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SUBSIM: The Web's #1 resource for all submarine & naval simulations since 1997
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SUBSIM: The Web's #1 resource for all submarine & naval simulations since 1997 |
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05-08-07, 03:27 PM
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Captain
 Join Date: Apr 2002
Posts: 545
Downloads: 0
Uploads: 0
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A device came into usage on Fleet Boats around 1943 (I think) to be able to detect when a sub crossed a thermal layer. So yeah,they were able to detect them. I think it was also used to tell how deep the thermal layer was.
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