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Royal Observatory Greenwich
Latitude and Longitude
Airy Transit Circle (ATC)
WGS84 and the Greenwich Meridian
The Greenwich Meridian before the ATC
The Quest for Longitude
International Meridian Conference (1884)
Meridian Day (1984)
The Millennium
Millennium Tree Line (MTL)
Meridian Laser
Astronomers Royal
Telescopes used with Meridian Marks
 
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LocationEngland
Lincolnshire
Winceby
footpath (Snipe Dales)
Distance (N) from Greenwich
OS map detailsOS Explorer: 273
OS grid refTF 33588.68720
(533588,368720)
WGS84 lat/long53.198784, -0.001634
TypeBoulder
Marking date1999
AccessRestricted (park opening hours)