EPSG
NSGI: Netherlands Partnership of Kadaster, Rijkswaterstaat and Hydrographic Service, http://www.nsgi.nl/.
2020-08-31
Geodesy, topographic mapping.
Orthometric heights. From 2018, use has been extended from Netherlands onshore to Netherlands onshore and offshore.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalReferenceFrame", "name": "Normaal Amsterdams Peil", "scope": "Geodesy, topographic mapping.", "area": "Netherlands - onshore and offshore.", "bbox": { "south_latitude": 50.75, "west_longitude": 2.53, "north_latitude": 55.77, "east_longitude": 7.22 }, "id": { "authority": "EPSG", "code": 5109 } }