| Acronym | Meaning |
| INS | Inertial Navigation System |
| HL | Half Life |
| DTG | Data Time Group |
| SRON | Space Research Organization Of The Netherlands |
| ASTSWMO | Association Of State & Territorial Solid Waste Management Officials |
| AIAS | Automatic Incident Actuation System |
| APD | Advanced Planning Division |
| TDF | Technology Development Facility |
| APS | Axial Power Shape |
| FX-ALPHA | FSL X-window AWIPS-Like Prototype For Hydrometeorological Applications |