The way I see it, if you have two stations, one on the ground at 350 feet
MSL, and the other on the ground (on top of a mountain) at 5000 feet MSL,
and they are both "nearby", then the one that is actually at 5000 feet
MSL
will give an altimeter setting that will be more accurate for an airplane
that's flying at 5000 feet MSL.

Both stations use a corrected reading; it's the altimeter aboard the
aircraft the will need to adjust for temperature, air pressure being
constant.


--
Matt
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Matthew W. Barrow
Site-Fill Homes, LLC.
Montrose, CO