| Acronym | Meaning |
| ICEX | Ice Experiment |
| IMAGE | Institute For Mathematics Applied To The Geosciences |
| BBSO | Big Bear Solar Observatory |
| PDM | Pulse Duration Modulation |
| MAPS | Multiple Aircraft Positioning System |
| MILNET | Military Network |
| BEJ | Best Expert Judgment |
| MIGS | MASnet Internet Gateway Server (or System) |
| BPS | Bits Per Second |
| QCMS | Quality Control Monitoring System |