Reflection radiometer
ASTEX = Atlantic STratus EXperiment
AT&T = American Telephone & Telegraph
ATLAS = Atmospheric Laboratory for Applications and Science
ATLID = Atmospheric Lidar
ATM = Atmospheric Transport Model
ATMOS = Atmospheric Trace Molecules observed by Spectroscopy
ATS = Applications Technology Satellite
ATSR = Along Track Scanning Radiometer
AU = Astronomical Unit
AURA = Association of Universities for Research in Astronomy
AURIO = Auroral Imaging Observatory
AVCS = Advanced Vidicon Camera System
AVHRR = Advanced Very High-Resolution Radiometer
AVHRR = GAC AVHRR Global Area Coverage
AVHRR LAC = AVHRR Local Area Coverage
AVIRIS = Airborne Visible and Infrared Imaging Spectrometer
AVNIR = Advanced Visible and Near-Infrared Radiometer
AWI = Alfred Wegener Institute
AWIPS-90 = Advanced Weather Interactive Processing System for the 90's

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