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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
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International Meridian Conference (1884)
Meridian Day (1984)
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LocationEngland
LB Waltham Forest
Leyton (E10)
Essex Road (outside No.30)
Distance (N) from Greenwich
OS map detailsOS Explorer: 174
OS grid refTQ 38593.88046
(538593,188046)
WGS84 lat/long51.574252, -0.001460
TypePavement (slab)
Marking date26 Jun 1984
AccessUnrestricted