NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Noon sun fix example
From: Jeremy C
Date: 2009 Sep 21, 05:49 EDT
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From: Jeremy C
Date: 2009 Sep 21, 05:49 EDT
Hi Hewitt,
Thanks for taking the time to do this via the table method. I have to
say that I am pretty disappointed with the longitude determination from this
method. 4.3' is a pretty big error in my book and would send me looking
for math or sight errors if it happened out here. I find it curious why
there is such a difference between this method and the ones Peter and I used to
get much more accurate fixes.
Being unfamiliar with the book that you used, I am wondering if there is
some explanation as to why the results differ so greatly.
Jeremy
In a message dated 9/19/2009 10:06:35 A.M. Eastern Daylight Time,
hhew36@gmail.com writes:
Hi Jeremy -
Here's a paper-and-paper method of finding Longitude at Noon based on
the motion correction table published in Latitude and Longitude by the
Noon Sight.
My work sheet is the .doc attachment.
The table scan is the .jpg attachment.
As you'll see, this method differs from your 1300 GPS by .4' in Lat
and 4.3' in Lon.
Thanks for providing data from actual combat conditions. :-)
Hewitt
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