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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)
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Astronomers Royal
Telescopes used with Meridian Marks
 
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LocationEngland
East Sussex
Peacehaven
Promenade (at junction with Horsham Avenue)
Distance (S) from Greenwich
OS map detailsOS Explorer: 122
OS grid refTQ 40954.00790
(540954,100790)
WGS84 lat/long50.789551, -0.001616
TypeFinger post | Ground (line)
Marking datec. 1934
AccessUnrestricted