Staff recruitment, liaison with Cambridge University; letter from EWT to C appealing...

HW 14/54

1942 Oct 1-10

Staff recruitment, liaison with Cambridge University; letter from EWT to C appealing for dispensation to recruit Sigint Officers from all 3 Services and the FO without regard to age, fitness, enlistment or present employment; WRNS postings; HAS request to AM for promotions for certain RAF officers, AS promotions and pay increases, Treasury reply to AS request for promotions, AS lectures for ISSIS Course; letter to C from AD (S) on relative civilian/Service rewards for doing same work, overweighted in favour of Service officers; papers on personal security attitudes for Sigint personnel issued by BP and US Sigint authority in UK; AD (S) orders weekly meetings to discuss coordinating Sigint reporting at BP; minutes of third meeting of BPCC; BP's wish to have a cryptographer present at interrogations of signals' POWs; meeting of Heads of Sections at Berkeley Street, review of 6 months in London since move there in April 1942, note from AGD listing liaison officers for the various civil and diplomatic tasks, Berkeley Street liaison with Washington, Ottawa, India and Melbourne; list of international radio telephone circuits intercepted by GPO for GCCS; problems with Hut 7 construction at Drayton Parslow; pneumatic tube system to be installed in Block D; cover of non-morse, HC Kenworthy sends recording of typical German non-morse transmission to Lt Col Sayer suggesting it be copied and sent to overseas intercept sites, Sayer orders 3 copies; letter from Sayer to Brigadier CS Vale DDMI (O) giving his views on present Army and BP Sigint organisation; contents of filing room as at Oct 5; new RAF admin officer for AS Oct 5, paper by AW Bonsall to HAS on improving Sigint attack against GAF night fighters, distribution within AS of RAF Kingsdown traffic logs, WAAFs to be trained to break and report GAF Zenit code, Zodiac met decodes Apr-Aug 1942; training in German R/T of RAF Sigint teams for shipborne operations; DF Coordination Party, DF problems; 500 staff at BTM building machinery for GCCS other than Hollerith work, suggested cover story, Official Secrets Act form for BTM employees, letter from DCSS Col Vivian to AD (S) suggesting inadvisability of BTM employees signing Official Secrets Act; new restricted distribution for 6 IS weekly report; German Naval weather organisation in Med and Black Sea areas; liaison with US Army and Navy Departments, signals from EWT visiting Washington with HNS, to HAS, AD (S) and Col Tiltman, EWT attends meeting in offices of BSC New York with US and Canadian representatives to discuss CANUKUS Sigint exchange, EWT's cryptic notes of CANUKUS meeting at BSC forwarded by Capt KJ Maidment of BSC with Travis's key to personality and country code letters used in his notes, Dr Mc'Vittie to return from Washington via Montreal on Oct 6, report by Mc'Vittie on his detachment to Washington Aug 23-Oct 3 to advise US on breaking Axis met codes and cyphers, letter from Kenworthy in Ottawa to EWT back at BP, letter from Major G Stevens in Washington to Col Tiltman, letter to Stevens from AGD listing all of his officers responsible for specific subject liaisons with War Department; correspondence with AM and WO, with GOC-in-C West Africa, with Col Crankshaw in Moscow, Shaw in Kilindini and with Melbourne; correspondence with CBME, cryptic letter to HAS from Director CBME, appointment of new Commandant 5 IS, Air Vice Marshal Tedder asks ACAS (I) for permission to allow senior USAF planning officers to be cleared for Sigint; quarterly listing of FO posts and personnel; FO to maintain dossier of Sigint evidence for German war crimes, agreement between Sir Alexander Cadogan, C and AD (S); meeting to be called to discuss Sigint comms for Operation Torch in Med, meeting held at Broadway Buildings Oct 7; proposed meeting on Service Sigint comms and comms channels; YC meeting recommends special security measures against radio beacons planted on GAF bomber targets in this country, AI 4 letter to Lt Col Sayer at BP giving details of GAF and RAF beacons audible in UK as guide to searching for German beacons dropped in this country; collateral intelligence reports; final disposal of German Sigint officer, subject of 3 previous interrogations; new ATS Sigint station to open at Kedleston Hall near Derby on Oct 12; five reports from Hut 3 DO to C on German operations in the Black and Caspian Sea areas, ZIP/ZZGM/7, ZIP/ZTPGM/1591, ZIP/ZTPGM/1628 1729 and 1909 Oct 2-10, X/BMP/5 notes on German night fighter sectors 7 and 8, ZIP/BMP report for Oct 9 on GAF activity

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