| Acronym | Meaning |
| S-HIS | Scanning High Resolution Interferometer Sounder |
| GARS | GOES Archive And Retrieval System |
| PPM | Part Per Million |
| ASTER | Advanced Spaceborne Thermal Emission And Reflection Radiometer (EOS) |
| EUMETSAT | EUropean Organization For The Exploitation Of METeorological SATellites |
| AC | Alternating Current |
| EDC | EROS Data Center |
| GEWEX | Global Energy And Water Cycle EXperiment (WCRP) |
| VISIT | Virtual Institute For Satellite Integration Training (NWS) |
| HRIR | High Resolution Infrared Radiometer |