NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Exercise #10 Star Fix
From: Jeremy C
Date: 2008 Jun 7, 20:41 EDT
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From: Jeremy C
Date: 2008 Jun 7, 20:41 EDT
John,
Interesting way of plotting. Totally different from what I was
taught. When I get home and have access to a scanner, I will plot all of
these fix exercises on the Universal Plotting sheets and attach them with the
methods I was taught. I would have thrown out the skewed lines and not
even plotted them (Arcturus for example).
As far as scale goes, that is a good scale for a "day's run" We use
the larger scale plotting sheets (9## series) for general ocean
navigation. Those have set latitudes, but open longitudes. I also
use the larger scale on the exams as they are a bit more accurate and easier to
set up.
Jeremy
In a message dated 6/8/2008 10:23:11 A.M. West Pacific Standard Time,
jfcole@tokopah.com writes:
Mike:
My plotting sheet is attached. Yes, I should have used a larger scale! The
LOPs are the red lines.
My solution is "manual" in the sense that all the daily data and corrections
are looked up in the nautical almanac and entered into an Excel spreadsheet
that basically follows the instructions in the back of the almanac, corrects
the sextant reading, interpolates between the tabulated almanac values, and
solves the triangle.
John
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