| Acronym | Meaning |
 | AISC | Assessment And Information Services Center |
| USAN | University Satellite Accessed Network |
| STS | Space Transportation System |
| UMIST | University Of Manchester Institute Of Science And Technology |
| NVAP | NASA Water Vapor Project |
| DRPN | Division De Recherche En Precision Numerique |
| LBN | Lawrence Berkeley Laboratory |
| APHA | American Public Health Association |
| O/I | Optimal Interpolation |
| DB | Direct Broadcast |
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