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Windsor Castle Fundamental Bench Mark   


Location
Grid reference: SU 9730 7697.
Landranger 175: Reading & Windsor, Henley-on-Thames & Bracknell.
Landranger 176: West London, Rickmansworth & Staines.
Explorer 160: Windsor, Weybridge & Bracknell.
GPS network passive station: H1SU9776.
Waypoint: FM7252.

Neighbouring Flush Brackets
1027 Windsor Castle Lodge 439.32m to the northwest.
1070 Windsor, Town Hall 519.23m to the west.
1024 Windsor Bridge 613.27m to the northwest.
1069 Eton College 1.16km to the northwest.
G3546 Windsor, Home Farm 1.31km to the southeast.
The nearest fundamental bench mark is Hemel Hempstead, 33.79km to the north.

Second Geodetic Levelling, England & Wales (1912-21)
This fundamental bench mark was used during the Second geodetic levelling, England & Wales, and was levelled with a height of 157.1930 feet [47.9124 metres] above mean sea level (Newlyn datum). It was included on the Croydon to Windsor Castle, Hemel Hempstead to Windsor Castle and Windsor Castle to Wallingford levelling lines.

Third Geodetic Levelling, England & Wales (1950-68)
This fundamental bench mark was used during the Third geodetic levelling, England & Wales, and was levelled with a height of 157.1930 feet [47.9124 metres] above mean sea level (Newlyn datum). It was included on the Wallingford to Windsor Castle and Windsor Castle to Croydon levelling lines.

Logged Visits
Visited on 22nd August 2009 by asteroth. Condition: Inaccessible.
Got as far as the back garden (East Terraced Garden) and no further.Police/Armed guard and an airport security search to get this far,Not for the eyes of a mere common peasant like me.Going to have to get a job as the Queen's Royal Gardner to see this one.

Visited on 26th June 2009 by pkbathrooms. Grid reference: SU 97300 76970. Condition: Unknown.
inaccesible

Visited on 7th June 2006 by Griefmiester. Condition: Inaccessible.
Logged for completeness - looked for this when finding TP0633 - Windsor castle FBM Aux 1 - clearly not going to be generally accessible to the masses :(
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