| Acronym | Meaning |
| AURA | Association Of Universities For Research In Astronomy |
| MSG | Meteosat Second Generation |
| WSGC | Wisconsin Space Grant Consortium |
| ACRIM | Active Cavity Radiometer Irradiance Monitor (EOS) |
| IRIS | Infrared Radiation Interferometer Spectrometer (1960s) |
| GOES | Geostationary Operational Environmental Satellite |
| ITOS | Improved Television And Infrared Observation Satellite (1970s) |
| HIRDLS | HIgh-Resolution Dynamics Limb Sounder (EOS) |
| IMG | Interferometric Monitor For Greenhouse Gases |
| AIRS | Atmospheric InfraRed Sounder (EOS) |