| Acronym | Meaning |
| TAP IR | Reactive Gases |
| SMA | Segnalamento Marittimo Ed Aereo |
| HVPS | High-volume Precipitation Spectrometer |
| SEASAT | Sea Satellite |
| DISN | Defense Information Systems Network |
| TRACE | Trace Remote Atmospheric Chemical Evaluation |
| GDPS | Global Data Processing System |
| PDF | Probability Density Functions |
| DWS | Dropwindsonde |
| NEXUS | Next Upper Air Sounder (system) |