| Acronym | Meaning |
 | D/L | Downlink |
| RFC | River Forecast Center |
| MARI | Middle Atmosphere Research Initiative |
| SEDI | Structure Of The Earth's Deep Interior |
| TREC | Tracking Radar Echoes By Correlation |
| CCL | Convective Condensation Level |
| PSIA | Pounds Per Square Inch Absolute |
| ID | Inside Diameter |
| ATR | Attenuated Total Reflection |
| LAM | Limited-area Model |
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