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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
Millennium Tree Line (MTL)
Meridian Laser
Astronomers Royal
Telescopes used with Meridian Marks
 
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LocationEngland
Cambridgeshire
Orwell
W side of: Malton Road
Distance (N) from Greenwich
OS map detailsOS Explorer: 209
OS grid refTL 36872.50034
(536872,250034)
WGS84 lat/long52.131666, -0.001754
TypeObelisk/Pillar
Marking date31 Dec 2000
AccessUnrestricted
Greenwich Meridian Marker; England; Cambridgeshire; Orwell
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Currently viewing images from 05 Sep 2011
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06 May 2018
05 Sep 2011
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07 Oct 2007
18 Sep 2005
20 Feb 2005

The Astronomer Royal, Sir Martin Rees (now Lord Rees), also unveiled the Millennium Sundial, located on the Meridian a couple of miles to the south in the neighbouring village of Meldreth.