The Japan SIGINT Project

Recommended Citation

"The Japan SIGINT Project", Uncategorized, February 23, 2016,

This page lists the publications and resources associated with the research on Japan’s signals intelligence facilities and US SIGINT facilities in Japan by Desmond Ball and Richard Tanter. It will be updated for new publications and as more materials from the project are available.


Desmond Ball and Richard Tanter, US signals intelligence (SIGINT) activities in Japan 1945 – 2015: A Visual Guide, Nautilus Institute, Special Report, 24 December 2015 [420 pp.]

Desmond Ball and Richard Tanter, Japan’s Signals Intelligence (SIGINT) Ground Stations: A Visual Guide, Nautilus Institute Special Report, 6 August 2015 [238 pp.]

Desmond Ball and Richard Tanter, The Tools of Owatatsumi: Japan’s Ocean Surveillance and Coastal Defence, Canberra, (ANU Press, Canberra, 2015).

Desmond Ball and Richard Tanter, ‘The Transformation of the JASDF’s Intelligence and Surveillance Capabilities for Air and Missile Defence‘, Security Challenges, Vol. 8 No. 3 (Spring 2012),

(Online addendumJADGE Surveillance Stations,

Desmond Ball and Richard Tanter, ‘In the Miura Listening Room: Radio Surveillance under Japan’s “Friendly Authoritarianism”’, JPRI Working Paper No. 103 (September 2004)

Media coverage

Bradley Perrett, ‘Focused On China, Japan Expands Sigint Stations’, Aviation Week & Space Technology, 21 August 2015, p. 69.

Hamish McDonald, ‘Japan and US enclose Chinese coast within sensor net‘, The Saturday Paper, 18 April 2015.

[Footnoted version: Hamish McDonald, ‘The Wired Seas of Asia: China, Japan, the US and Australia’ 「アジアの有線海域・中日米豪の関係」, The Asia-Pacific Journal, Vol. 13, Issue. 15, No. 2, 20 April 2015.

Underwater politics‘, Late Night Live, Radio National, ABC, 27 January 2015.

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