| Acronym | Meaning |
| UHF | Ultra High Frequency |
| OSO | Orbiting Solar Observatory |
| POES | Polar Operational Environmental Satellite |
| AVHRR | Advanced Very High Resolution Radiometer |
| IES | Institute For Environmental Studies (UW) |
| MAS | MODIS Airborne Simulator |
| CIMSS | Cooperative Institute For Meteorological Satellite Studies |
| HST | Hubble Space Telescope |
| AC | Alternating Current |
| HIRES | HIgh RESolution |