| Acronym | Meaning |
| PRECIP | Processing Of Emissions By Clouds And Precipitation |
| BSD | Berkeley Software Distribution |
| BIOFLUX | Bioaerosol Flux |
| ISU | Intermediate Storage Unit |
| ISR | Individual Schedule Request |
| STD | Salinity |
| TRW | Thundershowers |
| EDS | Electronic Data Systems |
| ADL | Alexandria Digital Library |
| DRGS | Direct Read-out Ground Station |