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Secret Weapon: U.S. High-Frequency Direction Finding in the Battle of the Atlantic Hardcover – October, 1996

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Product Details

  • Hardcover: 289 pages
  • Publisher: Naval Institute Press (October 1996)
  • Language: English
  • ISBN-10: 1557509352
  • ISBN-13: 978-1557509352
  • Product Dimensions: 1 x 6.5 x 9.5 inches
  • Shipping Weight: 1 pounds
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (5 customer reviews)
  • Amazon Best Sellers Rank: #1,432,385 in Books (See Top 100 in Books)

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1 of 1 people found the following review helpful By Silence Dogood on August 20, 2013
Format: Hardcover Verified Purchase
The book was well written and researched. There were
many photos and drawings of personalities, equipment
and the ships on which HF/DF was mounted.

HF/DF took advantage of Admiral Donitz's micro-
management of his U-Boat forces. The boats had
to acknowledge messages from headquarters. They
also sent messages to other U-Boats in their
area to coordinate "wolfpacks".

Sending large numbers of messages weakens
security and this enabled Allied forces
to ascertain U-Boat positions. With such
information, they were either discovered/
sunk or convoys re-routed around them. American
submarines, on the other hand, operated in
silence ( the Silent Service). When the
situation presented itself, they did transmit
info to other subs or their own headquaters.

In as much as World War 2 was an electronic war,
the author had a good chapter on the difficulty
of obtaining and then training its operators.
Athough it deals with radar, I suggest reading
" Solving the Naval Radar Crisis - The Eddy
Test ".

HF/DF operated in conjunction with traffic
analysis, Ultra intercepts, radar and sonar.
The author claimed that " twenty-two German
submarines were sunk between 22 May 1943
and 8 April 1945 in ASW attacks aided by
HF/DF ".

There were two chapters ( 5 & 6 )which I found
to be overly detailed about one of HF/DF's
inventors and its procurement history.
Nevertheless, it was a worthwhile read.
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3 of 4 people found the following review helpful By dlarrabe@mailexcite.com on January 7, 1999
Format: Hardcover
Reviews the source of technology and fielding of marine mobile HFDF used in ASW during WWII, parimarly in the Atlantic. Does not cover land based systems in the same depth which was dissappointing to this reader. Hints at the technology but does not specify the actual techniques employed. Does, however does provide an analysis of the impact of ship born HFDF towards countering German U Boat activity. Overall interesting reading ! Dave Larrabee HFDF Center Compliance & Information Bureau - FCC
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Format: Hardcover Verified Purchase
I'd highly recommend this book for any RF Engineering enthusiasts. A coworker of mine originally told me about it and I wasnt disappointed. Its a shame that its out of print.
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0 of 1 people found the following review helpful By A Customer on March 26, 1999
Format: Hardcover
Although the story of the role of technology in the defeat of german U-boats in the Battle of the Atalantic has often been told, the role of HF-DF (huff-duff) has usually been slighted. This book corrects that situation. Secret Weapon is an important new contribution in out understanding of the battle of the Atlantic, and an archetype of contemporary history of military technology. (From a longer review that appeared in the New York Military Affairs Symposium Newsletter).
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0 of 1 people found the following review helpful By Vince Scott on May 20, 2013
Format: Hardcover Verified Purchase
Good look at technology in warfare that is still relevant today. Well organized and written. I appreciate the authors insights/
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