| Acronym | Meaning |
| GAPS | Billions (109) Of Actions Per Second |
| ERS | Earth Remote-Sensing Satellite |
| AFR | Audit Finding Report |
| RADEX | Radar Experiment |
| NPOP | NASA Polar Orbiting Platform |
| UCARNET | University Cooperation For Atmospheric Research Network |
| SAWRS | Supplementary Aviation Weather Reporting System |
| ETM | Enhanced Thematic Mapper |
| NWP | Numerical Weather Prediction |
| SPECMAP | Spectral Mapping |