Yep! Thanks for the link, Cat. Easy to understand.
I'm just thinking, if they got equipment to get salinity and temperature = they got the density because that's pure mathematic after we know the temp. and sal.
I'll give my quess: It was the temperature they lacked. (I think USN boats got the "temperature tool" quite late in the war. Which doesn't mean, of course, that germans didn't got that earlier...)
Well, next to the uboat.net.
Greetings,
-RC-
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