| Acronym | Meaning |
| TIME-GCM | Thermosphere-Ionosphere-Mesosphere-Electrodynamic General Circulation Model |
| TDM | Time Division Multiplex |
| GONG | Global Oscillations Network Group |
| DNP | Division Of Nuclear Physics |
| PMEL | Pacific Marine Environment Laboratory |
| AFD | Acid Fractionator Distillate |
| CBO | Carrier Balloon/Omegasonde |
| DAR | Data Acquisition Request |
| AO | Annotated Outline |
| WVIOP | Water Vapor Intensive Observing Period |