| Acronym | Meaning |
| OSO | Orbiting Solar Observatory |
| ERSC | Environmental Remote Sensing Center (IES) |
| HIRIS | HIgh-Resolution Imaging Spectrometer (EOS) |
| MAMS | Multispectral Atmospheric Mapping Sensor |
| MODIS | MODerate-resolution Imaging Spectroradiometer (EOS) |
| ATOVS | Advanced TIROS Operational Vertical Sounder |
| GEWEX | Global Energy And Water Cycle EXperiment (WCRP) |
| TOVS | TIROS Operational Vertical Sounder |
| EDC | EROS Data Center |
| NCAR | National Center For Atmospheric Research |