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    Re: Graphic method
    From: Marco Costa
    Date: 2012 Feb 18, 07:12 -0800

    Thanks for the input.
    Actually prior to starting a on-line course in Cal Nav last November I did not have a clue how this thing worked nor was aware of prior similar works. I found later that in the 2002 Bowditch edition, a graphical relation between LHA,Hc,Zn is suggested without any equivalencies, and I have not been able to use it for problems solving.I'll review the attached 1599 notes.
    I'll try to attach a manuscript that I made explaining how my method works.
    If it does not go through, I'll try again from another computer tomorrow.
    I'll be happy to answer to any questions, step by step if needed.
    Have fun and a great weekend.
    Marco

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