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    Re: correct way to draw LOPs
    From: Rick Emerson
    Date: 1999 Jun 22, 09:36 EDT

    Russell Sher writes:
     > Thanks for the advice - I had always assumed an arrowhead at each end (and
     > double for advanced LOP) - by the way what do you mean by 'An LOP is
     > perpendicular to the bearing' ... ? Are you assuming a celestial LOP here
     > (perpendicular to the azimuth?) In the case of (say) a bearing of a known
     > shore object, for coastal nav. this would of course not be the case -
     > right?, do you still use an arrowhead at each end in this case - with the
     > LOP drawn through the object for a short distance?
    As I said to Russell, my comment was a case of my fingers being faster
    than my brain.  Range-based LOP's are perpendicular while
    bearing-based LOP's indeed lie on the bearing line (i.e., are not
    As to the question of arrows, they're not used in the most recent
    Bowditch.  I was introduced to using arrows on an Ocean Star trip.  I
    find arrows helpful in clarifying which LOP's are original and which
    are advanced.
    S/V One With The Wind, Baba 35

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