| Acronym | Meaning |
| NS | Nanoseconds |
| VSWR | Voltage Standing-wave Ratio |
| MDC | Modified Direct Costs |
| GEOS | Geostationary Earth-Orbiting Satellite |
| M3 | M Cubed |
| GCCDF | Generic Control Center Development Facility |
| ELLWAS | Enhanced Low-Level Windshear Alert System |
| ARW | Advanced Research Workshop |
| MMD | Mass Median Diameter |
| FUN | FL-4 Uniform Network Project |