| Acronym | Meaning |
| LT | Local Time |
| ENDEX | Environmental Data Index |
| UPO | UCAR Projects Office |
| GEOS | Geostationary Earth-Orbiting Satellite |
| ATDRSS | Advanced TDRSS |
| DAF | Data Acquisition Facility |
| B SCALE | Synoptic Scale Ranging From 100 To 1 |
| GIMMS | Global Inventory And Monitoring And Modeling Study |
| GIPS | Billions Of Instructions Per Second |
| AFSSO | Air Force Special Security Office |