| Acronym | Meaning |
| RF | Radio Frequency |
| DRI | Desert Research Institute |
| FL | Foothills Laboratory |
| WPM | Well-Posed Model |
| CBT | Computer Based Training |
| SIBIZMIR | Siberian Institute Of Terrestrial Magnetism |
| IMS | Information Management System |
| DORIS | Determination D'Orbite Et Radiopositionement Integre Par Satellite |
| NIAR | National Institute For Atmospheric Research |
| AIRS | Atmospheric Infrared Sounder |