| Acronym | Meaning |
| ADVISAR | All Digital Video Imaging System For Atmospheric Research |
| ACB | Air-operated Circuit Breaker |
| EUCLID | European Cooperation For The Long Term In Defense |
| ISRDB | Incoherent Scatter Radar Data Base |
| SNR | Signal-to-noise Ratio |
| WX | Weather |
| W-Z RELATIONSHIP | W = Precipitation Content |
| CDC | Control Data Corporation |
| O AND A | Orbit And Altitude |
| NAPAP | National Acid Precipitation Assessment Program |