| Acronym | Meaning |
| NAT | Nitric Acid Trihydrate |
| STRATEX | Stratocumulus Experiment |
| IFYGL | International Field Year For The Great Lakes |
| PSOS | Profiler Surface Observing System |
| DELNI | Digital Equipment Local Network Interconnect |
| HIS | High-resolution Interferometer Sounder |
| PCDS | Pilot Climate Data System |
| FET | Field-effect Transistor |
| FE | Front-end |
| APEX | Acid Precipitation Experiment |