| Acronym | Meaning |
| CCL | Convective Condensation Level |
| TID | Traveling Ionospheric Disturbance |
| SAFARI-2000 | The Southern African Regional Science Initiative |
| SEAD | Secretary Of Energy Advisory Board |
| ICSI | International Commission On Snow And Ice |
| DRL | Deliverables Requirement List |
| POES | Polar Operational Environmental Satellite |
| AEE | Alliance For Environmental Education |
| SIRIS | Stratospheric Infrared Interferometer Spectrometer |
| LF | Low Frequency |