| Acronym | Meaning |
| SAM | Sun-angle Magnetometer |
| FDMA | Frequency Division Multiple Access |
| CAC | Climate Analysis Center |
| SMA | Segnalamento Marittimo Ed Aereo |
| NCMRWF | India's National Centre For Medium Range Weather Forecasting |
| RPI | Rensselaer Polytechnec Institute |
| HMS | High-altitude Multispectral Sounder |
| ADISS | Analytical Data Interchange And Storage Standards |
| POGO | Polar Orbiting Geophysical Observatory |
| EED | Exposure Evaluation Division |