| Acronym | Meaning |
| PCRGA | Precipitation Chemistry |
| CDS | Coronal Doppler Spectrometer |
| ICMUA | IAMAS Commission On The Meteorology Of The Upper Atmosphere |
| VAD | Velocity-azimuth Display |
| FACE | Florida Area Cirrus Experiment |
| AMI-2 | Active Microwave Instrument 2 |
| PBYTE | Petabyte (1015bytes) |
| JIC | Joint Implementation Committee |
| PRC | People's Republic Of China |
| GSOP | Ground Systems Operations |