| Acronym | Meaning |
| TGCM | Thermospheric General Circulation Model |
| EAG | Exposure Assessment Group |
| ALPAL | Parallel Program Developed At LLNL |
| D/L | Downlink |
| VWS | Vertical Wind Shear |
| ANL-E | Argonne National Laboratory-East |
| DRI | Desert Research Institute |
| CDS | Coronal Doppler Spectrometer |
| BBS | Bulletin Board System |
| CCR | California Code Of Regulations |