| Acronym | Meaning |
| POC | Proof Of Concept |
| EPAA | Environmental Programs Assistance Act |
| OECD | Organization For Economic Cooperation And Development |
| DAS | Data-Acquisition System |
| IIV&V | Independent Integration |
| WVIOP | Water Vapor Intensive Observing Period |
| GA | Billion Years Unit |
| AADT | Average Annual Weekday Traffic |
| PRIMO | Problems Related To Ionospheric Modeling And Observations Project |
| O-O | Object-oriented |