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Japanese Naval Cyphers and Ransuuban. Historical notes on the introduction by the...

Catalogue reference: HW 50/73

What’s it about?

This record is about the Japanese Naval Cyphers and Ransuuban. Historical notes on the introduction by the... dating from 1944 Nov 01 - 1945 Aug 05 in the series Government Code and Cypher School and Government Communications Headquarters: Records.... It is held at The National Archives, Kew.

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Full description and record details

Reference

HW 50/73

Date

1944 Nov 01 - 1945 Aug 05

Description

Japanese Naval Cyphers and Ransuuban. Historical notes on the introduction by the Japanese Navy of a new regionally allocated strip key cypher (Ransuuban)

Held by
The National Archives, Kew
Legal status

Public Record(s)

Access conditions

Retained Until 2004

Closure status

Open Document, Open Description

Subjects
Topics
Conflict
Intelligence
Navy
Operations, battles and campaigns
Record URL
https://beta.nationalarchives.gov.uk/catalogue/id/C11205629/

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Series information

HW 50

Government Code and Cypher School and Government Communications Headquarters: Records...

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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)

149 records

Within the series: HW 50

Government Code and Cypher School and Government Communications Headquarters: Records...

You are currently looking at the piece: HW 50/73

Japanese Naval Cyphers and Ransuuban. Historical notes on the introduction by the...

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