| Acronym | Meaning |
| SAGE | Stratospheric Aerosol And Gas Experiment (EOS) |
| AMRIR | Advanced Medium Resolution Infrared Radiometer |
| AVHRR | Advanced Very High Resolution Radiometer |
| OAO | Orbiting Astronomical Observatory |
| HIRIS | HIgh-Resolution Imaging Spectrometer (EOS) |
| ENSO | El Ni?o/Southern Oscillation |
| IMG | Interferometric Monitor For Greenhouse Gases |
| KB/S | Kilobits Per Second |
| ESOC | European Satellite Operations Center |
| EPS | European Polar Satellite |