| Acronym | Meaning |
| IDD | Interface Definition Document |
| NSF | National Science Foundation |
| APARE | Asian/Pacific Regional Experiment |
| SVAT | Surface Vegetation- Atmosphere Transfer |
| SAR-X | SAR-X Band |
| OGO | Orbiting Geophysical Observatory |
| Z | Reflectivity (Lenschow) Or Reflective Factor (FOF) |
| SLATT | Stratospheric Latitudinal And Temporal Trends (exchange Committee) |
| VNTSC | Volpe National Transportation Systems Center |
| BGCWG | Biogeochemistry Working Group |