| Acronym | Meaning |
| WSGC | Wisconsin Space Grant Consortium |
| ATOVS | Advanced TIROS Operational Vertical Sounder |
| APP | AVHRR Polar Pathfinder |
| ESMR | Electrically Scanning Microwave Radiometer |
| ITS | Interferometer Thermal Sounder (HIS) |
| GEOSAT | GEOdetic SATellite |
| SDS | Satellite Data Services |
| AVIRIS | Airborne Visible InfraRed Imaging Spectrometer (JPL) |
| TES | Tropospheric Emission Spectrometer (EOS) |
| ESOC | European Satellite Operations Center |