| Acronym | Meaning |
| SID | Sudden Ionospheric Disturbance |
| FE | Front-end |
| DCA | Washington National Airport |
| UNU | United Nations University |
| ASRL | Atmospheric Science Research Laboratory |
| GTCSM | Global Tropospheric Chemistry Systems Model |
| BINET | Bistatic Doppler Radar Receiver Network |
| IGB | International Geophysical Bulletin |
| GRID | Graphical Interactive Display |
| AFNE | American For Nuclear Energy |