| Acronym | Meaning |
| APT | Alliance For Photonic Technology |
| ACF | Acid Concentrator Feed |
| PDU | Protocol Data Unit |
| FPS | Foot-pound Second System Of Measurements |
| ELLWAS | Enhanced Low-Level Windshear Alert System |
| BNL | Brookhaven National Laboratory |
| ESD | Environmental Satellite Data |
| APS | Atomic Power Station |
| ASPEA | Association Suisse Pour L'Energie Atomique |
| DORIS | Determination D'Orbite Et Radiopositionement Integre Par Satellite |