| Acronym | Meaning |
| SAR | Synthetic Aperture Radar |
| HRDI | High Resolution Doppler Imager |
| APAS | Astrophysical |
| KISS | Kanton Island Sounding System |
| URL | Universal Resource Locter |
| ELLWAS | Enhanced Low-Level Windshear Alert System |
| TID | Traveling Ionospheric Disturbance |
| EIA | Energy Information Administration |
| HRSR | High Resolution Scanning Radiometer |
| ARO | Army Research Office |