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#11 |
Silent Hunter
![]() Join Date: Sep 2010
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All of this is interesting stuff.
I don't know that much about the technicalities of radar, but the book Hunt And Kill delves into allied HFDF a little. The importance of radio direction finding was credited with being nearly as important as ULTRA in the defeat of the U-boat. This was largely because of its immediacy; decryption tended to be a long process. Emphesis was given to technical improvements that speeded up the process and later allowed sets to be put on ships. Here is a short excerpt: The new technology did not eliminate errors, however. When compared to the locations logged in U-505's war diary, for example, the positions shown in the U.S. DF log were off by distances ranging from 81 to 299 nautical miles. Much like anti-submarine warfare in general, in many ways direction finding was as an art as much as a science, and intelligence analysts had to bring their abilities to bear to produce more accurate position estimates than those available through DF alone.
This leads me to think Japanese capabilities were somewhat exagerated. Also, I believe there is a psychological component involved in this. By this I mean, if you overestimate enemy cababilities, you are only likely to be overcautious. If you underestimate enemy cababilities, you are likely to be in trouble. ![]() |
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