Thread: thermal layer
View Single Post
Old 05-08-07, 03:27 PM   #11
TheSatyr
Captain
 
Join Date: Apr 2002
Posts: 545
Downloads: 0
Uploads: 0
Default

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.
TheSatyr is offline   Reply With Quote