It is likely that your error is due to incorrect speed.The TDC speed estimator using the two scope observations is only accurate under ideal conditions, and then only if you have a good range estimation, which can be tricky. I suggest using the time/distance method to estimate speed and input speed manually. Another suggestion is to fire from close range which would be 400 to 750 yds, and try to set up a 90 degree shot, which means point your boat on a course 90 degrees to the target's course. That way you can set up your aob for a 90 deg shot, in which case minor discrepancies in the aob are not important. One more thing, before firing, take a quidk look at the attack map to make sure the torps (green line) are pointed at the correct tiarget. I hope this helps., JOe S
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