| Acronym | Meaning |
| EMAP | Environmental Monitoring And Assessment Program |
| PAC | Polar Atmospheric Chemistry |
| FCC | Federal Communications Commission |
| WISP | Winter Icing And Storms Project |
| ASC | ASTER Steering Committee |
| MHD | Magnetohydrodynamic |
| PRAIRE | Polarization Radar Illinois Rainfall Experiments |
| NH | Northern Hemisphere |
| EMDS | Emergency Management Decision Support System |
| DOI | Department Of Interior |