NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Ken Gebhart
Date: 2015 Jun 21, 23:18 -0500
Ken, look at these posts to bring you up to speed on the Hanno Ix-Greg Rudzinski Hav-Doniol invention. (In no particular order.)
gl
http://fer3.com/arc/m2.aspx/Doniol-Longhand-Sight-Reduction-Summary-Rudzinski-dec-2014-g29725
http://fer3.com/arc/m2.aspx/Doniol-Longhand-Sight-Reduction-Summary-Rudzinski-dec-2014-g29733
http://fer3.com/arc/m2.aspx/Gregs-article-havDoniol-Ocean-Navigator-FrankReed-jun-2015-g31625
http://fer3.com/arc/m2.aspx/Gregs-article-havDoniol-Ocean-Navigator-Rudzinski-jun-2015-g31634
http://fer3.com/arc/m2.aspx/HavDoniol-Rudzinski-jun-2015-g31685
http://fer3.com/arc/m2.aspx/HavDoniol-LaPook-jun-2015-g31684
http://fer3.com/arc/m2.aspx/HavDoniol-LaPook-jun-2015-g31695
http://fer3.com/arc/m2.aspx/Making-an-impact-with-havDoniol-Rudzinski-jun-2015-g31804
http://fer3.com/arc/m2.aspx/Making-an-impact-with-havDoniol-LaPook-jun-2015-g31805
http://fer3.com/arc/m2.aspx/Gregs-article-havDoniol-Ocean-Navigator-LaPook-jun-2015-g31698
http://fer3.com/arc/m2.aspx/Doniol-Longhand-Sight-Reduction-Summary-HannoIx-jan-2015-g30027
http://fer3.com/arc/m2.aspx/Gregs-article-havDoniol-Ocean-Navigator-HannoIx-jun-2015-g31689