Friday, June 29, 2012

German microwave communications of WWII

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During WWII the Germans used microwave communications in areas where it was not possible to have landlines. This was either due to geography...
Monday, June 25, 2012

Update

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I added information from ‘Hitler’s Spies’ and 'Historical dictionary of German intelligence' in German intelligence on operation Ove...
Sunday, June 24, 2012

Insecurity of Greek codes - Part 2

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In a previous piece I looked into the lack of security of Greek codes during WWII. The systems used by the Greeks were solved cryptanalytic...
Friday, June 22, 2012

German intelligence on operation Overlord

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In the summer of 1944 the German army suffered two horrific defeats that sealed the fate of the NS regime. In the West the Anglo-Americans w...
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Wednesday, June 20, 2012

Update

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I uploaded TICOM report I-159   'Report on GAF Intelligence based on Interrogation of Hauptmann Zetzsche ' - 1945 Reuploaded TICOM...
Sunday, June 17, 2012

The Irish Government Telegraph Code

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In the course of WWII the diplomatic communications of the neutral countries became a target for the codebreakers of the Allied and Axis pow...
Thursday, June 14, 2012

The Soviet K-37 ‘Crystal’ cipher machine

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The Soviet Union used during WWII a large number of 2,3,4 and 5-figure codes of various types. These were all hand systems. When it came to ...
Tuesday, June 12, 2012

Update

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Time for some new TICOM reports: I-90 ‘Interrogation of Herr Reinhard Wagner (OKW/Chi) on Japanese systems’ - 1945 I-109   ‘Translation of...