Letter from EWT to AVM FF Inglis at AM giving views on best solution to RAF administration...

HW 14/59

1942 Nov 21-30

Letter from EWT to AVM FF Inglis at AM giving views on best solution to RAF administration problems at BP, Nov 21; paper from Lt Col Sayer to EWT on proposals to incorporate Fusion Room and bulk of log readers into Hut 6 under Mr Welchman, Sayer to EWT on Naval RFP; letter from AGD to EWT on various admin and staff problems; Professor Vincent decides to remain at BP, letter from PN Loxley of FO, EWT appoints Vincent as Coordinator of Cryptography under Chief Cryptographer Col Tiltman; BP paper on future policy in Med area; paper by WG Welchman on work of Hut 6; investigations into security lapses by BP staff; minutes of fifth meeting of Western Front Committee Nov 28; thank you letter of Nov 23 from EE Bridges of Offices of War Cabinet following War Cabinet visit to BP; Library Panel letter to AD (S) on present unsatisfactory supply of books and documents from Ministries and recommendations to D's of I, compilation of BP records of captured documents and working aids; table prepared by NS on percentage of target transmissions missed for period Nov 23-29; trip report following visit to RSS Barnet by BP officers on Nov 27; IE Summary Report No 130 apparently lost while en route to Lt Col Pritchard, Nov 30; Admin Instruction No 3 from SOA RAF BP; chart illustrating distribution of Wrens, male operators and categories of Bombes at BP, Adstock, Wavendon, Gayhurst and Stanmore; WO offer SOTB to BP for operational tasks from Isle of Man; German teleprinter links; liaison with US War and Naval Depts, correspondence between EWT and Major Stevens in Washington, signal from Bayly of BSC NY to EWT on CANUKUS liaison Nov 29, BP report on UKUSA work on German cyphers; BP liaison with Lt Col GA Bicher of US Sigs Corps, working aids for his Sigint HQ in Grosvenor Square; correspondence with CBME, support to Service Sigint elements in Malta, Gibraltar, Algiers, move of key Sigint elements from Gibraltar to Algiers Nov 24/25, BP requests captured E equipments from ME for Hut 6 Nov 25, 3 equipments sent from Director CBME to AM for EWT Nov 26, cryptic letter from Director CBME to HAS Nov 27, signal from 380 WU to AM and GCCS on setting up in Algiers Nov 21, first monthly Sigint Summary from 380 WU Algiers for period Nov 17-30; correspondence with Col Crankshaw and Admiral Miles in Moscow, Miles threatens to withdraw Crankshaw unless Soviets improve Sigint liaison, Chairman Y Board replies break with Russians contrary to policy, Crankshaw not to be withdrawn; liaison with AM and WO, with Merry in Melbourne, Shaw in Kilindini and 371 WU Freetown; draft paper by DDMI (O) on proposals to reorganise Service Sigint organisation Nov 30, draft paper to DDMI (O) from MI-8 on terms of reference for MI-8, DD (Y), Sigs 4 and Sigs 6 with comments by Lt Col Sayer of BP; papers from AI 4 HQ RAF ME to DDI 4 AM on present and future RAF Sigint policy and deployment in North Africa and ME; letter to Lt Col Sayer from GHQ Home Forces with Sigint syllabus for Royal Sigs personnel posted to Sigint duties; Sigs 4 test results of Marconi radio receiver, evaluation of receiver; minutes of third meeting of DF Coordinating Party held at Broadway, including list of all Sigint DF stations in UK, paper by FR Thornton of Beaumanor on UK DF system and proposed DF Exchange, maintenance of HF Adcock DF stations; BP reports, Sigint on German demobilisation of French Navy, CX/MSS/S 34 of Nov 26 Recent History of a German Flak Division, 3L Report No 2 of Nov 28 Effect of recent Med operations (Alamein Oct 23, convoy from UK entering Med Nov 5, landings in North Africa Nov 8) on intelligence gained from certain E keys, SDE/TS 9 (continuation of SDE/TS-7) of Nov 30 on German frequency advice transmissions

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