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    Re: Sign of d in HO249
    From: David Iwancio
    Date: 2020 Apr 24, 00:31 -0700

    HO 229 volumes are broken up into two "chapters" covering 8° each so that the LHA values would be as unique as page numbers.  HO 214 (and 249 to a lesser extent) can still require some flipping back and forth once you reach a page with the correct latitude on it.

    Personally, one thing I like about HO 229 is how the Contrary-Same line also works as your horizon.

       
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