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dcpollay -> RE: sub tuto 1.4 : issue contact precision (11/26/2018 9:17:06 PM)
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Just from your picture, it looks like the contact is a long ways away. It will take awhile for your crew to pin down its course, speed, range, and classify it, if they can at all. In fact, you may not even be able to detect the contact at all from that far away, except for the target's own very loud active sonar emissions.
The water in between you and the contact can distort the signal significantly, and make it seem closer or farther, louder or quieter, and make the bearing of the contact vary. Try looking through a water glass with the water sloshing, and see how the view changes.
To really pin down the target, they would probably need to be within at most 10-15 miles. From your distance, the contact will bounce around the map a lot based upon the uncertainty.
Edit: Oh yes, also, targets are usually easier to track if your own ship is in motion. You can more easily gain "parallax" angles for triangulation. And try varying your depth; sometimes the signal carries better from different depths. Get away from the surface waves, but tracking a surface vessel, you would want to stay above the layer as long as you are out of his active sonar range.
Sonar tracking is a long, slow, patient process.
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