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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
Louth
118 Eastgate
Distance (N) from Greenwich
OS map detailsOS Explorer: 282 or 283
OS grid refTF 33062.87473
(533062,387473)
WGS84 lat/long53.367379, -0.001658
TypePlaque (wall)
Marking date1984
AccessUnrestricted