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Catalogue reference: HW 14/119
This record is about the Gp Capt Winterbotham of HQ to EWT Jan 2 re Sigint conference at Honolulu and dissemination... dating from 1945 Jan 1-15 in the series Government Code and Cypher School: Directorate: Second World War Policy Papers. It is held at The National Archives, Kew.
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HW 14/119
1945 Jan 1-15
Gp Capt Winterbotham of HQ to EWT Jan 2 re Sigint conference at Honolulu and dissemination of Japanese met Sigint, Winterbotham to return to UK Jan 9, in Washington Jan 6, tells EWT Jap met to be disseminated under new Sigint codeword Manx; AD (CCR) to DD 1 Jan 1 re captured keys; memo to DD 1 Jan 8 re priorities within Photographic Room; paper by GP Capt Jones of Hut 3 Jan 2 on Sigint assessments and failure by Ministries to detect build up for German Ardennes' offensive, weekly meetings to be held at BP in future to discuss German intentions, C to Col O'Connor in Washington Jan 3 ordering him not to release to certain listed US Generals the copy sent to him of BP's indications of German Ardennes' Offensive until further notice, DMI to add his own comments first, DMI's comments Jan 5, detailed comments from Jones to EWT Jan 7 on draft JIC signal to JIS Washington incorporating DMI's comments, JIC signal differs considerably from original Hut 3 report, EWT to C Jan 8 criticising WO's contribution to proposed JIC signal to Washington, asks C to persuade DMI to withdraw or amend his contribution, C to O'Connor Jan 11 on joint comment by DMI and ACAS (I) in BP Ardennes' report and Sigint interpretation failures, to be presented to 4 named US Generals, EWT to O'Connor Jan 13 with his comments on those of DMI and ACAS (I); Sigs 4 to BP Jan 3 re visit by LT Col Wallace of BP to WO Oct 25 1944 when certain policies were agreed on printer cover at Kedleston and Knockholt, in view of subsequent actions by BP, EWT and DD (Y) should visit Kedleston to establish agreed joint policy on printer cover; AD (WTC) to DD (Y) Jan 8 re operator manning; NS to AD (WTC) Jan 9 on cover of Naval Bounce frequencies in Italy, Jan 11 AD (WTC) informs Lt Col Blair-Cunnynghame, BP's rep in Italy, of value of Bounce intercept there, cover to continue, AD (WTC) to 7 SIC East in Italy Jan 15 re intercept for NS, also to Blair-Cunnynghame at 7 SIC Florence; GPO to AD (WTC) Jan 11 requesting that 18 men be returned from PO Sigint stations to man PO coastal radio stations for Admiralty, AD (WTC) to EWT via DD 3 on same subject, Sir Thomas Gardiner subsequently apologies to EWT for tone of original PO letter; AD (WTC) to Comms Section Jan 13 re printer links to Forest Moor; list of E sets being employed on traffic from German V2 units as at Jan 14; evaluation of Ibis, Jerboa and Corncrake E cover Jan 15 by JS Colman of Hut 6, letter to EWT on shortage of E cover as result of increased Comsec by Germans; paper on Y General Search by HC Kenworthy of FORDE Knockholt Jan 5; NS to DD (AS) Jan 4 re significant extracts for AS from HMS Anderson monthly letter of Nov 30 1944; AS to AM Jan 7 with comments from RAF Sigint units on reception of Canterbury Broadcast; results of AS study on GAF 3-figure settings Jan 9; AS to DDI 4 Jan 10 on request for new AS report to cover GAF Fighter Groups; AS to DD 3 Jan 11 re obtaining captured GAF documents from Russians; AS paper Jan 12 on increased use by GAF of LF on W Front, more intercept sites required on Continent; Met Section notes for w.e. Jan 6 and 13 with Dunstable activity report for Dec 1944; Bonsall to DD (AS) Jan 14 on tasks in hand in AS Gamma Section; As to SHAEF Main Air listing details of Hagelin machines sent to 2nd TAF and IX USAF; EWT to Maj Gen Strong at SHAEF Jan 12 proposing visit to SHAEF prior to visiting Washington by Wing Cdr Oeser of Hut 3, who specialises in targeting likely areas for capture of E docs and equipment, Strong agrees Jan 13; AD (WTC) to Col Scott at SHAEF Jan 8 replying to his letter of Dec 31 1944; AD (IS) Page visiting SHAEF to BP Jan 1 re routeing of French agents' traffic to BP; US 6th AG to BP re Sigint security Jan 7, SHAEF to Gp Capt Jones Jan 7 re Sigint security, Germans possibly tapping Allied telephone lines, SHAEF to Jones again Jan 8 re distribution of SHAEF Intelligence Appreciations; Col Scott at SHAEF to Jones Jan 3, also same date EWT to Scott, US 6th AG not to pass Sigint to First French Army; SHAEF to Jones Jan 13 re Allied Comsec, 12th AG tries wireless deception; 21 AG ISUMs for Jan 4 and 14; AS to SHAEF re proposed visit there by S/L Stacey of AS; evaluation by Lt Col Brown at 1 SIC of combined UKUSA Continental effort against Playfair, Jan 14; JIC SHAEF to JIC Washington Jan 7, Germans possibly preparing to employ gas warfare, reply Jan 11; minutes of WO meeting Jan 15 chaired by DD (Y) to discuss re-orientation of Field Y in West, 3 senior BP reps attending, meeting proposed to delegate to US total responsibility for collection and processing of all medium grade traffic on W Front, thus releasing all UK cover for E; misc liaison with 1 SIC Brussels, 12th AG and 9th USAF; preparations for DR JH Plumb of NS to visit Washington Jan 4, will not fly but arrangements being made for sea passage, EWT wishes him to go on to Ottawa, Polumb and Godley sail to US on board Queen Mary Jan 13; OP-20-G in Washington to EWT Jan 5 re statement by Bayly of BSC that reverses on W Front due to problems processing Fish printer, US assistance required for intercept equipment, EWT to Wenger of OP-20-G accepting US offer of assistance; Japanese teletypes being sent to BP via BSC Jan 2; O'Connor to EWT Jan 3 re equipment being shipped to Colombo from US; O'Connor to EWT Jan 8 on using CX/MSS Ultra for propaganda purposes; Bayly at BSC to EWT Jan 8 re US Navy attempting to divert UK Lend-Lease Order to Guam; various exchanges between NEGAT in Washington and BP on subjects such as crypt breaking, underwater cables and topics under study in OP-20-G; various technical crypt exchanges between Alexander of BP NS and Bodsworth BP's integree in OP-20-G; BP to HMS Anderson at Colombo and WEC New Delhi re material for OP-20-G; liaison with HMS Anderson in Colombo and with 7 SIC Florence , Jan 5 Lt Col Blair-Cunnynghame at 7 SIC to EWT re US 849 SIS tackling GP Raster Code; Burley at CBB to EWT Jan 2 re handling of Sigint in Pacific and Asian Theatres; Mountbatten in Far East to C Jan 2 re Sigint clearances for key US officers in Japanese war, passed on by C to Col O'Connor in Washington Jan 4; C-in-C BPF to Admiralty Jan 2 re provision of ferry aircraft carriers so British carriers could operate in a similar manner to US carriers, BAD Washington to Admiralty Jan 14
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Government Code and Cypher School: Directorate: Second World War Policy Papers
Gp Capt Winterbotham of HQ to EWT Jan 2 re Sigint conference at Honolulu and dissemination...
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