The Pacific War Online Encyclopedia
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HF/DF stood for High Frequency Direction Finding, and it was a key
technology for winning the battle of the Atlantic. It was based on
specialized radio receivers developed by lightning researchers prior to
the
war, and it was capable of obtaining accurate bearings even to
extremely
brief transmissions. Thus, it foiled the German Kurier microburst transmission
technology used by U-boats for
their communications, which was supposed to be proof against direction
finding. It was useful but less crucial in the Pacific, where the
submarine threat was much less and the Japanese
did not practice the
same kind of central control as the Germans.
References
The Pacific War Online Encyclopedia © 2007 by Kent G. Budge. Index
