JCC minutes, labour problems for BP building work, building programme for Huts 3...

HW 14/24

1941 Dec 1-15

JCC minutes, labour problems for BP building work, building programme for Huts 3 and 6, 6 IS from Beaumanor to move into Hut 10; meeting chaired by Minister of Labour and National Service on staffing problems of GCCS, GCCS recruiting and staff moves, payand conditions, weekly BP personnel statistics; Dilly Knox breaks into German secret agent Enigma, exploitation of agent communications, liaison with RSS; 6 IS W/T I required by Huts 3 and 6, 107 personnel of 6 IS to move from Beaumanor to BP; work of Commercial Section and service to IRB and MEW; GCCS security at Elmers School; GCCS meeting on feasibility of using deception against German communications; minute from Director WRNS to GCCS on personnel matters; Sigint service of cable material from PO Censorship Department; GCCS staff to proceed to GHQ only in event of invasion of UK; list of Sigint cleared personnel with access to Hut 3 and its end product; RAF Section organises Sigint course in Buckingham for officers, starting Jan 5; rumours that British were breaking Swedish and Norwegian Hagelin, Swedish diplomatic intercepts; Sigint cover at Sunningdale, Chicksands to have Dog Book; PO Sigint cover at Sandridge, Whitchurch, Cupar and Brora, more criticism of Sandridge; diagrams of layout of E machine; GCCS pressure to stop US ships in Atlantic using en claire international weather code , thus enabling Germans to obtain additional weather information; minutes of WTB meeting in London held on Dec 3; scrambling device for RAF; monthly GAF W/T report from Cheadle; Polish cypher logs for Oct/Nov 1941; UK deception against German communications; liaison with Canada, Oliver Strachey to arrive in Ottawa in January to head Canadian Sigint organisation, plans for communications and freight; liaison with Bertie in France, liaison with Russia, Sigint channels between Murmansk and BP, UK Sigint team en route to Murmansk on HMS Kent; correspondence with CBME and Air HQ India; minute from Major Curtis, Army representative in Hut 3, to unspecified MI-6 colonel, reporting on unsatisfactory state of affairs in Hut 3 but that he was managing to beat the system and continuing to supply WO with intelligence; syllabus for Sigint Officers' Training Course on Dec 27; allocation of more sets for interception of E; censors provide copies of Swedish and Iraqi messages to GCCS

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