Q. How can I reduce the GPS Height to VORF?


A. Based on the NPD-S files, you should be able to reduce to VORF like this:

  • Import NPD-S file
  • Calculate GPS-Tide on one of the GPS-Tide singlebeam channels:

 

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  • Select the right VORF file 

 

  • Smooth the new GPS Tide relative to VORF

 

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  • Export it 


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  • Reimport into NaviEdit with Ascii Importer and link it to the SBD file without height reference.


  • You will probably need to set the Draft in the HeaderEditor 


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