BP staff recruiting, requirement to train some 150 women by June 1943 for new BP...

HW 14/51

1942 Sept 1-10

BP staff recruiting, requirement to train some 150 women by June 1943 for new BP comcen, also 200 temporary clerks needed; RAF and WRNS postings; minutes of Heads of Sections' meeting at Berkeley Street Sept 1; Lt Col Sayer to take up new post at BP responsible for Sigint cover, DF Control Centre, sorting and distribution; instructions for signalling Ultra from BP; status report on Hut 3 from Wing Cdr E Jones to EWT for period Aug 23-Sept 8, Hut 6 status report for July/Aug; paper by Paymaster Lt Cdr GR Lavers on his sub-section IIIN in Hut 3 with associated papers from HNS and Wing Cdr Jones; letter from Wing Cdr Jones via EWT to D's of I pointing out inadvisability of planning Allied special operations at beginning of a month when German cypher keys changed, C subsequently sends to D's of I; AS posts complete with staff details as at Sept 7, list of Met Sub-section posts and names as at Sept 10, Room 114 to become AS recreation room from Sept 9, AS SALU takes over rooms on first floor of Block B Sept 9; complaints from London customers about delays in receiving ISOS AND ISK reports from BP; MI5 vetting delays; selection of RAF R/T operators, selections for Sigint course at 50 Sigs Depot; paper by Dr RV Jones requesting more processing time for GAF night fighter organisation, EWT considers too low a priority; GPO to build 72 WW systems for BP, GPO installs teleprinter link from Cupa to BP Sept 10; correspondence with War and Navy Departments in Washington, exchanges between Dr Mc'Vittie visiting War Department and Met Section BP, letters between AGD and Kendrick in Ottawa and between AGD and Capt Hastings and Major Stevens in Washington; liaison with NAVE in Melbourne and with Col Crankshaw in Moscow; correspondence with CBME; letter from C to DMI reflecting his concern at possible compromise of UK E Sigint capability during interrogation of German Sigint officer, copy of interrogation report, re-interrogation by Sigint officers of German Sigint officer following possible compromise of UK capability to break E during earlier interrogation; study of delays in forwarding Sigint material from Gibraltar; double-cross traffic; code taken from Italian spy landed in Malta Sept 9; RAF officers for 380 WU Algiers, staff list for No 276 Sigint Wing ME; suggestions from RAF Cheadle to improve Sigint results during future combined operations such as the Dieppe raid; additional lists of interrupted cables; report on French Sigint centre in North Africa; BP report on activity by GAF aircraft using 4-letter callsigns, July 1942; BP code-finder working aid; SALU report on GAF reactions to Operation Pedestal, Allied Malta relief convoy; CX/MSS/1368/T22 and CX/MSS/1372/T4 reports on German intention to jam RAF recce aircraft reports in Med area

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