| Acronym | Meaning |
 | APARE | Asian/Pacific Regional Experiment |
| FIAR | European Aviation Partnership |
| SME | Solar Mesosphere Explorer |
| AP | Anomalous Propagation |
| RTN | Regional Telecommunications Network |
| JWG | Joint Working Group |
| ESDD | Earth Science Data Directory |
| FASCODE | Fast Atmosphere Signature Code |
| BOD | Board Of Directors |
| CASW | Council For The Advancement Of Science Writing |
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