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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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Telescopes used with Meridian Marks
 
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LocationEngland
Hertfordshire
Between Buckland & Barkway
S side of: unnamed road (from Buckland to Barkway)
Distance (N) from Greenwich
OS map detailsOS Explorer: 194
OS grid refTL 37311.34442
(537311,234442)
WGS84 lat/long51.991461, -0.001608
TypeTree | MTL?
Marking date2000?
AccessUnrestricted