| Acronym | Meaning |
| CCF | Central Computing Facility |
| F | Frequency |
| DIF | Directory Interchange Format |
| UNU | United Nations University |
| JAWS | Joint Airport Weather Studies |
| FIAR | European Aviation Partnership |
| HRSR | High Resolution Scanning Radiometer |
| SVAT | Surface Vegetation- Atmosphere Transfer |
| STS | Seasonal Transition Simulation |
| GEU | Gyro Electronics Unit |