| Acronym | Meaning |
| DIF | Directory Interchange Format |
| EXCEL | Experimental Chloride Extraction Line |
| SMART-RADAR | The Shared Mobile Atmospheric Research And Teaching Radar |
| AL/KAO | AL Kirtland Area Office |
| INPA | Instituto Nacional De Pesquisas Da Amazonia |
| PDU | Protocol Data Unit |
| NATS | NCAR Aircraft (or Airborne) Telemetry System |
| MDDS | Maintenance Decision Support System |
| ASI | Agenzia Spaxiale Italiano |
| ALAPCO | Association Of Local Air Pollution Control Officials |