| Acronym | Meaning |
| EOSP | Earth Observing Scannign Polarimeter |
| AC | Alternating Current |
| DOS | Department Of Space |
| AFOE | Advanced Fiber Optic Echelle |
| UPS | Uninterruptible Power Supply |
| NESS | National Earth Satellite Service |
| GSD | Geometric Standard Deviation |
| MSS | Multi-spectral Scanner |
| OBP | Onboard Processor |
| MAPS | Millions Of Actions Per Second |