| Acronym | Meaning |
| WIMPS | Weakly Interacting Massive Particles |
| POSIX | Portable Operating System Interface For Computer Environments |
| AOC | Award Of Contract |
| SID | Sudden Ionospheric Disturbance |
| VTAM | Virtual Telecommunications Access Method |
| ETC | Engineering Training Course |
| AMMORA | Adaptation Of Meso-beta-scale Models For Operational And Research Applications |
| IWGGCDM | International Working Group On Global Change And Data Management |
| IGB | International Geophysical Bulletin |
| SUDS | System For User Editing And Display Of Soundings |