| Acronym | Meaning |
| ASHRAE | American Society Of Heating |
| NAOS | North American Observing System |
| VEMAP | Vegetation And Ecosystem Modeling And Analysis Project |
| EGTF | Electron Gun Test Facility |
| RPG | Radar Product Generator |
| SARSAT | Search And Rescue Satellite-Aided Tracking |
| ADAAC | EOS Program |
| AIDA | Archive 1 Data Analyzer |
| DOI | Department Of Interior |
| CASI | Canadian Aerospace Institute |