| Acronym | Meaning |
| STS | Seasonal Transition Simulation |
| OLE | Object Linking And Embedding |
| TES | Transequatorial Scatter |
| OGO | Orbiting Geophysical Observatory |
| NSC | Network Systems Corporation |
| EUMETSAT | European Meteorological Satellite |
| PCA | Physical Configuration Audit |
| TRW SYSTEMS | Inc. |
| DSI (+/OR MOD) | Ministry Of Defense |
| UCARSOFT | UCAR Software |