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Teleprinted translations of decrypted Second World War German U-boat (or U-boat command)...

Catalogue reference: HW 18/243

What’s it about?

This record is about the Teleprinted translations of decrypted Second World War German U-boat (or U-boat command)... dating from 1941 Feb 2-1942 Aug 17 in the series Government Code and Cypher School: Naval Section: Reports of German, Italian, French,.... It is held at The National Archives, Kew.

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Full description and record details

Reference

HW 18/243

Date

1941 Feb 2-1942 Aug 17

Description

Teleprinted translations of decrypted Second World War German U-boat (or U-boat command) radio messages.

Subject: auxiliaries (1941 Apr 28).

Subject: aircraft sightings (1941 Apr 17 - 1941 Jul 1).

Subject: messages from BdU and FdU on restrictions before French ports (1941 Feb 24 - 1941 Nov 20).

Subject: messages BdU regarding sighted convoys (1941 Feb 9 - 1941 Sep 3).

Subject: movements of Italian U-boats entering/leaving French ports (1941 May 7 - 1941 Sep 28).

Subject: list of reports of damaged U-boats (date, U-boat, position, cause) (1941 Feb 12 - 1941 Sep 27).

Subject: routes, supply positions (1941 Feb 2 - 1941 Aug 11).

Subject: W/T frequencies, recognition signals etc (1941 Feb 27 - 1941 Apr 5).

Subject: torpedo problems and torpedo handling (1941 Feb 25 - 1942 Jan 30).

Subject: rules of attack (1941 Jun 4 - 1941 Jun 28).

Subject: provisioning U-boats by tanker Lothringen (1941 Jun 4 - 1941 Jun 12).

Subject: weather (1941 Feb 21 - 1942 Aug 17).

Subject: southern U-boats (1941 May 28 - 1941 Sep 8).

Subject: western U-boats (1941 May 11 - 1941 Jun 30).

Subject: The Bismark incident (1941 May 24 - 1941 Jul 10).

Subject: behaviour against USA vessels (1941 Jun 20 - 1941 Nov 11).

Held by
The National Archives, Kew
Former department reference

GENERAL I

Legal status

Public Record(s)

Access conditions

Open on Transfer

Closure status

Open Document, Open Description

Subjects
Topics
Radio and television
Conflict
Weapons
Intelligence
Navy
Americas
Operations, battles and campaigns
Record URL
https://beta.nationalarchives.gov.uk/catalogue/id/C10960187/

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Series information

HW 18

Government Code and Cypher School: Naval Section: Reports of German, Italian, French,...

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

View series description

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)

488 records

Within the series: HW 18

Government Code and Cypher School: Naval Section: Reports of German, Italian, French,...

You are currently looking at the piece: HW 18/243

Teleprinted translations of decrypted Second World War German U-boat (or U-boat command)...

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