| Acronym | Meaning |
| PRIMO | Problems Related To Ionospheric Modeling And Observations Project |
| OASIS | Oceanic & Atmospheric Scientific Information System |
| CCSM | Community Climate System Model |
| GDR | Geophysical Data Record |
| ITS/OT | Institute For Telecommunications |
| URSI | International Union Of Radio Science |
| LTER | Long Term Ecological Research |
| OGO | Orbiting Geophysical Observatory |
| TRMM | Tropical Rainfall Measuring Mission |
| SC | Subtropical Stratocumulus |