EWT to DD (Y) Jan 20 re release of ATS operators for Phase 2 of Indian Expansion...

HW 14/120

1945 Jan 16-31

EWT to DD (Y) Jan 20 re release of ATS operators for Phase 2 of Indian Expansion Plan, impossible with current Sigint demands on W Front, DD (Y) to EWT Jan 30 re new ATS Y Station at Brussels; Major Tester's Section to PA EWT Jan 20 and 27 re Fish records; Milner- Barry of Hut 6 to EWT Jan 22 re intercept from Russian Front; DMI to EWT Jan 23 re EWT's letter on major problems expected at BP from German comms change of Feb 1, Jan 24 Gp Capt Jones to all customers re expected reduction in reporting from Hut 3 as result of comms change; acknowledgement from Maj Gen Clayton Bissel of US War Dept Jan 27 for BP study on indications of preparations for German Ardennes' offensive; Col Telford Taylor at BP to C Jan 27 re US War Dept's requirement for UKUSA joint research project on European Ultra and Ultra handling techniques as part of World War II Sigint History, work to be done at BP; AD (WTC) to Col Bicher of ETOUSA Jan 16 re US intercept for BP; S/L Smith of WTC to Colman of Hut 6 Jan re cover of Ibis, Jerboa and Corncrake; CLS Williams to Major Webster Jan 17 with photo facsimile from Berlin - Tokio link; minutes of 8th Station Commanders' Conference held at Kedleston Jan 18 chaired by DD (Y) Brig Vernham, paper by S/L Smith of WTC Jan 19 with demand for MF and LF E cover on Continent; AD (WTC) to DD (Y) Jan 20 re new DF requirements and E cover on Continent; AD (WTC) to DD (Y) Jan 29 re Kedleston CRR; DD (Y) to AD (WTC) Jan 30 re WO's requirement to be informed of all operational changes made by BP at WO Sigint units; AD (WTC) to Lt Col Crankshaw in MI-8 Jan 31 re results of transfer of GP cover from Kedleston to Forest Moor; AD (WTC) to DD(Y) Jan 31 re proposed transfer of ATS intercept unit to France; AD 2 to Millam at Knockholt Jan 22 on appointment of Major QEMA King as OC Knockholt, King to report to AD (2) on all matters concerning GCWS there, Major Tester remains temporarily at Knockholt to continue current liaison while Kenworthy on Continent; AD (WTC) to EWT Jan 31 covering annual report for 1944 on intercept of international W/T comms at the 6 PO stations; AS starts area prefixes for Canterbury Broadcast w.e.f. Jan 19; Met Section notes for w.e. Jan 20 and 27 ; Wing Cdr Garret of AS to DDI 4 Jan 22 on suitable GAF W/T tasks for cover in Belgium; Forest Moor's search plan for expected GAF frequency change of Feb 1, similar plans from John Hancock at RAF Chicksands; various exchanges between BP and SHAEF and its subordinate units including 382, 383 and 386 WUs, 1 SWG Mobile, 1 SIC, 6th and 12th US AGs and 21 AG; DD 1 to Col Bicher of ETOUSA Jan 16 re draft letter to Supreme Commander of Dec 23, DD 1 to C Jan 25 re BP's memo of Dec 14 for SHAEF; SHAEF paper Jan 17 on possible preparations for gas warfare by Germans, JIC London considers this unlikely; AD 2 Lt Col Wallace visiting 1 SIC, to EWT Jan 18 re printer reception tests on Continent, Kenworthy from Knockholt also on Contient for tests, 21 AG to AD 2 Jan 18 re printer trials, 1 SWG to BP Jan 25 re traffic for DD 2, Wallace again to EWT Jan 31, evaluating party from BP and Knockholt awaiting return to UK, unlikely to arrive before Feb 2 because of poor weather; Brown at 1 SIC to Lt CoL Gadd at BP Jan 26 re 365 WU, AD (WTC) to Brown Jan 27, Brown to visit 365 WU; 21 AG ISUM for Jan 18 for Jones of Hut 3; Jan 21 6th US AG quotes OSS report that Germans had received orders to evacuate Italy, SHAEF replies Jan 22 no evidence yet for withdrawal; Col Bicher and Wing Cdr Oeser at SHAEF to BP Jan 23 RE TICOM targets, Oeser to BP Jan 24 re TICOM plans; Kellog at SHAEF to Col Taylor at BP Jan 23, Betts in hospital in Russia; EWT to Lt Col Brown at 21 AG/1 SIC Jan 24 re processing of Playfair at 1 SIC for Crossbow Committee, reply from Brown Jan 25, 1 SIC to BP Jan 29 re Vera V2 traffic; S/L Stacey of AS visiting Detachment E on Continent to Bonsall of AS requesting new reports from AS Jan 24; Maj Gen Strong at SHAEF to Gp Capt Jones Jan 30 for Gambier-Parry of Section V at HQ re shortage of personnel for Sigint channels an Continent, suggests approach WO to form new M Section; Air Signals Section at BP on SHAEF teleprints of captured R/T callsigns Jan 21; Brown at 1 SIC to Jones at BP Jan 30 re Col Bicher's request for use of BP as emergency comms link between ETOUSA Paris and Weymouth Street, agreed; AD (WTC) to Brown Jan 31 re GAF LF; 12th US AG to BP Jan 31 re German Y revealing Comsec breaches by US forces, Col Scott at SHAEF to Jones at BP stating additional US officers to be Sigint indoctrinated to see evidence; Col Scott at SHAEF to Chairman SB Jan 27 re Dutch request to establish Sigint section, list of security questions to be answered by SB, reply Jan 31, Dutch to be placed on same footing as French; SHAEF to Col Telford Taylor at BP Jan 28 re message from Maj Gen Bissell of US War Dept re SHAEF Counter-Intelligence War Room and security of Ultra; Col O'Connor in Washington to EWT Jan 17 asking who pays Prof Plumb of BP NS visiting Washington, O'Connor to EWT Jan 31, Plumb then visiting OP-20-G, to visit Bayly of BSC in New York, then go on to Canada early Feb; regular exchanges on technical decrypt matters between Alexander of BP NS and Bodsworth detached from BP to Washington; technical exchanges between BP and NEGAT in Washington on Japanese and German decrypt work: BP to NEGAT Jan 30 re signal from Chinese Naval Attache of Oct 23 1944 quoting detailed data on Japanese Navy obtained from US Navy Dept and asking how Chinese could have obtained such information; liaison with 7 SIC East and exchanges on intercept from Istria; liaison with Fleet Radio Unit Melbourne; Admiralty signals to C-in Cs BPF and East Indies Jan 19 and 28

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