| Acronym | Meaning |
| AVHRR | Advanced Very High Resolution Radiometer |
| MAMS | Multispectral Atmospheric Mapping Sensor |
| HIRDLS | HIgh-Resolution Dynamics Limb Sounder (EOS) |
| GPS | Global Positioning System |
| JSC | Johnson Space Center (NASA |
| HSB | Humidity Sounder For Brazil |
| RAOB | RAdiosonde OBservation |
| UFO | Unidentified Flying Object |
| GMT | Greenwich Mean Time (repl. By UTC) |
| ERBE | Earth Radiation Budget Experiment |