| Acronym | Meaning |
 | NEEDS | N/A |
| GMT | Greenwich Mean Time |
| NRN | National Research Network |
| PB | Product Of Polarization And Brightness |
| FSEC | Florida Solar Energy Center |
| SOI | Solar Oscillations Imager |
| MVS/XA | Multiple Virtual Systems/Extended Architecture |
| PDL | Program Design Language |
| TOTO | Totable Tornado Observatory |
| AWGWC | Air Force Global Weather Center |
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