NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Pub. 229 vs. 249 table formats
From: Jeremy C
Date: 2008 Jun 6, 01:19 EDT
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From: Jeremy C
Date: 2008 Jun 6, 01:19 EDT
Greg wrote: "Assuming they were using the same formula that we use
to solve the navigational
triangle today (and I don't know if that's the case or not)..."
triangle today (and I don't know if that's the case or not)..."
They give the formulae they used for both Hc and Zn in the preface of the
book. Since HO 229 is given as a reference in the USCG exam, I used the
formulae given in the text to find Hc and Zn in the exams on my calculator with
a quick check of the tables to make sure I didn't make an error.
Jeremy
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