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EWT to DMI on UK future military Sigint cover plans, letter from EWT to DMI requesting...

Catalogue reference: HW 14/33

What’s it about?

This record is about the EWT to DMI on UK future military Sigint cover plans, letter from EWT to DMI requesting... dating from 1942 Apr 1-10 in the series Government Code and Cypher School: Directorate: Second World War Policy Papers. It is held at The National Archives, Kew.

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Full description and record details

Reference

HW 14/33

Date

1942 Apr 1-10

Description

EWT to DMI on UK future military Sigint cover plans, letter from EWT to DMI requesting assistance in GCCS recruitment; minutes of first meeting of Heads of Sections Apr 1, agenda and minutes of BP domestic meeting on Apr 6; first fortnightly notes from AS, AD (S) requests similar reports in future from Naval and Military Sections; 2 pages of complaints from FV Freeborne, Head of Machine Room Hut 7, to EWT on shortage of personnel and poor working conditions in Hut 7, staff numbers and shifts worked; figures for AS personnel working 2-shift system; Hut 3 officer liaison visits to WO; organisation of NS as at Apr 7; table illustrating proportion of Bombe processing time spent on various E keys during March; specimen new SALU Sigint report with requests for customer comments, GAF fighter defence operations on Western Front; argument for full dress rehearsal for GCCS detachment to GHQ in event of invasion of UK, letter from EWT to C asking permission to go ahead Apr 5, critique Apr 6; minute from AGD to EWT quoting amount of diplomatic intercept and making case for more diplomatic cover; chart illustrating all Sigint channels linking GCCS with authorities overseas; GCCS report on visit to PO station at Whitchurch; critique on GCCS contingency detachment to GHQ; GCCS visit to RAF Innsworth to select suitable WAAFs for Sigint work; electrical work to be done at Gayhurst, near Newport Pagnell, requisitioned accommodation for BP Wrens; contentious report by MI-6 officer on an Italian W/T network, criticising work of GCCS; liaison with Canada, Russia and Shaw at Colombo; Germans capture cypher system of Russian agents and send deception messages to Russia; correspondence with CBME, diagram illustrating ME Sigint organisation, list of Sigint staff in ME, 2 ISOS cryptographers posted to Cairo, formation of 54 WU in ME, names of personnel posted to complete staffing, AS and AM AI 4 correspondence on proposed Sigint field units in ME; Sigint reporting at Cheadle

Held by
The National Archives, Kew
Legal status

Public Record(s)

Closure status

Open Document, Open Description

Subjects
Topics
Clothing
Labour
Asia
Europe and Russia
Air Force
Conflict
Maps and plans
Intelligence
Navy
Americas
Operations, battles and campaigns
Record URL
https://beta.nationalarchives.gov.uk/catalogue/id/C5317550/

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Series information

HW 14

Government Code and Cypher School: Directorate: Second World War Policy Papers

See the series level description for more information about this record.

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Catalogue hierarchy

Over 27 million records

This record is held at The National Archives, Kew

17,110 records

Within the department: HW

Records created or inherited by Government Communications Headquarters (GCHQ)

165 records

Within the series: HW 14

Government Code and Cypher School: Directorate: Second World War Policy Papers

You are currently looking at the piece: HW 14/33

EWT to DMI on UK future military Sigint cover plans, letter from EWT to DMI requesting...

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