| Acronym | Meaning |
 | SSU | Stratospheric Sounding Unit |
| FDMA | Frequency Division Multiple Access |
| SGI | Silicon Graphics Inc. |
| DOW | Defenders Of Wildlife |
| AARP | American Association Of Retired People |
| HIS | High-resolution Interferometer Sounder |
| NEEDS | N/A |
| AOC | Area Of Concern |
| NOMP | Navy Ocean Modeling And Prediction Program |
| TID | Traveling Ionospheric Disturbance |
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