| Acronym | Meaning |
![](file.png) | HIRS | High-resolution Infrared Radiation Sounder |
![](file.png) | DORIS | Doppler Orbitography And Radiopositioning Integrated By Satellite (EOS) |
![](file.png) | ENSO | El Ni?o/Southern Oscillation |
![](file.png) | JPL | Jet Propulsion Laboratory |
![](file.png) | GPS | Global Positioning System |
![](file.png) | PV | PhotoVoltaic |
![](file.png) | SSU | Stratospheric Sounding Unit (TOVS) |
![](file.png) | LIDAR | LIght Detection And Ranging |
![](file.png) | CRAS | CIMSS Regional Assimilation System |
![](file.png) | AIRS | Atmospheric InfraRed Sounder (EOS) |