| Acronym | Meaning |
| PRMS | Precipitation Runoff Modeling System |
| SMRP | Satellite And Mesometeorology Research Project |
| QSO | Quasi-stellar Object |
| WICHE | Western Interstate Commission For Higher Education |
| SJVAQS | San Joaquin Valley Air Quality Study |
| FET | Field-effect Transistor |
| AGS | Annulus Gas System |
| IQSY/EX | International Quiet Years Of The Sun Experiments |
| UHURU | N/A |
| LF | Low Frequency |