| Acronym | Meaning |
| GLIS | Global Land Information System |
| ETS | Emergency Transponder System |
| GDC | GARP Data Center |
| ALI | Annual Limit On Intake |
| LAM | Limited-area Model |
| UNAVCO | University NAVSTAR [not An Acronym] Consortium |
| GSA | General Services Administration |
| RAWPG | Regional Aviation Weather Products Generator |
| DG | Data General |
| CACGP | Commission On Atmospheric Chemistry And Global Pollution |