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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
Cambridgeshire
Orwell
W side of: Malton Road
Distance (N) from Greenwich
OS map detailsOS Explorer: 209
OS grid refTL 36878.50094
(536878,250094)
WGS84 lat/long52.132204, -0.001642
TypeTree | MTL | MTL disc(s)
Marking date1998?
AccessUnrestricted. MTL disc no longer present