NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Cocked hats, again.
From: Peter Fogg
Date: 2007 Mar 17, 07:12 +1100
From: Peter Fogg
Date: 2007 Mar 17, 07:12 +1100
Gary wrote:
Gary, I would be the last one to suggest that error should be ignored. However, I would argue that error should be addressed, as much as possible, before the construction of position lines, in a useful way that leads to more accurate LOPs. That will be more likely to avoid those rocks than somewhat useless worrying about not knowing where one is as a result of faulty LOPs.
Only gross error will lead to a position well away from the position line that should represent it.
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Even if you don't know what the sigma numerically is it doesn't mean
that it doesn't exist and that you can ignore it.
By "significantly" I mean rocks in the bilge.
Gary, I would be the last one to suggest that error should be ignored. However, I would argue that error should be addressed, as much as possible, before the construction of position lines, in a useful way that leads to more accurate LOPs. That will be more likely to avoid those rocks than somewhat useless worrying about not knowing where one is as a result of faulty LOPs.
Only gross error will lead to a position well away from the position line that should represent it.
--~--~---------~--~----~------------~-------~--~----~
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To unsubscribe, send email to NavList-unsubscribe@fer3.com
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