| Acronym | Meaning |
| EEMOC | European EMOC |
| LSX | Land Surface Transfer Scheme |
| JAWS | Joint Airport Weather Studies |
| TIME-GCM | Thermosphere-ionosphere-mesosphere-electrodynamic General Circulation Model |
| GCDIS | Global Change Data And Information System |
| NUWIG | National Uranium Resource Evaluation |
| FATS | Factory Acceptance Test Specification |
| ISMG | International Scientific And Management Group |
| PDL | Program Design Language |
| ZTD | Zenith Tropospheric Signal Delay |