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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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Meridian Day (1984)
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LocationEngland
Essex
Waltham Abbey
Meridian Way (A121)
Distance (N) from Greenwich
OS map detailsOS Explorer: 174
OS grid refTQ 38274.99587
(538274,199587)
WGS84 lat/long51.678035, 0.001508
TypeRoad name
Marking dateUnknown
AccessUnrestricted