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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)
The Millennium
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Astronomers Royal
Telescopes used with Meridian Marks
 
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LocationEngland
East Yorkshire
Withernsea
N side of: B1362 (Hull Road)
Distance (N) from Greenwich
OS map detailsOS Explorer: 292
OS grid refTA 31935.27563
(531935,427563)
WGS84 lat/long53.727786, -0.001688
TypeSign on post(s)
Marking datec. 2000?
AccessUnrestricted