NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Error ellipse proportions
From: Andrés Ruiz
Date: 2017 Jun 9, 11:07 +0200
Originally, the method was published in this paper:
From: Andrés Ruiz
Date: 2017 Jun 9, 11:07 +0200
This algorithms is very robust and one of my favorites.
Optimal Estimation of a Multi-Star Fix, C. De Wit. NAVIGATION, Vol.21 , No. 4, Winter 1974-75, pp 320-325
And adopted by the Nautical Almanac(USNO) and by HM Nautical Almanac Office (UK).
Years ago I exchanged some emails with Kaplan and Hohenkerk about this issue.
I describe it in detail in: "Celestial Fix - n LoPs NA Sight Reduction algorithm. Paper & Excel"
available at https://sites.google.com/site/navigationalalgorithms/papersnavigation
Also the mathematical basis under a matrix approach is explained.
Fair winds and following seas.
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