| Acronym | Meaning |
 | GPS | Grants Program Section |
| ATSR | Along Track Scanning Radiometer |
| RISE | Radiative Inputs From Sun To Earth |
| STEP | Solar Terrestrial Energy Program |
| IF | In-flight |
| NOMSS | National Operational Meteorological Satellite System |
| IIWG | International Investigator Working Group |
| DAT | Data Acquisition Test |
| ECN | Energy Research Foundation |
| ACIS | Automated Chemical Inventory System |
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