Quote:
Originally Posted by Drewcifer
I would get the range to the target either by the stadimeter, or the wheel... counting tick marks. From there I establish the distance from my own sub.. make marks, run the stop watch, pull the chart, measure distance between marks, compare to chart, identify speed. Draw line thru marks, establish course. intercept. boom.
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Yes you are correct, with visual information, that is the best method.
You can get this info way in advance or in poor visibility using the four bearing.
For real navigation - your method will still work. Just make a mark on the chart and do as you suggest above. You do not need your boat on that map for this.