| Acronym | Meaning |
| ESOC | European Satellite Operations Center |
| EOS | Earth Observing System |
| WUPPE | Wisconsin Ultraviolet PhotoPolarimeter Experiment |
| COMET | Cooperative Program For Operational Meteorology Education And Training (NOAA And UCAR) |
| CCR | Center For Climatic Research (IES) |
| HSRL | High Spectral Resolution Lidar |
| STEP | Satellite Technology Education Program (WSGC) |
| VAS | VISSR Atmospheric Sounder (launch |
| DCS | Data Collection System (NOAA Polar Orbiting Satellites) |
| HZ | Hertz |