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Reply #4: Sonar in WW2 was primitive, and passive sonar almost nonexistent. [View All]

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benEzra Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Sep-24-07 05:12 PM
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4. Sonar in WW2 was primitive, and passive sonar almost nonexistent.
Besides, early in the war, U-boats had to sit on the surface at night to charge their batteries, anyway, so sonar would be useless. But if you are on the surface, a couple of miles offshore, city lights would silhouette ships passing by.

Modern sonar is amazing, but sonar as we now know it is a late-WW2/postwar development.
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