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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)
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Telescopes used with Meridian Marks
 
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LocationEngland
East Sussex
Chailey
Lane End Common, Newick Hill
Distance (S) from Greenwich
OS map detailsOS Explorer: 135
OS grid refTQ 40378.22310
(540378,122310)
WGS84 lat/long50.983090, -0.001523
TypeObelisk/Pillar
Marking date1953
AccessUnrestricted