| Acronym | Meaning |
![](file.png) | TAP | Diffusion Transport Models |
![](file.png) | NMD | NASA Master Directory |
![](file.png) | UMC | UCAR Managment Committee |
![](file.png) | RECOURSE | Revision Control Unifying Related Environments |
![](file.png) | ENVISAT | European Environmental Satellite |
![](file.png) | PPS-PODS | Precise Position System- Precise Orbit Determination System |
![](file.png) | AIV | Aviation-impact Variable |
![](file.png) | DCO | Delayed Compliance Order |
![](file.png) | RIDGE | Ridge Interdisciplinary Global Experiment |
![](file.png) | VNTSC | Volpe National Transportation Systems Center |