Hi!
Technically, a real-life sonar beam is only a few degrees wide, but SH3 models it as a broad area search with reduced effectiveness. Also in real life, I think there was a difference between an escort that is "searching for a U-boat without knowing it is there" and "prosecuting an active contact."
The former search sweeps the sonar beam back and forth within +/- 45 degrees of the bow; the latter search tries to keep the U-boat "in the beam" unless it is directly behind the escort.
Pablo
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- Theodore Roosevelt, speech before the Hamilton Club, Chicago, April 10, 1899
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