Geodetic Reference Systems — Geodetic Base Network Points (GGP)

The Geodetic Basic Network Points (GGP) serve the physical realisation and security of the ETRS89 as well as its connection with the height and gravity reference frame, thus forming the backbone/backu

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Geodetic Reference Systems — Heavy Duty Points

The Deutsche Hauptschwerenetz (DHSN) contributes to the realisation of the height reference system throughout Germany and manages the official severity values. The SFPs are definitions that are physic

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Geodetic reference systems — trigonometric fixed points (position points)

The German Main Triangle Network (DHDN) described nationwide and nationwide through the trigonometric points (TP) the reference system for the Location. Today, the geodetic basic network points reali

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