| Acronym | Meaning |
 | M | Meter(s) |
| NCEP | National Centers For Environmental Prediction (form. NMC; NWS Center) |
| ESSP | Earth System Science Pathfinder Mission (ESSP) |
| TMR | TOPEX Microwave Radiometer (EOS) |
| GMT | Greenwich Mean Time (repl. By UTC) |
| OSO | Orbiting Solar Observatory |
| GEOSAT | GEOdetic SATellite |
| PIFTS | Planetary Imaging Fourier Transform Spectrometer |
| UV | UltraViolet |
| NCAR | National Center For Atmospheric Research |
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