| Acronym | Meaning |
| ITS | Interferometer Thermal Sounder (HIS) |
| EARTHKAM | Earth Knowledge Acquired By Middle-schoolers |
| ESMR | Electrically Scanning Microwave Radiometer |
| HSB | Humidity Sounder For Brazil |
| MODIS | MODerate-resolution Imaging Spectroradiometer (EOS) |
| DORIS | Doppler Orbitography And Radiopositioning Integrated By Satellite (EOS) |
| AOS | (Department Of) Atmospheric And Oceanic Sciences |
| ERBS | Earth Radiation Budget Satellite |
| EM | ElectroMagnetic |
| AOT | Aerosol Optical Thickness |