Bathymetric Navigation: Contour Advance Method - PassageMaker
Robert Reeder Takes Us Through a Second Method of Bathymetric Navigation

Robert Reeder, PassageMaker contributor, takes us through a second method of Bathymetric Navigation called Contour Advance. Utilizing the same data set from his April 2017 Seamanship column, Robert builds on his last Bathymetric Navigation video, Line of Soundings, to explain this alternate method of creating a position fix.

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