NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Leg 56
From: Dan Hogan
Date: 1999 Jul 18, 9:40 AM
From: Dan Hogan
Date: 1999 Jul 18, 9:40 AM
Millard: I have seen a few small boat sailors and fishermen plot using Magnetic. But since day one I was taught to plot on charts or plotting sheets only true course. Then to do TVMDC for magnetic/CC. The reason being that variation will vary with your position and deviation with your heading. [Snip] >He was working with True Course and I >had taken the variation from the charts and converted my course to >magnetic. When I asked him did he consider the variation, he realized we >had the same course only one was true and the other magnetic. We set the >auto helm to the course corresponding to the compass course, and to my >amazement Block Island, RI showed up a day and three quarter later. We >never touched the helm until the entry into the Great Salt Pond at New >Harbor, Block Island, RI. Dan Hogan WA6PBY dhhogan@nav.cnchost.com http://nav.cnchost.com Catalina 27 "GACHA"
