| Acronym | Meaning |
| NAWAU | National Aviation Weather Advisory Unit |
| TOPEX/POSEIDON | Ocean Topography Experiment |
| ASRL | Atmospheric Science Research Laboratory |
| AWU | Atomic Weight Unit |
| RPN | (Division De) Recherche En Precision Numerique |
| AAA | American Arbitration Association |
| CAAP | Composition And Acidity Of SE Asian Precipitation |
| RFI | Radio Frequency Interference |
| OAS | Organization Of American States |
| SMS | Synchronous Meteorological Satellite |