| Acronym | Meaning |
| ESMR | Electrically Scanning Microwave Radiometer |
| EOS | Earth Observing System |
| MISR | Multi-angle Imaging Spectro-Radiometer (EOS) |
| MSLP | MSL Pressure |
| M | Meter(s) |
| AMSU | Advanced Microwave Sounder Unit (EOS) |
| PV | PhotoVoltaic |
| NCDC | National Climatic Data Center |
| NOAASIS | NOAA Satellite Information System |
| FTS | Fourier Transform Spectrometer (HIS |