Quote:
Originally Posted by Rockin Robbins
The angles between the two courses don't matter. The point where a line drawn at right angles to the target course bisects your submarine is the closest approach. At that point the Angle on the Bow is 90º.
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The concept should work ... but it's the observer or the sonar head or the radar ... not the submarine ... that's the center point. In fact, I tried for a long time to use sonar, thinking that the tangent would be when the sonar operator said, "constant distance" ... except he kept saying it ... on average, for about forty degrees of bearing.