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    Re: Nautical Slide Rule
    From: David Pike
    Date: 2017 Aug 25, 14:22 -0700

    Hi David, I have to admit you are way over my head, but don't try to clarify just yet.  Let me follow your directins and play with it some.  I will report back.Thanks. Calvin

    Calvin.  I've drafted up an explanation of the course to steer thing, but I'll wait a couple of days to see what you come up with.  The photo of the height of tide mod didn't survive the trip though the ether, so I'm sending different one in the hope that this one does survive. DaveP 



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