| Acronym | Meaning |
| EAA | Export Administration Act |
| PVC | Permanent Virtual Circuit |
| NSO | National Solar Observatory |
| APHA | American Public Health Association |
| MDM | Multiplexer/demultiplexer |
| JASON | Group Of Physicists At Stanford That Study Various Projects And Are Funded By Government Defense Money |
| PIREPS | Pilot Reports |
| ISSS | International Society Of Soil Science |
| MTTF | Mean Time To Failure |
| BASC | Board On Atmospheric Sciences And Climate |