| Acronym | Meaning |
| ATR | Attenuated Total Reflection |
| OSPF | Open Shortest Path First |
| AWSMSC | Air Weather Service Master Station Catalog |
| GCE | Part Of EUROTRAC |
| CARL | Colorado Alliance Of Research Libraries |
| NGO | Non-Government Organizations |
| DMSP SPO | DMSP System Program Office |
| EH | Oxidation Potential |
| GAPEX | Ground-based Atmospheric Profiling Experiment |
| EDMS | Electra Data Management System |