Bathymetric Navigation: Line of Soundings Method - PassageMaker
Robert Reeder takes us through the method of Bathymetric Navigation he discussed in his April 2017 Seamanship column

Robert Reeder, PassageMaker contributor, takes us through the method of Bathymetric Navigation he discussed in his April 2017 Seamanship column. This methodology uses recordings from your depth sounder to update your dead reckoning position. See his additional method of Bathymetric Navigation, Contour Advance explained in this video.

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