| Acronym | Meaning |
| TOS | TIROS Operational Satellite |
| ASTER | Advanced Spaceborne Thermal Emission And Reflection Radiometer (EOS) |
| MSLP | MSL Pressure |
| NCEP | National Centers For Environmental Prediction (form. NMC; NWS Center) |
| AERI | Atmospheric Emitted Radiance Interferometer |
| LASER | Light Amplification By Stimulated Emission Of Radiation |
| NASDA | National Space Development Agency (Japan) |
| FSL | Forecast Systems Laboratory (a NOAA ERL) |
| PPM | Part Per Million |
| LED | Light Emitting Diode |