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GPS antenna height

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Flybuddy View Drop Down
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    Posted: 28 May 2019 at 6:33pm
Originally posted by chflyer chflyer wrote:

You mean companies are installing IFD's in their 747s ??
 ;-) ;-)


Given that the weight of pilots keeps going up, I'll bet there are a lot of widebodies flying with IFDs :)
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chflyer View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote chflyer Quote  Post ReplyReply Direct Link To This Post Posted: 28 May 2019 at 12:32pm
You mean companies are installing IFD's in their 747s ??
 ;-) ;-)
Vince
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Post Options Post Options   Thanks (0) Thanks(0)   Quote AviSteve Quote  Post ReplyReply Direct Link To This Post Posted: 28 May 2019 at 9:41am
The GPS altitude is adjusted by that amount.  While still important, in small aircraft it's not all that significant since you're probably looking at around 5 or 6 feet.  For a 747, it's much more significant at probably 40 or 50 feet.
Steve Lindsley
Avidyne Engineering
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Post Options Post Options   Thanks (0) Thanks(0)   Quote scott_757 Quote  Post ReplyReply Direct Link To This Post Posted: 28 May 2019 at 9:09am
What is the significance of the GPS antenna height setting in the IFD settings?  Curious what issues might be seen if it is set incorrectly.

Thanks,

-Scott

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