| Acronym | Meaning |
![](file.png) | AC | Alternating Current |
![](file.png) | EM | ElectroMagnetic |
![](file.png) | DCS | Data Collection System (NOAA Polar Orbiting Satellites) |
![](file.png) | NASA | National Aeronautics And Space Administration |
![](file.png) | HIRDLS | HIgh-Resolution Dynamics Limb Sounder (EOS) |
![](file.png) | UHF | Ultra High Frequency |
![](file.png) | METEOSAT | METEOrological SATellite (European) |
![](file.png) | CRAS | CIMSS Regional Assimilation System |
![](file.png) | NWS | National Weather Service (NOAA) |
![](file.png) | PPM | Part Per Million |