Re: IJN and sound velocity profile


"Christophe Chazot" <c.chazot@xxxxxxxxxx> a écrit dans le message de news:
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"Mark Test" <MARKT38@xxxxxxxxxxxx> a écrit dans le message de news:
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"Christophe Chazot" <c.chazot@xxxxxxxxxx> wrote in message
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(snip)

Question: Have you been able to find out if any WW2 ships / submarines
even had bathythermograph's onboard?

Yes, US submarines had BT = Bathythermograph, in 1944-45, and they used
layers to determine their attack or approach lane. And Germans did know
that temperature layers could hide them, they did use it extensively in
the Med in 1942 where there is often a layer, they did not need any BT,
just an external thermometer.
But I've never read anything like that about IJN subs. That's why I
suspect that they had no idea of it.

Christophe

More precisely (my last sentences are ambiguous) :
I've never read that IJN subs were equiped with such a device or that IJN
surface ships were aware of the effects of layers.

My apologies for possible misunderstanding,
Christophe


.

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