| Acronym | Meaning |
 | NSFNF | Non-NSF Non-funded |
| R | Rayleigh |
| PIPOR | Program For International Polar Ocean Research |
| EXPRS | EXpendable Probe Receiver System |
| USRA | Universities Space Research Association |
| MOSES | Meteorological Observing Station |
| ISY | International Space Year |
| FPS-# | Radar Designation |
| LTCS | Lower Thermosphere Coupling Study |
| STSP | Solar Terrestrial Science Programme |
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