| Acronym | Meaning |
 | MIESR | Matrix Isolation/Electron Spin Resonance |
| ETS | Emergency Transponder System |
| EMF | Electromagnetic Field/force |
| FOF | Field Observing Faciltilty |
| FPD | Flight Projects Directorate |
| SERS | STORM Education And Research System |
| ELF | Extremely Low Frequency |
| PCNFS | Personal Computer Network File System |
| NH | Northern Hemisphere |
| LSD | Large-scale Dynamics |
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