NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Leap second today
From: Geoffrey Kolbe
Date: 2012 Jul 02, 06:04 +0100
From: Geoffrey Kolbe
Date: 2012 Jul 02, 06:04 +0100
Gary wrote: >Before I would start worrying about the difference between UT1 and >UTC, I would first have to figure out how to time the sight to a >precision of better one second. > >gl It is an argument that the precision of marine sextant measurements is such that we need not bother ourselves about the difference between UT1 and UTC, but for other users of the NA such as surveyors or land based navigators who would use a theodolite, the limiting factor becomes the accuracy of the NA tables and their accuracy is better than one second. Geoffrey Kolbe