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    From: Michael Dorl
    Date: 2003 Nov 29, 08:17 -0600

    As an exercise in learning Microsoft c++ and windows programming, I wrote a
    small application to
    reduce a set of sights.  It's assumed that the sights are all taken from
    the same location (my back
    porch does not move).
    The sights are read from a file and can be edited, printed, saved, etc.
    The program calculates the two possible locations for each pair of sights.
    The equal altitude circle for each sight is drawn to a meta-file and the
    meta-file can be displayed in a
    pop up window.  You can select an area of the display and zoom in on it to
    get an idea of how the sights
    agree and at what angles the circles intersect.
    The .exe file is about 120KB, the source code is about 250KB.  I used
    Microsoft c++ version 6.0.  I'm willing
    to share both with anyone who will give me some constructive
    feedback.  This is a work in progress.

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