| Acronym | Meaning |
| ASAP | Accelerated Situational Awareness Prototype |
| APA | Administrative Procedures Act |
| SGS | Subgrid Scale |
| MAS | Millimeter-wave Atmospheric Sounder |
| D/A | Digital-to-analogue Conversion |
| EXEC | Executable Program |
| GSFC | Goddard Space Flight Center |
| ADF | Automatic Direction Finding |
| SVP | Surface Velocity Program |
| BSRN | Baseline Surface Radiation Network |