| Acronym | Meaning |
 | KM | Kilometer |
| KSC | Kennedy Space Center |
| LAKE-ICE | Lake-Induced Convection Experiment |
| LASER | Light Amplification By Stimulated Emission Of Radiation |
| LAWS | Laser Atmospheric Wind Sounder (EOS) |
| LED | Light Emitting Diode |
| LIDAR | LIght Detection And Ranging |
| M | Meter(s) |
| MAMS | Multispectral Atmospheric Mapping Sensor |
| MAS | MODIS Airborne Simulator |
| MB | Millibar(s) |
| MB OR MB | Megabytes (or Megabits) |
| MB/S | Megabytes Per Second |
| MCIDAS | Man Computer Interactive Data Access System |
| METEOSAT | METEOrological SATellite (European) |
| MHZ | MegaHertz |
| MISR | Multi-angle Imaging Spectro-Radiometer (EOS) |
| MLS | Microwave Limb Sounder (EOS) |
| MODIS | MODerate-resolution Imaging Spectroradiometer (EOS) |
| MODIS-N | MODerate-resolution Imaging Spectroradiometer-Nadir (EOS) |
| MOPITT | Measurements Of Pollution In The Troposphere (EOS) |
| MSG | Meteosat Second Generation |
| MSL | Mean Sea Level |
| MSLP | MSL Pressure |
| MSS | Multi-Spectral Scanner |
| NASA | National Aeronautics And Space Administration |
| NASDA | National Space Development Agency (Japan) |
| NCAR | National Center For Atmospheric Research |
| NCDC | National Climatic Data Center |
| NCEP | National Centers For Environmental Prediction (form. NMC; NWS Center) |
| NESDIS | National Environmental Satellite |
| NEXRAD | NEXt Generation RADar |
| NOAA | National Oceanic And Atmospheric Administration |
| NOAASIS | NOAA Satellite Information System |
| NPOESS | National Polar-orbiting Operational Environmental Satellite System |
| NWS | National Weather Service (NOAA) |
| OAO | Orbiting Astronomical Observatory |
| OSO | Orbiting Solar Observatory |
| OSS | Office Of Space Science (NASA) |
| OSSE | Office Of Space Science Education (SSEC) |
| PIFTS | Planetary Imaging Fourier Transform Spectrometer |
| POES | Polar Operational Environmental Satellite |
| PPM | Part Per Million |
| PV | PhotoVoltaic |
| RAOB | RAdiosonde OBservation |
| S-HIS | Scanning High Resolution Interferometer Sounder |
| SAB | Satellite Applications Branch (old. NESDIS) |
| SAFIRE | Spectroscopy Of The Atmosphere Using Far InfraRed Emission |
| SAGE | Stratospheric Aerosol And Gas Experiment (EOS) |
| SBUV | Solar Backscatter UltraViolet Radiometer (EOS) |
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