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    Re: Mathematical prediction of "Manhattanhedge" ??
    From: Joe Wong
    Date: 2022 Jul 11, 17:04 -0700

    Very appreciated Frank, I shall watch that show when I get back from work. Also now I understand why some people tend to refer to bubble sextants as 'bubble octant', this matter had me puzzled for a while, until I read your post and realized that my Kollsman has a graduation range that only goes up to around 90 degress.

       
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