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    Re: Question re. A and B factors (corner cosines) lunars
    From: Jaap vd Heide
    Date: 2012 Jan 24, 01:25 -0800

    Franks example obviously has its limits, as in case Paris would have been due east from Chicago, Chicago is on a great "circle of equal distance to Paris" and Waukegan - being due North - isn't. The difference obviously depends on the ratio between the distance North of Chicago considered in respect to the distance (tied to the radius of the mentioned circle) to the far reference point. (in the example Paris)

    Just my two cents,

    Jaap
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