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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
LB Waltham Forest
Stratford (E15)
Downsell Road (outside No.99 & 105)
Distance (N) from Greenwich
OS map detailsOS Explorer: 174
OS grid refTQ 38649.85729
(538649,185729)
WGS84 lat/long51.553418, -0.001566
TypePavement (compass rose)
Marking date1999
AccessUnrestricted