" 
 :Well, if it was disinformation, it worked, because Donitz became rather obsessed about anything (Metox included) that ""radiated"", which seems rather silly when one considers his micromanaging of the U-boat force by radio/wireless was responsible for thousands of his sailor's lives. Another point to be made is the bit in the article about how Metox rendered British radar ""completely ineffective"". Utter nonsense. Metox detected radar, it didn't magically nullify its ability to detect a surfaced submarine. I also don't think forum discussions on uboat.net are reliable sources.  "