| Acronym | Meaning |
| APS | Array Processing System |
| ACS | Auxiliary Cooling System |
| USDC | United States Department Of Commerce |
| MS | MASnet Code For The Mass Storage System |
| AQCR | Air Quality Control Region |
| EED | Exposure Evaluation Division |
| ALPEX | Alpine Experiment |
| GCP | GEWEX Continental-Scale Project |
| TIP | TIROS Information Processor |
| BLIP | Boundary Layer Instrument Package |