Belge 1972 / Belgian Lambert 72 and Ostend height

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

Projected CRS

• 31370 : Belge 1972 / Belgian Lambert 72

Vertical CRS

• 5710 : Ostend height

To use this implementation as defined by the NGI :

• Download : projection_grid_31370.zip and vertical_5710.zip
• Unzip and Copy to : <Orbit installation directory>/program/system/crs

• Coordinate Reference Systems in Orbit
• http://www.ngi.be/ (technical specifications about coordinate system)