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Prime Meridian

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Prime Meridian - definition(s)

prime meridian - [coordinate systems] In a coordinate system, any line of longitude designated as 0 degrees east and west, to which all other meridians are referenced. The Greenwich meridian is internationally recognized as the prime meridian for most official purposes, such as civil timekeeping.

[Category=Geospatial ]

Source: esri, 17 July 2012 08:07:12, External 

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