| Acronym | Meaning |
| ARRL | Amateur Radio Relay League |
| AGT | Advanced Ground Transport |
| DOOS | DICOMED Online Operating System |
| GPS-IPW | Global Positioning System-Integrated Precipitable Water |
| LOTUS | Lower Thermosphere And Upper Stratosphere |
| HRV | High-resolution Visible |
| HIAPER | High-Performance Instrumented Airborne Platform For Environmental Research |
| WCIRP | World Climate Impacts And Response Strategies Program |
| MATR | MOPITT Algorithm Test Radiometer |
| AGI | American Geological Institute |