| Acronym | Meaning |
| GPCP | Global Precipitation Chemistry Project |
| GN AND C | Guidance |
| EERU | Environmental Emergency Response Unit |
| EMI | Electomagnetic Interference |
| UMF | User Master File |
| FY | Fiscal Year |
| FCA | Functional Configuration Audit |
| GPS/MET | GPS Meteorological Satellite |
| ARCAS | All-purpose Rocket For The Collection Of Atmospheric Soundings |
| TIROS I | Television Infrared Observation Satellite |