| Acronym | Meaning |
![](file.png) | APS | Autocorrelated Photon Spectroscopy |
![](file.png) | AGDATS | Air-Ground Data Telemetry System |
![](file.png) | WFF | Wallops Flight Facility |
![](file.png) | ACFM | Alternating Current Frequency Modulation |
![](file.png) | CCB | Center For Capacity Building |
![](file.png) | PB | Product Of Polarization And Brightness |
![](file.png) | IWG | Implementation Working Group |
![](file.png) | ULTRIX | UNIX-based Operating System For Digital Equipment Corporation Computers |
![](file.png) | RGB | Red |
![](file.png) | GDAS | Global Data Assimilation System |