| Acronym | Meaning |
| OAO | Orbiting Astronomical Observatory |
| ABI | Advanced Baseline Imager |
| ABS | Advanced Baseline Sounder |
| GIFTS | Geosynchronous Imaging Fourier Transform Spectrometer |
| GLOBE | Global Learning And Observations To Benefit The Environment |
| CRIS | Cross-track Infrared Sounder |
| CH4 | Methane |
| IES | Institute For Environmental Studies (UW) |
| AC | Alternating Current |
| DORIS | Doppler Orbitography And Radiopositioning Integrated By Satellite (EOS) |