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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Bowditch 1995 Table 18
From: Pierre Boucher
Date: 2005 Feb 2, 09:07 -0500
From: Pierre Boucher
Date: 2005 Feb 2, 09:07 -0500
Bill wrote : > My premises: > > Bearing is the direction (cardinal angle) between the observer's north and > the object, true or magnetic. That being clockwise, 0 to 360 or 0 to > 359.xxx. > > Relative bearing is the angle between the bow end of the lubberline and the > object, clockwise, 0 to 359,xxxd (or 0 to 360d, depending on your religion > ;-) Or 0 to 180 on the starboard and 0 to 180 on the port > My example, by the book: > > Course 2d true, object and shoreline to port > First bearing 295d true, difference 293 d > Second bearing, 245d true, difference 243d 293d or 67d on the port side 243d or 117d on the port side Pierre Boucher ************************************************************************ Pierre Boucher N formation en navigation de plaisance Ste-Therese (Quebec) Canada la "VOILE" ... le reste n'est que du vent... "Sail, Sail !"... the rest is only wind... EMAIL: pboucher@lavoile.com http://www.lavoile.com ************************************************************************