| Acronym | Meaning |
 | P/L-EX | Payload Executive |
| NAT | Nitric Acid Trihydrate |
| ACE | Aerosol Characteristics Experiment |
| EPC | Environmental Forecast Center |
| GISMOS | Global Incoherent Scatter Measurements Of Substorms |
| THORPEX | The Observing System Research And Predictability Experiment |
| SID | Sudden Ionospheric Disturbance |
| PRF | Pulse Repetition Frequency |
| S/N | Signal-to-noise Ratio |
| AWDL | Aviation Weather Development Laboratory |
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