| Acronym | Meaning |
 | SBF | Scientific Balloon Facility |
| SAR | Synthetic Aperture Radar |
| PID | Prototype International Directory |
| ELF | Extremely Low Frequency |
| ARPS | Advanced Regional Prediction System |
| OEA | Office Of External Affairs |
| ODP | Ocean Drilling Program |
| PACX | Private Automatic Computer Exchange |
| CAAP | Composition And Acidity Of SE Asian Precipitation |
| ICMUA | IAMAS Commission On The Meteorology Of The Upper Atmosphere |
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