| Acronym | Meaning |
| THORPEX | The Observing System Research And Predictability Experiment |
| DDF | Digital Data Formatter |
| FMECA | Failure Modes Effects And Critical Analysis |
| EEC | European Economic Community |
| DOD | Digital Omega Dropwindsonde |
| RMS | Root-mean-square |
| NTN | National Telecommunications Network |
| PWV | Precipitable Water Vapor |
| FHSA | Federal Hazardous Substances Act |
| APAS | Astrophysical |