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: Peter Fogg
Date: 2007 Apr 07, 06:58 -0000
From: Peter Fogg
Date: 2007 Apr 07, 06:58 -0000
Frank wrote: > ... with three sights you can't eliminate systematic > error unless you know in advance somehow that it is present. What you can do is eliminate random error as much as possible (eg; analysis of slope) and then treat remaining error as being systematic. In practice this is what surveyors did - and what they were explicitly taught to do. Via these (and other) techniques they were able to establish positions to the nearest second of arc. --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to NavList@fer3.com To , send email to NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---