| Acronym | Meaning |
 | ETM | Enhanced Thematic Mapper |
| RFC | River Forecast Center |
| ATA | Air Transport Association |
| PACDEX | PACific Dust EXperiment |
| EPICS | Energetic Pion Channel And Spectrometer |
| AC | Alternating Current |
| NENA | NOAA's Northeast-North Atlantic 2004 |
| ACO | Administrative Consent Order |
| SEAC | (National Bureau Of) Standards Eastern Automatic Computer |
| NHSRP | National Hail Suppression Research Program |
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