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Standard sea level temperature and pressure

Subject: Standard sea level temperature and pressure
From: Marc Bernstein (marc.bernstein@XXX.XXX)
Date: Mon Jan 13 2003 - 14:41:33 EST

For the purposes of correcting sextant altitudes standard sea level
temperature and pressure (STP) are 10C and 1010mb. I am curious if anyone
knows how these were selected as in the meteorological and aviation world
the standard values are 15C and 1013.25 mb.



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