Orchid XP v8 wrote:
> because the GPS fix isn't very accurate.

Yes, that's another behavior. I don't think it's because the GPS fix is 
inherently inaccurate, but more that it's not especially reliable. You 
wouldn't want your navigation to turn off every time you went through a 
tunnel, either.

-- 
Darren New, San Diego CA, USA (PST)
  "How did he die?"   "He got shot in the hand."
     "That was fatal?"
          "He was holding a live grenade at the time."

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