| Acronym | Meaning |
| TOS | TIROS Operational Satellite |
| S-HIS | Scanning High Resolution Interferometer Sounder |
| K | Kilo |
| ESOC | European Satellite Operations Center |
| ASPT | Advanced Satellite Products Team (NOAA/ORA) |
| NPOESS | National Polar-orbiting Operational Environmental Satellite System |
| ENSO | El Ni?o/Southern Oscillation |
| SDS | Satellite Data Services |
| ADEOS | ADvanced Earth Observing Satellite (Japan) |
| ATOVS | Advanced TIROS Operational Vertical Sounder |