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Switzerland

Rover Setup​

Coordinate System​

Choose a coordinate system based on CH1903 (such as CH1903 / LV03) or CH1903+ (such as CH1903+ / LV95) datums.

Vertical Datum​

Choose one of the available vertical datums:

  • LHN95 height
  • LN02 height

The following geoids are used to perform the transformation:

  • CHGEO04_ETRF
  • CHGEO04_HT_ETRF

Base Setup​

Your base or NTRIP service should be in ETRS89. The following methods are used to perform the datum conversion: CHENyx06 grid, Helmert (7-parameters).

When setting up a base station on a benchmark, enter ETRS89 geographic coordinates (lat/long) and ellipsoidal height in the Emlid Flow Base settings.