| Acronym | Meaning |
| CCR | Center For Climatic Research (IES) |
| ASPT | Advanced Satellite Products Team (NOAA/ORA) |
| LED | Light Emitting Diode |
| VLF | Very Low Frequency |
| SAB | Satellite Applications Branch (old. NESDIS) |
| ESSA | Environmental Science Services Administration (preceded NOAA) |
| KSC | Kennedy Space Center |
| HSB | Humidity Sounder For Brazil |
| EROS | Earth Resources Observing System |
| DCS | Data Collection System (NOAA Polar Orbiting Satellites) |