NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Systematic error and its resolution
From: Geoffrey Kolbe
Date: 2007 Apr 06, 19:20 +0100
From: Geoffrey Kolbe
Date: 2007 Apr 06, 19:20 +0100
Sorry Alex, having written the first sentence, I then later amended it, so making it incorrect. It is easy to determine the Index Error of a marine sextant, but not of bubble sextants. Apologies for the confusion. Geoffrey At 17:24 06/04/2007, you wrote: >Geoffrey, > >How do you determine the index error of a bubble >sextant? >I understand that some bubble sextants have two >optical paths, one of them for the horizon observations. >But if I understand correctly what sextant you are using, >it does not have >this option. So how do you determine its index error? > >In particular, I don't understand the sentence in your message >"can be easily determined at the start of a round of sights". >How? > >Alex. --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to NavList@fer3.com To , send email to NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---
