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Michel
Joined: 10 Jan 2006
Posts: 966
Location: Norway
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 Posted: Tue Mar 14, 2006 5:49 am Post subject: GPS altitude. WAS: static port location on Series 6? |
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| Quote: | From: Bradley M Webb [bmwebb(at)cox.net]
But my altimeter reads very close to what my GPS says I'm at in flight.
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Bradley, on the PocketFMS forum, we were currently discussing if we should have a kind of glide slope indicator on the moving map and HSI display. Until someone dug up a bench testing showing that aviation GPS have, at time, as much as 300 ft. altitude error readings. We immediately put the idea in the wastebin.
Cheers,
Michel
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bmwebb(at)cox.net
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| Posted: Tue Mar 14, 2006 2:14 pm Post subject: GPS altitude. WAS: static port location on Series 6? |
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Yes, I've heard that too. But was that when the U.S. Military degraded the
GPS signal? It's no longer degraded, and should be within 10 meters (?)
accuracy, IIRC.
Based on the way GPS works, that error is in all 3 dimensions, not just
altitude. GPS doesn't know or care which dimension you're in.
Bradley
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bmwebb(at)cox.net
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| Posted: Tue Mar 14, 2006 2:32 pm Post subject: GPS altitude. WAS: static port location on Series 6? |
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Check this page out: http://users.erols.com/dlwilson/gps.html
Bradley
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