| Acronym | Meaning |
| HRIR | High Resolution Infrared Radiometer |
| EROS | Earth Resources Observing System |
| ITOS | Improved Television And Infrared Observation Satellite (1970s) |
| TMR | TOPEX Microwave Radiometer (EOS) |
| HSRL | High Spectral Resolution Lidar |
| CRAS | CIMSS Regional Assimilation System |
| MAS | MODIS Airborne Simulator |
| SSEC | Space Science And Engineering Center |
| NASA | National Aeronautics And Space Administration |
| AMRIR | Advanced Medium Resolution Infrared Radiometer |