Belgian Lambert 72 / Tweede Algemene Waterpassing

EPSG 31370

• Description : Belge 1972 / Belgian Lambert 72
• Type : Projected horizontal
• Area : Belgium - onshore

EPSG : 5710

• Description : Oostende height
• Type : vertical
• Area : Belgium - onshore

Orbit supports¹⁾ the Belge 1972 / Belgian Lambert 72 Gridcorrection as described by the NGI.
Both xy grid and z height corrections are implemented.

To use this implementation the grid files BE_xyGridLb72.bin and BE_hBG03.bin need to be available in the Orbit crs directory.
Download, unzip and copy to the indicated directory :

• Downloads : be_xygridlb72.zip and be_hbg03.zip
• Orbit crs directory : <Orbit Installation directory>/program/system/crs

More information about :

• Use and application of coordinate reference systems in Orbit : Coordinate Reference Systems in Orbit
• Technical specifications of these coordinate systems, read the available documentation on the website of the NGI.