| Acronym | Meaning |
| TRACON | Terminal Radar Control |
| NSFNET | National Science Foundation Network |
| ACA | Applied Combinatorial Analysis |
| ERTAQ | ERT Air Quality |
| UAO | Upper Atmosphere Observatory |
| DRA | Defense Research & Applications |
| PMEL | Pacific Marine Environment Laboratory |
| GDPS | Global Data Processing System |
| CASH | Commercial Aviation Sensing Humidity Program |
| GUI | Graphical User Interface |