Daily Archives: September 3, 2010


The 313th Regiment reached an assembly area just north of the Belgian border at about 03:00 this morning. The rapid advance has created logistics problems. The Regiment is ordered to rest. A USO show is scheduled for 5 September.

WWII Journal: Paul Farnum, 3 September, 1944


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High Frequency Direction Finding (HF/DF or “Huff-Duff”) played a critical role in the Second World War. Shore based DF determined the location of German U-boat packs enabling convoys to be routed around them. Ship and airborne DF in conjunction with centimetric radar enabled effective antisubmarine warfare. [1, 2] One of […]

RTLS: High Frequency Direction Finding (HF/DF) in WWII and Beyond