| Acronym | Meaning |
| NWS | National Weather Service (NOAA) |
| AIRS | Atmospheric InfraRed Sounder (EOS) |
| MLS | Microwave Limb Sounder (EOS) |
| TES | Tropospheric Emission Spectrometer (EOS) |
| ERSC | Environmental Remote Sensing Center (IES) |
| MSG | Meteosat Second Generation |
| SAGE | Stratospheric Aerosol And Gas Experiment (EOS) |
| XBSS | X-ray Background Survey Spectrometer |
| NASA | National Aeronautics And Space Administration |
| CERES | Clouds And The Earth's Radiant Energy System (EOS) |