Re: Altitude reading on aircraft

Date:         30 Mar 98 04:31:15 
From:         Don Holmes <dholmes1@ibm.net>
Organization: IBM.NET
References:   1
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billaryclinton@hotmail.com wrote:
> On a flight from Frankfurt to Johannesburg I used my Garmin GPS 12 XL and I
> compared the readings with those on the movie screen when "flight tracker" is
> on ... the altitude sometimes deviated by several hundred meters

I would say the 12XL primary purpose was for hiking and that altitude is always
'ZERO', your feet on the ground!  With SA you can forget about the altitude
figure meaning anything!