| Acronym | Meaning |
 | SEM | System Element Management |
| EOPM | Electro-optic Phase Modulated |
| PSC | Geomagnetic Pulsation |
| AWDL | Aviation Weather Development Laboratory |
| NSSFC | National Severe Storms Forecast Center |
| AGS | Alternating-gradient Synchrotron |
| GIIS | General Instrument Interface Specification |
| OST | Office Of Science And Technology |
| TRACE | Transition Region And Coronal Explorer |
| NLDN | National Lightning Detection Network |
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