I am looking forward to paint show
Yes, @TB_RTK I will do my best. Your paint skills are quite polished if I do say so myself.
Sorry for delay, busy losing drones… The task did not necessitate a paint show.
In QGIS import CSV from Reachview:
Setup the import correctly, check lat and long fields, Reachview survey coordinate EPSG 4326:
Once imported in QGIS right click the layer and export, save feature as:
Choose AutoCAD DXF and be sure to select an appropriate coordinate system for XYZ, try UTM:
This gives Z as ellipsoid height. Follow the above to derive geoid and orthometric heights for each point.