| Acronym | Meaning |
| AMP | Ampere |
| CAAC | Civil Aviation Administration Of China |
| ELP | Emission Line Polarimeter |
| FACA | Federal Advisory Committee Act |
| GSOP | Ground Systems Operations |
| ARSR | Air Route Surveillance Radar |
| SEAC | (National Bureau Of) Standards Eastern Automatic Computer |
| AQD | Atmospheric Quality Division |
| ESO | European Southern Observatory |
| IPC | Instrument Processing Center |