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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Station pointer London UK
From: Bill B
Date: 2012 Apr 04, 16:35 -0400
From: Bill B
Date: 2012 Apr 04, 16:35 -0400
> b) "There is only one solution". There are generally 2 solutions. > The are usually far apart, if one takes the right objects to > measure angles between them, and one of the solutions is usually on land. > Geometrically, these solutions are the points of intersection > of two circles (position lines). Two circles usually intersect at 2 points. Many years ago there was a discussion on how the distance the three objects could give an incorrect fix. Something like the middle object being much closer or further than the other two. Dose anyone remember the title of that thread or the warning? Thanks Bill