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Old 30th July 2003 | 12:47
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compressor stall
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Joined: Feb 2000
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From: 500 miles from Chaikhosi, Yogistan
sunrise algorithm alt correction
Trying to work out an excel spreadsheet that compensates sunrise sunset times for the effect of the observer's altitude.

I have Ed Williams Avformulary but that's for sea level...

Any pointers?
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