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    Re: Lunar trouble, need help
    From: Geoffrey Kolbe
    Date: 2008 Jul 09, 07:42 +0100

    NavList 5754 Bill wrote:
    >"WGS84 longitudes, which are used by satellite navigation systems, differ
    >slightly from traditional longitudes. The WGS84 zero meridian is 102.5
    >metres (336.3 feet) to the east of the line marked at Greenwich....
    >Curiously, whether by accident or design, the location of the WGS84 0�
    >meridian is marked in Greenwich by the presence of a waste basket on the
    >path leading more or less due east from the observatory containing the
    >transit telescope."
    >Bill B.
    Ha ha! Yes, if you look at Greenwich observatory in Google Earth, the waste 
    bin - at the junction of two foot paths to the East of the Flamstead 
    building - can be clearly seen. The bin was obviously placed for 
    convenience at the junction of the two footpaths, rather than to mark the 
    GPS version of the Prime Meridian. :-)
    Geoffrey Kolbe 
    Navigation List archive: www.fer3.com/arc
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