tdawson-townsend(at)auror Guest
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Posted: Mon May 28, 2007 9:14 pm Post subject: On board radar |
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Russ:
I concur that you need to keep a clear separation between satellite weather and “on-board radar”. As others have pointed out, there is a several-minute delay for NEXRAD data to be collected, assembled, sent over the satellite, and received. This is a lot different from on-board radar that gives an instant view of the weather ahead.
While working on XM weather when I was at Avidyne, that was a big concern for us and the FAA – namely, that someone is going to try and use XM (or WSI) NEXRAD information to “thread the needle” between weather cells and they get whacked because their information is a few minutes old.
Certainly use XM to avoid weather, but still give it a wide berth. Don’t think you can snake your way through the middle and save 10 minutes . . .
TDT
Tim Dawson-Townsend
Aurora Flight Sciences
tdt(at)aurora.aero
617-401-2522
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