| Acronym | Meaning |
 | SG | Semigeostrophic |
| AST | AVCO Systems Textron |
| SPOT | Systeme Pour L'Observation De La Terre (France) |
| SAS | Statistical Analysis System |
| VSWR | Voltage Standing-wave Ratio |
| BASC | Board On Atmospheric Sciences And Climate |
| AAP | Aviation Applications Program |
| FHWA | Federal Highway Administration |
| ELVIS | Export Licensing Voice Information System |
| AQCR | Air Quality Control Region |
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