| Acronym | Meaning |
| HRIR | High Resolution Infrared Radiometer |
| MSLP | MSL Pressure |
| HIRIS | HIgh-Resolution Imaging Spectrometer (EOS) |
| CONUS | CONtinental (or CONterminus) United States |
| NASDA | National Space Development Agency (Japan) |
| SBUV | Solar Backscatter UltraViolet Radiometer (EOS) |
| NCEP | National Centers For Environmental Prediction (form. NMC; NWS Center) |
| FTS | Fourier Transform Spectrometer (HIS |
| KSC | Kennedy Space Center |
| NESDIS | National Environmental Satellite |