Escorts use of ASDIC

[Captain Nemo]

Originally Posted by Hinrich Schwab

I feel I am kind of stating the obvious to a member who has been around the block longer than I have, but I have no reason to believe that all active-all the time was used by the Allies with the sources I read. It is a shame you cannot remember that source you read as I really would like to compare notes on this.

I always find it interesting to hear other members views, hence why I posted this question in the first place.

I am trying to remember the source that has given me the impression that active sonar was used more or less continuously by escorts protecting convoys, but I have read so many books non-fiction and fiction about the Battle of the Atlantic, that it is difficult to remember and pinpoint the exact source.

Nemo