| Acronym | Meaning |
| EDF/ DER | Electricit? De France/ Direccion Des Etudes Et Recherche |
| MSISR | Millstone Hill Incoherent Scatter Radar |
| WESTNET | University Of Colorado Network |
| GSA | General Services Administration |
| STRATCOM | Stratospheric Composition Experiment |
| RTH | Regional Telecommunications Hubs |
| ERBE | Earth Radiation Budget Experiment |
| DIAL | Differential Absorption Lidar |
| HF | High Frequency |
| RDF | Radio Direction Finding |