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    Re: Which Latitude of HO-249 to use?
    From: Robert Bernecky
    Date: 2015 Feb 16, 13:22 -0800

    At 41º 30' it's a toss up. But at 41º 42',  42º is the better choice. It will give shorter intercepts, which should be just a bit more accurate, and perhaps easier to plot.  But as you will see, it will not make a huge difference.

       
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