Belfast Lough
GML Report Print View

Belfast Lough Open
Datum Details [VALID]
Name: Belfast Lough
Code: 5131
Type: vertical
Usage:
Usage Details
Scope: Topographic mapping (large scale).
Extent:

Origin: Mean sea level between 1951 and 1956 at Clarendon Dock, Belfast. Initially realised through levelling network adjustment, from 2002 redefined to be realised through OSGM geoid model.
Conventional Reference System:
Realisation Method:
Publication Date: 1957