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Old 09-08-08, 02:39 PM   #8
Puster Bill
Grey Wolf
 
Join Date: May 2006
Location: BA8758, or FN33eh for my fellow hams.
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Quote:
Originally Posted by GoldenRivet
u-boats were equipped with such a device as well.

it was called "TAG".

It was installed in the control room of the XXI and was set to listen for pre-determined high pitched prop sounds, if one of these pre-programmed sounds was heard, a warning would sound in the u-boat would alert the crew.

I would imagine the allied system was very similar.
That device is what I consider to be "proof" that the germans knew about the FIDO.

I find it hard to believe that a device that had a 25% success rate wasn't noticed by hydrophone operators, and then reported to BdU, by the boats that survived.
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