C's approval for suggestion by Marchant of Hut 3 that reporting on POW camps in W...

HW 14/125

1945 Apr 1-15

C's approval for suggestion by Marchant of Hut 3 that reporting on POW camps in W Germany be confined to MSS/C limited distribution series, Apr 4; IE to EWT's personal secretary Apr 8 on not amalgamating Ultra and TA results in same report; Gp Capt Winterbotham at HQ to C Apr 14 on future of SLUs; DD (Y) to AD (WTC) Apr 2 re recording equipment at Forest Moor, AD (WTC) to DD (Y) Apr 4 agreeing recording equipment be removed from Forest Moor, operators to be transferred to GP cover, OC Forest Moor to CSO (SW) Apr 9, recording work to stop that day, DD (Y) to CSO (SW) Apr 10 re end of sound recording at Forest Moor; AD (WTC) to DD 1 Apr 2 re staffing of FO/PO Y stations after the war, attaches list of correspondence on subject since Aug 1944; BP Comms Officer to AD (WTC) Apr 6th re loading of printers BP/Forest Moor, reply Apr 8; DD (Y) to AD (WTC) Apr 10 re enlargement of Shenley; reply Apr 13; AD (WTC) to DD 1 Apr 13 on cover of Brown III, the German R&D network, including V weapons, paper prepared by Wing Cdr Smith of WTC, AD (WTC) to Smith Apr 15 re AM disagreement with Smith's paper, Smith speaks to AM Apr 16; examples from Sixta to AD (WTC) Apr 13 of UK Sigint proformas as input to Sayer's report for Col Godefroy of French Sigint Organisation, covering note from AD (WTC) to DD 1 summarising lengthy BP paper for Col Godefroy entitiled"Development of a Modern Intercept Service"; AS order of Apr 3 for reporting of Raster decodes in Ciro/Pearl/Zip/Fly series, instruction by AW Bonsall of AS Apr 6 on exploiting captured Raster; AS note on current decryption procedures Apr 8; weekly report for w.e. Apr 1 from Latin Sub-section of AS; AS to Canterbury for 364 WU Apr 2, R/T Summaries required during move of 365 WU, 365 WU to AS Apr 3 re cover during unit's move; Met Section weekly notes for w.e. Apr 7 and 14; Air Sigs Section to DD (AS) Apr 10 re details of 24 hour statistical survey of outgoing signals from German AS; instructions from AW Bonsall Apr 13 on handling beacon information from Raster decodes and Apr 14 on procedures for discontinuance of certain AS reports; AS to AM Apr 14 with list of questions for ADI (K) on GAF day and night fighter tactics; Milner-Barry of Hut 6 to DD (AS) Apr 3 thanking him for AS support for Hut 6 operations since c/s change of Feb 1; HS Marchant of Hut 3 with instruction Apr 1 for passing plain language translations to Commands; Sixta order Apr 10 on amalgamation of Fusion Room and Log Section; 1 SWG (Mobile) (13M) to BP Apr 2 for 372 WU, moving to new site Apr 3; Major Owen to Major Webster Apr 3 on dissemination of plain language translations, copy of Brown's signal from SHAEF to Owen attached; copy of Brown's signal from SHAEF to Owen attached; Col Bicher at SHAEF rear HQ to DD 1 Apr 4, Bicher has French cypher machine, confirmed as modified version, BP to send experts to inspect, exchanges between Bicher and DD 1 Apr 4-12, Major D Babbage and S/L E Jones from BP leave by air for Paris to inspect machine Apr 13; Col Scott at SHAEF to Cdr Wilson of CPB Apr 9 re security problems with French, Scott to Wilson Apr 14 requesting details of UK team to visit Continent to discuss French problem, Scott going to 21 AG for 3 days, team to meet with Maj Gen Strong Apr 23, Wilson to Scott Apr 14, Wilson has to go to Washington on or about Apr 25 so unable to go to Continent, Brig Tiltman from BP to lead party with Lt Cdr Dudley-Smith and Major Edwards from BP and Cdr G Bull from CPB, party could leave UK Apr 26; AD 2 to DD 1 Apr 4 re printer intercept progress on Continent during Mar, Capt Gordon to return to Brussels in next few days to carry out reception tests in area of new 21 AG HQ, printer detachment may move direct from Brussels to Celle, 21 AG HQ's ultimate destination, DD (Y) TO EWT Apr 10 re printer intercept at 21 AG, Capt Gordon from BP to be posted to G-Type detachment at Genval, detachment not now to be replaced by ATS; SLU SHAEF Versailles Rear HQ to EWT and DNI and to Cols Scott and Bicher at SHAEF Apr 10, (TICOM) team should be at 48 hours' notice to cross to Continent, Col Scott moves to SHAEF Forward Apr 13, Scott at SHAEF Main Rheims to Chairman TICOM Apr 14 re deployment to Continent of TICOM personnel; DD 1 to C Apr 13 re use of telephone scramblers in SHAEF area, Washington would not relax rules so UK should adopt similar hard line, draft signal from C prepared by DD 1, C to Maj Gen Strong at SHAEF Apr 13 on non-relaxation of regulations for use of scramblers; BP to HMS Anderson Apr 1 with message from Washington for EWT that Cdr Barham had left Washington for Pearl Harbour Mar 30, ETA Apr 2, to leave Pearl for Guam Apr 5 and return to Pearl via Leyte and Manila so as to meet EWT at Pearl and report on his trip; DD 1's third newsletter Apr 8 to EWT, (now in Brisbane), DD (AS) and his brother AE Cooper sailed in fast shop for US Apr 6, DD (AS) to do fact finding and work out practical scheme before EWT arrives in Washington, M/S letters from Wing Cdr Garrett to AD (AS) Apr 9 and 12 updating him on developments in BP AS since he left for US, FRUMEL to BP and HMS Anderson Colombo Apr 8, EWT's party arrived Melboune Apr 7, to leave for Manus and Pearl Harbour Apr 14, covering note from FH Hinsley at Naval HQ Colombo, accompanying EWT, to DD 1 and DD (NS) Apr 4 with 6 copies of minutes of meetings in Colombo with a copy of C, also copy of additional notes to minutes of meeting of Apr 2 on investigation into tech functions of Anderson; BP to FRUMEL Apr 3 for Cdr Loehnis from Cdr Hughes, Loehnis to advise Hughes Apr 14 on whereabouts and progress, Hughes to reach NY be sea Apr 26 but may be necessary to fly there if DNI's program listed in his signal of Apr 1 is implemented, Washington approves visit of DNI and Cdr Loehnis to Pearl Apr 4; Admiralty to BAD Washington Apr 4, request by Admiral Redman, USN Director of Naval Comms, for Cdr GE Hughes RNVR of Sigs Division to visit OP-20-G, visit to coincide with that of EWT's party at end of April, BP to Washington Apr 8 re Hughes' visit, Cdr IC to Cdr Hughes BP from FRUMEL Apr 8, Cdr Hughes to be in Washington by Apr 21 when EWT, Hinsley and Cdr IC hope to arrive: liaison between DD 1 and Col O'Connor in Washington, DD 1 asks Apr 11 for all Sigint held by US on Rangoon area, also asks SLU SACSEA for all Ultra available on Rangoon area, including strength and defences; regular BP liaison with HMS Anderson Colombo, Apr 3 Anderson asks BP if OP-20-G objected to exchange of Japanese naval decrypts between Colombo and Col Bickwit's US 6th Radio Sqn at Barrackpore, BP sends list of questions to Anderson for Japanese POW Apr 13; BP approves attachment to Anderson of Lt Cdr John Quincy Adams USN Apr 13; DDSD (Y) to Poulden at Anderson Apr 8 re not engaging in policy matters with US before consulting London; technical exchanges between Bodsworth, NS's integree in OP-20-G, and Alexander, Foss and McIntyre of BP NS; Major JR Cheadle, BPs integree in SSA, to EWT Apr 6 and 9 re Washington meeting on Japanese commercial traffic, SSA adamant that US Navy will not sit on this new committee, formed to meet monthly and discuss handling of Japanese commercial traffic; SLU Washington to BP from Cdr Ford Apr 9, US Navy taken over all Chinese and Thai Naval Attache traffic from US Army, NEGAT now requires details of all such traffic from BP AGD to DD (NS) Apr 13 re Chinese Naval Attache cyphers, US now starting work on these codes; SLU Washington to BP Apr 3 re Japanese research in Bermuda, Washington will support Bermuda if BP agrees; Pearl Harbour to all BRUSA stations Apr 4 re routing of Manx weather reports to RAAF, Wing Cdr Garrett of AS asks Dr Mc'Vittie for comments on Pearl's signal but he replies that his comments had been"verboten" since Gp Capt Winterbotham at HQ took over responsibility for Manx dissemination; Col O'Connor in Washington to C Apr 13 re Col Telford Taylor's memo on Ultra histories, US Navy apparently did not wish to

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