You might find this thread of interest http://www.subsim.com/radioroom/showthread.php?t=196973 .
I raised the subject because in SH3 ASDIC is not used continuously, it is only engaged by the escorts when they know a u-boat is in the area.
Nemo
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"I'm afraid there is no disguising the fact that King's obsession with the Pacific and the Battle of Washington cost us dear in the Battle of the Atlantic".
Sir John Slessor GCB, DSO, MC, DL
AOC-in-C Coastal Command RAF
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