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Summary

Description
English: Blackwall: Virginia Quay and the Greenwich Meridian The line down the middle of the avenue represents the Greenwich Meridian, and carries on up the building in the distance. Incidentally don't take your GPS receiver to this line and expect it to read 0˚ 00' 00".00000 W longitude! This is because the GPS system uses World Geodetic System 1984 (WGS84) longitudes which are defined, simply, in terms of the geometric centre of the Earth, whereas the Greenwich Meridian is defined in terms of the gravitational centre of the Earth, which is slightly different. 0˚ 00' 00".00000 W longitude on your GPS should appear about 100 metres east of this location, near the Virginia Quay memorial, whereas you should read about 0˚ 00' 05".7 W longitude here on this line. As an aside (!) this is the Barratt-built Virginia Quay housing development.
Date
Source From geograph.org.uk
Author Nigel Cox
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InfoField
Nigel Cox / Blackwall: Virginia Quay and the Greenwich Meridian / 
Nigel Cox / Blackwall: Virginia Quay and the Greenwich Meridian
Camera location51° 30′ 28″ N, 0° 00′ 07″ W  Heading=0° Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo
Object location51° 30′ 28″ N, 0° 00′ 07″ W  Heading=0° Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

Licensing

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attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: Nigel Cox
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Captions

Blackwall: Virginia Quay and the Greenwich Meridian
title: Blackwall: Virginia Quay and the Greenwich Meridian (English)

1 May 2008

51°30'28.1"N, 0°0'7.2"W

heading: 0 degree

51°30'28.1"N, 0°0'7.2"W

heading: 0 degree

image/jpeg

66e0a710ebf6e6c35d4dfd12addddc00b9ab55c4

102,612 byte

480 pixel

640 pixel

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current00:46, 20 February 2011Thumbnail for version as of 00:46, 20 February 2011640 × 480 (100 KB)GeographBot== {{int:filedesc}} == {{Information |description={{en|1=Blackwall: Virginia Quay and the Greenwich Meridian The line down the middle of the avenue represents the Greenwich Meridian, and carries on up the building in the distance. Incidentally don't take

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