Signals Journal to WTC May 16 on expansion of static Y stations in UK with target...

Signals Journal to WTC May 16 on expansion of static Y stations in UK with target figures and achievements to date, DD (Y) to WTC May 17 re MF cover in UK with list of all assets, May 22 WTC return to EWT of all Sigint stations/positions operating in UK as at May 12; WTC to OC Chicksands requesting Capel be brought up to full strength May 20, other numerous items involving WTC, AS and RAF Chicksands on increase of F cover and build up of Capel, WTC to DDI 4 May 26 re Sutton Valence as contingency station for Capel, emergency arrangements at Sutton Valence as contingency for problems at Capel May 31; WTC to DDI 4 May 31 on Sigint expansion failures at Chicksands and Capel; F cover at Lydford targeted against Brest Peninsula May 23; May 17 J de G's report on visit to Capel of May 11 and proposed expansion program there, May 18-19 other visit reports by J de G to Bishops Waltham May 11, Kedleston Hall and Beaumanor May 4-6 and Wincombe May 10; minutes of 3rd WTC weekly meeting of May 15 and those of May 22 and 29; WTC to CSO (SW) May 16 re printer channels to Bishops Waltham; WTC to Hut 6 May 16 re attempt to improve efficiency of Whitchurch and quality of its E intercept; OC Forest Moor's comments to WTC re Lt Col Blair-Cunnynghame's suggestion for 2 sets on each intercept position May 17, similar replies from OC Beaumanor and 21 AG May 21/22; EWT to C May 28 requesting Blair-Cunnynghame be transferred from Army to MI-6 so that he could be employed on inter-Service basis as GCCS rep at SHAEF, EWT to Col Scott May 28 agreeing Blair-Cunnynghame's charter at SHAEF; WTC on liaison between Forest Moor and Sixta May 27; evaluation of capability of US Sigint station Bexley Heath May 23, WTC requests further evaluation May 29, section replies May 30; May 23 EWT to Maj Gen C Bissell in Washington, copy to C, on current state of relations with Col Bicher at Weymouth St and summary of BP position on relations with US Sigint, with reasons why certain crypto processing could only be done at BP, also copy of report of meeting with Gen Whiteley of SHAEF on same subject May 3, with plan of Sigint feed to SHAEF; Sayer to Kenworthy at Knockholt with details of Brora's aerials May 16, Williams to Sayer May 18 same subject; Kenworthy to WG Welchman at BP on equipment requirements for Knockholt and Kedleston May 19; C and EWT decide that Kenworthy should take over disused PO DF station at Kingask near Cupar for printer intercept instead of cover at Hawklaw, WTC to DD 2; CSO (SW) to WTC May 19 re DR commitments; WTC to DD 1 May 20 requesting that senior DIO's at Y stations be indoctrinated and allowed to visit BP; Croat cover removed from Forest Moor May 20, 4 Croat sets to go to F cover for AS, WTC to EWT May 20 suggesting Croat cover be transferred to Italy, WTC to Dunstable July 20, F cover to be extended at Monks Risborough, Croat and GP cover to be transferred to F for AS; agenda for 3rd Station Commanders' meeting to be held at Forest Moor May 25, minutes of meeting, chaired by CSO (SW), next meeting to be July 12 at Shenley; WTC to Major Carr of BP Comms Section, all 28 Sigint positions moving from Harpendon to Rustington from May 26, comms support essential from Rustington to BP; WTC to EWT on GP cover May 25; GPS to DD 1 May 26 re great escape in March by RAF officers from Oflag Luft III, all GP material assembled, DD 1 to C May 27 covering letter with list of all available Sigint on subject, 10 officers apparently avoided re-capture; May 25 DMO to DD (AS) covering results from interrogation of German U-boat Met Officer with comments from Dr Mc'Vittie of Met Section, EWT to Sir Nelson Johnston, DMO, with comments on interrogation May 30; DMO to Director Naval Met Service in Admiralty May 26 enclosing USAAF met reports Nov 1943 - Mar 1944 to determine whether they had Sigint input; problems with failure to use term Station X vice BP outside of BP May 23; MW directive May 23 on standardisation of names for battle areas and fronts; BP WFC to end May 26, no further Committee reports after issue 38; Sixta note on German Army exercises in 1944 May 29; summary of BP printer links to 6 main UK Sigint stations as at May 30; agenda for meeting on June 1 in Hut 6 to discuss economy of intercept sets for Western Front cover; draft minute from Gp Capt Jones May 14 on procedures necessary if Hut 3 was to succeed at outset of Overlord, reporting threshholds to be raised, various BP comments in return, May 31 Jones' directive on reporting threshholds in anticipation of Overlord; CLSW of WTC to hand over work on Spanish Military to Low of AS May 16; AS regulations for passing Sigmund Ultra to AEAF and TAF May 17; AS introduces new Senior DO rosta for sleeping duty in Room 91 wef May 22, duties of DO in Room 87 unchanged, duties for new Senior DO May 24, new rosta to start May 29; AS instructions for reporting Sigint on W Front airfields May 18; AS Operational Watch starts 24 hour working May 19; AS to AEAF May 21 with Ultra regulations for Hutment, Tentage and Sigmund messages, AS Sigint support to AEAF May 23; DDI 4 to DD (AS) complaining over AS's report distribution policy May 23; AS directive May 28 on duties and composition of AS Melding Watch, preparing material for Carpenter Sigint Broadcast and issuing of GAG series reports; GC Mc'Vittie of Met Section to MO 2 Dunstable re release to ETA of German naval met decrypts, Met Section weekly notes for w.e. May 20 and 27; routeing instructions for Camel messages to AEAF through Hut 3 May 29; BP to SHAEF May 26 on introduction of new BP liaison post in SHAEF, Col Blair-Cunynghame to be first in post, terms of reference; SHAEF paper by Col Scott to Maj Gen Strong May 27 on Comsec monitoring on W Front, C to be consulted, should Comsec monitoring of Allied traffic be concealed from Allies; HQ ETOUSA Signal Directive No 1 by Col Bicher, instructions for US Sigint units in SHAEF Theatre of Operations; Chicksands cover returns for w.e. May 13 and 20;

Topics

Internment

Europe and Russia

Air Force

Conflict

Maps and plans

Intelligence

Navy

Armed Forces (General Administration)

Operations, battles and campaigns