Division
General records of the Government Code and Cypher School
Catalogue reference:
Date: 1914-1979
and earlier papers on Japanese matters HW 67.
Piece
Catalogue reference: HW 67/1
This record is about the Reports and signals on Japanese service communications, particularly naval, including... dating from 1928 Apr 30 - 1939 Aug 31 in the series Government Code and Cypher School: Signals Intelligence on Japanese Communications. It is held at The National Archives, Kew.
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HW 67/1
1928 Apr 30 - 1939 Aug 31
Reports and signals on Japanese service communications, particularly naval, including quarterly reports produced by the Hong Kong Cryptographic Bureau
Q-2020
Public Record(s)
Retained Until 2004
Open Document, Open Description
HW 67
See the series level description for more information about this record.
Records created or inherited by Government Communications Headquarters (GCHQ)
Government Code and Cypher School: Signals Intelligence on Japanese Communications
Reports and signals on Japanese service communications, particularly naval, including...
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