| Acronym | Meaning |
| EPA | Environmental Protection Agency (U.S.) |
| EUMETSAT | EUropean Organization For The Exploitation Of METeorological SATellites |
| MSLP | MSL Pressure |
| SSEC | Space Science And Engineering Center |
| ACRIM | Active Cavity Radiometer Irradiance Monitor (EOS) |
| AERI | Atmospheric Emitted Radiance Interferometer |
| VISAD | Visualization For Algorithm Development |
| CERES | Clouds And The Earth's Radiant Energy System (EOS) |
| TES | Tropospheric Emission Spectrometer (EOS) |
| EM | ElectroMagnetic |