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    Re: Traditional navigation by slide rule
    From: Gary LaPook
    Date: 2016 Oct 31, 16:45 -0700

    Of course the easiest way to determine whether it is worth doing the great circle is just to look at those tables that I uploaded showing the extra distance from using the rhumb line course.

    gl

    --------------------------------------

    That said, I am working on producing an Ln scale, and will be making some explicit comments about when it is worthwhile to do GC calculations.  In this connection, I am attaching a graphic that I am working with to illustrate GC/RL courses.  What will go along with it is a chart of how much longer a RL course is than a GC, and when to choose.

       
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