| Acronym | Meaning |
| JVNTSC | John Volpe National Transportation Systems Center |
| NS | Nanoseconds |
| POES | Polar Operational Environmental Satellite |
| PIRAQ-III | PC-based Radar Acquisition ? 3rd Generation |
| FAME | Formatting And Multiplexing Equipment |
| ESA | European Space Agency |
| RATS | Real-time Aircraft Tracking System |
| AVS EXPRESS | Upgraded Version Of The Application Visualization System |
| POSIX | Portable Operating System Interface For Computer Environments |
| PASSCAL | Program For Array Seismic Studies Of The Continental Lithosphere |