Codeword Ultra to be used for all Sigint material previously referred to as Special;...

HW 14/43

1942 July 11-20

Codeword Ultra to be used for all Sigint material previously referred to as Special; Sigint background talks for clerical staff of GCCS Diplomatic and Commercial Sections in London to start on July 23, replies from Diplomatic and Commercial Sections at Berkeley Street to AGD's proposal; terms of reference for Head of Hut 3, EWT's Serial Order 35 issued by C on July 17 containing orders for Head of Hut 3, case by Head of Hut 3 for additional printer links to London; minute from DNI, NS BP formerly known as NID (12) in future to be known as NID (12a); minutes of Library Panel Meeting of July 14; Lt Cdr MG Saunders at BP hands over responsibilities for Knockholt and non-morse to HC Kenworthy at Denmark Hill, production of non-morse interception equipment by Metropolitan Police morse intercept station and workshop at West Wickham, German non-morse Tunny messages; Sigint material to be sent in future exclusively by Type X, present and future requirements for Type X machines for BP and UK Sigint centres abroad; extra military duties performed by members of 4 IS mainly in GCCS, staff list of 4 IS personnel; programme for installing Cantabs and accommodating Wrens at Wavendon, Gayhurst and Canon Corner Stanmore, C approves Stanmore as site for WRNS accommodation and fitting of machine shops; problems limiting Sigint production in Italian Military Section; AS prepares write up on Spanish AF Wheatstone cypher machine for US Army Signals Corps Officer to take to US; more French Resistance decodes from AD (S) to MI-6; intelligence reports from Axis agents; liaison with South Africa and Canada, Kendrick leaving UK on July 17 to become GCCS representative in Ottawa, AGD asks his contacts there to assist Kendrick on his arrival; correspondence with CBME, German code-names for their units in Libya, GOC West Africa to receive Sigint reports; paper from AD (S) to C pointing out serious fuel and ammunition shortages by Germans in North Africa as reflected by Sigint and failure of Allied forces in the Med area to capitalise on Sigint data giving details of German military supplies by sea; roles of Cheadle and Kingsdown in tactical Sigint support to RAF Commands, Cheadle report on GAF deception or comms training in France; German intelligence report from Sofia on Soviet Military Council meeting in Moscow and future Soviet military plans decided there; results of RAF selection board for Sigint duties; signal from Gp Capt Winterbotham at AM to Wing Cdr Jones Head of Hut 3 giving coordinated routing and security instructions for all Sigint material in British Commands; BP Sigint report indicates Germans preparing to resume large-scale strike operations against Allied convoys en route to Gibraltar

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