JCC minutes; GCCS staff matters, problems and promotions; weekly reports on state...

HW 14/22

1941 Nov 1-15

JCC minutes; GCCS staff matters, problems and promotions; weekly reports on state of world-wide UK E cover; weekly BP staff statistics quoting gains and losses; requirements for RAF computor officers and NCOs; terms of reference and staffing of Hut 3, comments by Services on Hut 3 matters; RAF Section to take over Met Office Sigint Staff, minute by HAS on great potential of Sigint weather reporting and need for reinforcements for Met Party; very critical letter from AGD to Dilly Knox, bitter reply from Knox who was ill and on sick leave at time; disposal of BP Hollerith tabulating cards; support for Hut 6 from 6 IS Beaumanor, HAS suggests 6 IS should move to BP, lists advantages of having its W/T I capability at BP; support from BTM; HC Kenworthy complains to EWT about PO and Union of PO Workers' interference with FO Sigint stations at Sandridge and Whitchurch, subsequent complaint from PO about FO and GCCS attitude; comparison of results from Metropolitan Police Sigint station at Denmark Hill and PO station at Sandridge, Sandridge missing some tasks; Col J Tiltman of 4 IS at Elmers School talks to Norwegian communications expert on security of Hagelin cypher equipment, Norwegians anxious to see if UK breaking Hagelin, information on Finnish Sigint organisation; summary of diplomatic intercept/cypher processed at BP, gaps in diplomatic cover; syllabus for RAF Sigint Officers' Training Course; progress to date on double transposition E, Nov 1-10; GAF adopts communications contingency measures after E keys lost in aircraft crash; security of LMT used by British agents in France, code compromised; assessment of value of captured German telephone directory for Western France; RAF Comsec, Comsec monitoring of RAF communications, Coastal Command ignores Comsec advice from GCCS, GCCS protests to Assistant Chief of Air Staff (ACAS) at AM; tactical use of Sigint by RAF; minute from EWT to AGD on speech privacy systems; liaison with Canada, detached official from GCCS to head Canadian Sigint organisation; liaison with Australia, Mr Archer from GCCS to be detached to Australian Sigint, funding problems; correspondence with CBME, RAF 51 Wireless Intelligence Unit (WIU) predicts future Axis campaign against Tunisia and provides supporting Sigint evidence, chart illustrating all delays in sending Sigint traffic from ME to BP

Public Record(s)

Open Document, Open Description

Topics

Europe and Russia

Air Force

Conflict

Maps and plans

Australia and Pacific

Intelligence

Americas

Middle East

Communications

Operations, battles and campaigns