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    Re: Compass Rose
    From: Nigel Gardner
    Date: 2001 Mar 24, 5:45 AM

    Certainly for general directions just saying 'head SSE' is often all that
    is needed for say pilotage, I used to sail a boat some years ago that had a
    rather splendid compass with pelorus, alidade and other fancy gizmos,
    during the day one had a choice of degrees or points to choose from but at
    night only the points were illuminated, so if some precise courses were
    required then the form was to take the courses off the chart in degrees and
    then convert them by means of Mr Norie's magnificent frontispiece to
    Regarding "N 45 E", "S 20 W", when I used to 'astro' for a living we used
    to calculate our azimuths in term of the elevated pole and whether the body
    was East or West of the local meridian. Thus an early morning sun shot in
    Summer off Australia might have as Z, S123E, this was just as easy to plot
    as 360 notation and meant one less arithmetical step to go wrong.

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