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Catalogue reference: HW 41/21
This record is about the German air force callsigns heard and battle order derived from wireless telegraphy... dating from 1941 Aug 01-1943 Feb 28 in the series Government Code and Cypher School: Services Field Signals Intelligence Units: Reports.... It is held at The National Archives, Kew.
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German air force callsigns heard and battle order derived from wireless telegraphy (W/T)
HW 41
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German air force callsigns heard and battle order derived from wireless telegraphy...
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