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» Online Classroom   » Tech Support   » Celestial Navigation Course   » Time subtraction rule TS-3

   
Author Topic: Time subtraction rule TS-3
David Burch


 - posted September 02, 2009 08:23 PM      Profile for David Burch           Edit/Delete Post 
change +1m to +60m after subtracting 1h.

[fixed Mar 21, 2011 ID ebook]

From: Starpath, Seattle, WA


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