| Acronym | Meaning |
| TIME-GCM | Thermosphere-Ionosphere-Mesosphere-Electrodynamic General Circulation Model |
| BNFL | British Nuclear Fuels Limited |
| NEXAIR | Next Generation Upper Air System |
| IPU | Instrument Processor Unit |
| AMS | Automated Meteorological Station |
| GLRS | Geodynamics (or Geoscience) Laser Ranging System |
| SD | Standard Deviation |
| RTD | Regional Transportation Department |
| HTO | Tritiated Water |
| SKE | Specific Kinetic Energy |