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    Re: 100:1 ratio distance measurements
    From: Richard M Pisko
    Date: 2003 Apr 4, 19:43 -0700

    On Fri, 4 Apr 2003 17:39:07 -0800, Royer, Doug wrote:
    >.Please feel free to critic my math or my
    >proceedure.Feedback on this is desired because if my method of calculating
    >the distance is wrong all of the above is wrong.Or there may be an easier
    >way to do this.
    Probably easier to use a paper strip, tick off the two
    points, and measure for your map check.  For the meter to
    yard conversion, just subtract 10 percent ... remember this
    is all pretty rough in actual use.  As you wrote it, I think
    you should have one more set of brackets:  Square root of
    ((difference in eastings)squared + (difference in
    northings)squared); just to make it a bit more clear.
    I thought the Russians used a different number of mils in
    their compasses.  I'm pretty darn sure the Chinese mortars
    didn't use 6400 mils for their circle but I can't remember
    right now how many there are.  How does your Bussol read up
    at the north end?
    Richard ...

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