| Acronym | Meaning |
| AU | Astronomical Unit |
| SAB | Satellite Applications Branch (old. NESDIS) |
| C | Centigrade |
| KSC | Kennedy Space Center |
| ERSC | Environmental Remote Sensing Center (IES) |
| UV | UltraViolet |
| TMR | TOPEX Microwave Radiometer (EOS) |
| UHF | Ultra High Frequency |
| ASPT | Advanced Satellite Products Team (NOAA/ORA) |
| CRAS | CIMSS Regional Assimilation System |