NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: accuracy of automatic celestial navigation
From: Rodney Myrvaagnes
Date: 2002 Dec 7, 00:34 -0500
From: Rodney Myrvaagnes
Date: 2002 Dec 7, 00:34 -0500
On Sat, 7 Dec 2002 00:05:53 +0000, George Huxtable wrote: > >For those of us that sail our small craft out at sea, my opinion is that if >we can achieve a precision of 2 min, we are doing pretty well. What do >others think? > I haven't been able to do much better than that, except under exceptionally smooth conditions. I am talking about boats in the 30-36 foot range. I have never tried a scope of greater than 3X, but I doubt that it would help on boats that size. I have a 1957 Kelvin-Hughes sextant. Other observations with a Davis Mk 10 have not been much worse, as long as I redid the index error between shots to allow for the plastic moving with temperature. Rodney Myrvaagnes NYC J36 Gjo/a "Never eat more in a single day than your head weighs." --Jim Harrison
