| Acronym | Meaning |
| STA | System Technology Associates |
| SG | Semigeostrophic |
| SVT | Simulated Variable Thickness |
| ITOS | Improved Tiros Operational Satellite |
| AMU | Atomic Mass Unit |
| FATS | Factory Acceptance Test Specification |
| MMM | Mesoscale And Microscale Meteorology |
| BNFL | British Nuclear Fuels Limited |
| ERS-II | European Research Satellite |
| NHSRP | National Hail Suppression Research Program |