I do not know how big the bearing inaccuracies are for each sensor. But you can make best use of it if you beam the contact, and stream the towed array as far as possible.Then the bearings of the 2 sensors are as far apart as possible. If you happend to have your bow and tail line pointed towards or away from the contact then triangulation is useless on it. Then there is no seperation from the contacts point of view.
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