NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Index error
From: Bill Morris
Date: 2008 Jun 5, 03:11 -0700
From: Bill Morris
Date: 2008 Jun 5, 03:11 -0700
Well spotted, George. Should have been 0.15 minutes. Good job I don't do this for a living! Bill On Jun 5, 8:33�pm, "George Huxtable"wrote: > Bill Morris, in this and in several previos postings, comes across as a > careful and thoughtful observer, and his results should be taken seriously. > > And I go along with what he says until we get to- > > "So, my sextant-eye-brain system will give an index error of more than 0.3 > minutes away from the best estimate, the mean, one time in twenty. About 45% > of the time it will be more than about a minute and a half away from the > mean." > > That first sentence seems highly plausible, but is there some error, by a > factor of ten, in the second sentence? > > George. > > contact George Huxtable at geo...@huxtable.u-net.com > or at +44 1865 820222 (from UK, 01865 820222) > or at 1 Sandy Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK. --~--~---------~--~----~------------~-------~--~----~ Navigation List archive: www.fer3.com/arc To post, email NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---