Staff shortages in Hut 3, EWT to C suggesting letter to D's of I Aug 11, subsequent...

HW 14/49

1942 Aug 11-20

Staff shortages in Hut 3, EWT to C suggesting letter to D's of I Aug 11, subsequent letter from C to D's of I, reply from WO Aug 15; EWT suggests new general committee to discuss all GHQ plans with representatives from all 3 Services, MI-6 and BP; start of fortnightly comms meetings at BP; agenda and minutes of first meeting of Service liaison officers to discuss Sigint output of Berkeley Street, chaired by AGD; staff matters, recruiting, liaison with Cambridge University, Cypher Office promotions; WRNS postings; NS comments for attention of Capt Sandwith when he visited BP as a prelude to his Sigint world tour; traffic distribution at BP, teleprinter code-names for transmission of Sigint traffic; rules for physical security in Met Section, including list of 32 staff in the section; supply of captured documents by WO to BP; list of 6 IS personnel at BP with access to E; problems with Italian military cover; revised times of courier runs linking BP with Beaumanor, Harpendon and Chicksands; AS report on Research and Exploitation for period Aug 1-15; course reports for Sigint course at 50 Sigs Depot Aug 3-14, interviews on Aug 18 for potential recruits for next course, ATS Sigint Course trainees to be posted to 6 IS at BP; cover at Cheadle, Sutton Valence and Tean for specific German tasks; retention of FW Clarke of NS after age 60; letters exchanged between BP representative Major Stevens in Washington and AGD, letter from Major Stevens to Col Tiltman at BP, liaison with US Army and Navy Departments, shipment to BP of US Sigint processing equipment including electromatic typewriters; liaison with Strachey and Kendrick in Ottawa, letter from AGD to C on his liaison with Washington and Ottawa; Dr Mc'Vittie Head of Met Section to leave UK for Washington Aug 21; liaison with Shaw in Kilindini and NAVE (Australia); correspondence with CBME, cryptic M/S letter from Director CBME to HAS, CBME Director's Charter, release of UK Sigint to US C-in-C ME, UK C-in-C ME to WO regarding cover of Turkish comms; WO and BP liaison with US Army Sigint in UK, US asks for training material; liaison with WO and AM; Paprika deception plans; translated French Resistance messages sent by BP to MI-6; order from C for handling of Axis agent comms Aug 18; AM praises BMP-series of EP reports Aug 19; continued investigation into alleged unauthorised knowledge of E instigated by HQ ME, probably goes back to incident at Cheadle, question of need to know policy; AM suggestion for intercept positions in Wick and Shetlands; BP Summary No 9 of enemy intelligence reports, July/Aug; Italian espionage net in South America; report by F/O R Gunn summarising GAF intercept Aug 10-14 taken on board HMS Nelson en route from UK to Med; GAF 4-letter callsign system 1939-1942; reports T159994 and TR/444 from AM Great Baddow Research Station on German impulse and PWF stations, PWF probably used for aircraft navigation

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