| Acronym | Meaning |
| CCSP | Coupled Climate Systems Program |
| API | Absolute Position Indication |
| RDAM | Radar Data Access And Management Format |
| NRLSI | National Reference Library Of Science And Invention |
| BFPQ | Block Floating Point Quantizer |
| ULTRIX | UNIX-based Operating System For Digital Equipment Corporation Computers |
| SDM | Scientific Data Management |
| CE | Combustion Engineering |
| STSP | Solar Terrestrial Science Programme |
| TIME-GCM | Thermosphere-ionosphere-mesosphere-electrodynamic General Circulation Model |