Paper from EWT to C Jan 8 on expansion of BP, some 4000 personnel now employed there,...

HW 14/63

1943 Jan 1-10

Paper from EWT to C Jan 8 on expansion of BP, some 4000 personnel now employed there, questions to be raised with Chiefs of Staff on future expansion and manning, copy also to DDMI (O) who replies Jan 10; WG Welchman's report to EWT on Bombe requirementsfor 1943 with suggested letter to BTM at Letchworth Jan 5; setting up of Forest Moor as an intercept station Jan 4; letter from Wing Cdr Jones to C via EWT on recall of Scorpion Party from ME Jan 9; 16-page AS plan by AW Bonsall for exploiting GAF 3-letter traffic Jan 1, agreed by HAS who tells AM plan will start Feb 1; capabilities of BP Photographic Section; minute from AD (S) to C with comments from EWT on paraphrasing E Sigint for Allied Commands abroad Jan 5; cover plan for UK Sigint sites including tasking of GP comms Jan 1; letters between BP and HC Kenworthy at Knockholt, German non-morse cover at Knockholt, St Albans and BP; Sigint liaison with Washington, exchanges between EWT at BP and Col Tiltman visiting Washington Jan 1-5, paper by EWT and/or AD (S) to C on Sigint cooperation with US and allocation of tasks on E suggesting that UKUSA Sigint exchange should now be placed on an official basis with US Government, provision by BP of Sigint training material for US forces in UK as requested by Lt Col Bicher of US Sigs Corps; correspondence with CBME, use of Hutment and Tentage Sigint codewords, intercept from Malta, Alexandria, 380 WU Algiers, Benghazi and Sarafand, YC meeting of Dec 30 decides new UK Sigint station to be established in N Africa Jan 7, 9-page paper by DDMI (Y) on military Y organisation in ME Jan 7, AS staff postings to Algiers Jan 9; liaison with Free French in Algiers, with AM, WO, MEW and NIB; letter from Lord Farrer of MEW asking for clarification of BJ-series report quoting Italian proportion of total population in Germany Jan 5; DDI 4 to RAF Cheadle congratulating station on Sigint tip-off resulting in sinking of Axis blockade runner in Bay of Biscay; evaluation of RFP following meeting of Oct 5 1942; tracing of transmitters interfering with Sigint tasks; NIB investigates See-Saw beacon transmissions; WOYG cover plan for week ending Jan 9

Public Record(s)

Open Document, Open Description

Topics

Europe and Russia

Air Force

Conflict

Intelligence

Communications

Operations, battles and campaigns