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- Catalogue level
- Piece
Accessions administration: HW 18
Accessions administration: HW 18
- Held by
- The National Archives, Kew
- Date
- 2000 Jan 1 - 2003 Dec 31
- Reference
- PRO 57/15751
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- Catalogue level
- Division
General records of the Government Code and Cypher School
class="ref" href="HW-d1-c18">HW 18; German plans for sea-born invasion of Britain HW 48; Hut 6 and Hut 8 weekly reports HW 77.
- Held by
- Date
- 1914-1979
- Reference
-
- Catalogue level
- Series
Government Code and Cypher School: Naval Section: Reports of German, Italian, French,...
This series consists of records of the Naval Section comprising reports on German, Italian and French naval activity and on German, Italian, French and Spanish naval communications during the Second World War period, based on signals intelligence. Th…
- Held by
- Date
- 1938-1945
- Reference
- HW 18
-
- Catalogue level
- Piece
Deciphered high grade German naval messages NOTE: see also DEFE 3/531-551
Deciphered high grade German naval messages NOTE: see also DEFE 3/531-551
- Held by
- The National Archives, Kew
- Date
- 1945 Jan 30-1945 Mar 23
- Reference
- HW 18/18
-
- Catalogue level
- Item
New York: Unidentified statistics relating to European towns - reported to "VIKTOR"...
New York: Unidentified statistics relating to European towns - reported to "VIKTOR" by "MAKSIM".
- Held by
- The National Archives, Kew
- Date
- 1943 May 21
- Reference
- HW 15/18/18
-
- Catalogue level
- Piece
Decrypts of medium/low grade German naval cypher messages
Decrypts of medium/low grade German naval cypher messages
- Held by
- The National Archives, Kew
- Date
- 1943 Apr 29-1943 May 24
- Reference
- HW 18/74
-
- Catalogue level
- Piece
German naval section serials. Contains embryonic intelligence and cryptographic memoranda,...
German naval section serials. Contains embryonic intelligence and cryptographic memoranda, solution of decodes, translations of captured documents, decrypts and traffic analysis reports
- Held by
- The National Archives, Kew
- Date
- 1939 Sep 01-1939 Dec 31
- Reference
- HW 18/186
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U91, U245, U377, U392, U427, U455, U472, U511, U600, U618, U634, U717, U851
- Held by
- The National Archives, Kew
- Date
- 1943 May 01-1944 Nov 30
- Reference
- HW 18/360
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U107, U109, U133, U205, U216, U373, U458, U510, U512, U601, U654, U753
- Held by
- The National Archives, Kew
- Date
- 1941 Dec 01-1943 Aug 31
- Reference
- HW 18/330
-
- Catalogue level
- Piece
Decrypts of Comintern messages: Moscow, USSR, with London, Great Britain. (Described...
Decrypts of Comintern messages: Moscow, USSR, with London, Great Britain. (Described at item level)
- Held by
- The National Archives, Kew
- Date
- 1935 Jan-1935 June
- Reference
- HW 17/18
-
- Catalogue level
- Piece
Extracts from reports containing information about the activity of German U-boats:...
Extracts from reports containing information about the activity of German U-boats: U67, U191, U251, U377, U405, U432, U436, U553, U558, U589, U656, U702
- Held by
- The National Archives, Kew
- Date
- 1941 Oct 01-1943 Apr 30
- Reference
- HW 18/320
-
- Catalogue level
- Piece
Weekly reports on Second World War German army and air force communications
Weekly reports on Second World War German army and air force communications
- Held by
- The National Archives, Kew
- Date
- 1943 Sep 24-1943 Oct 21
- Reference
- HW 45/18
-
- Catalogue level
- Piece
Graph of the U-boat war Compares U-boat and allied shipping losses during the war....
Graph of the U-boat war Compares U-boat and allied shipping losses during the war. Written on the graph are developments which affected the course of the U-Boat war and reasons for the fluctuation of losses on both sides.
- Held by
- The National Archives, Kew
- Date
- 1939 Mar 09-1945 Aug 05
- Reference
- HW 18/207
-
- Catalogue level
- Piece
Comments on the ZTPG series of German naval messages
Comments on the ZTPG series of German naval messages
- Held by
- The National Archives, Kew
- Date
- 1944 Sep 26-1945 May 22
- Reference
- HW 18/160
-
- Catalogue level
- Piece
German naval activity in the Mediterranean including liaison with the Italian navy
German naval activity in the Mediterranean including liaison with the Italian navy
- Held by
- The National Archives, Kew
- Date
- 1944 Mar 19-1944 Aug 06
- Reference
- HW 18/24
-
- Catalogue level
- Piece
German naval air reports
German naval air reports
- Held by
- The National Archives, Kew
- Date
- 1943 Oct 27-1944 May 01
- Reference
- HW 18/103
-
- Catalogue level
- Piece
Italian naval communications
Italian naval communications
- Held by
- The National Archives, Kew
- Date
- 1942 Feb 24-1943 Sep 18
- Reference
- HW 18/164
-
- Catalogue level
- Piece
French naval messages
French naval messages
- Held by
- The National Archives, Kew
- Date
- 1940 Dec 16-1941 Jan 17
- Reference
- HW 18/143
-
- Catalogue level
- Piece
French naval messages
French naval messages
- Held by
- The National Archives, Kew
- Date
- 1940 Jul 16-1940 Aug 13
- Reference
- HW 18/113
-
- Catalogue level
- Piece
U-boat methods of attacks on convoys
U-boat methods of attacks on convoys
- Held by
- The National Archives, Kew
- Date
- 1941 Oct 01-1941 Oct 31
- Reference
- HW 18/189