| Acronym | Meaning |
| TIME-GCM | Thermosphere-Ionosphere-Mesosphere-Electrodynamic General Circulation Model |
| ESTAR | Electrically Steered Thinned Array Radiometer |
| MDC | Modified Direct Costs |
| NEPA | National Environmental Policy Act |
| EDMS | Electra Data Management System |
| ATST | Advanced Technology Solar Telescope |
| DPS | Data Production Services |
| CCPP | Climate Change Prediction Program |
| ALP | Assemble Language Preprocessor |
| BBSO | Big Bear Solar Observatory |