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    Re: AP terminology, WAS: 2-Body Fix -- take three
    From: John Karl
    Date: 2009 Nov 11, 18:55 -0800

    Ahhhh Frank, see what I mean----
    
    All these posts, and look at the confusion:  The DR is an AP, it's one
    particular choice of an AP.  And tables have nothing to do with it.
    
    Has anyone answered the question WHY we use an AP in the intercept
    method??  To phrase it another way, since we know everything needed to
    calculate the celestial LOP (the GP's location and the altitude), why
    not just calculate the LOP directly?
    
    Waiting for the answer,
    
    JK
    
    
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