| Acronym | Meaning |
 | AIRMET | AIRmen METeorological Information |
| ADC | Analog-to-digital Converter |
| CAGE | Continental Africa GATE Experiment |
| AW | Annual Worth |
| IMSP | International Meteorological Service Program |
| FRC | Federal Records Center |
| EMAP | Environmental Monitoring And Assessment Program |
| IOS | Interplanetary Scintillation |
| IMAGES | Intermediate Model For The Annual And Global Evolution Of Species |
| NAWAU | National Aviation Weather Advisory Unit |
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