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Old April 2nd 07, 09:43 PM posted to rec.aviation.piloting
Steven P. McNicoll
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Default Altimeter Calibration Height


"Don Tuite" wrote in message
...

Tangential question for Steven:

I think you work in a control tower. If you work in a center in a
building at ground level, pretend you work in a tower.


I presently work in a tower, I used to work in a center.



You have a barometer there that tells you the sea-level pressure at
the airport. (That is, what a pressure gauge would read if you dug a
hole down to sea level and read the pressure down there.) That's the
pressure you announce on ATIS.

When the barometer was calibrated, did the calibration take into
account the height of the control tower?


We don't have a barometer in the tower. We have an ASOS on the field,
that's the source of the altimeter setting we put on the ATIS.