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REF ID:A487418 

• 

!Declassified and approved for release by NSA on 11-07-2013 pursuant to E. 0. 1352§ 
-- r· - - --,:- - :- '.t:; I 

From: Tokyo. To : Was.hingt6n 

19 November 1941 

(Jl9) 

Circular #2354 

Strictly Secret: 

RE·F ID :A487418 

;i~~-~'Jit If" . ,. 

RETRANSLATION 26 Sept •. 44. 

In the ev.ent that our side's foreign 

relations are about to roll up to the shores of calamity, will 

you note that we will insert 5 times at the beginning and end 

of Gerieral News Broadcasts the f·ollowing words: 

(1) In case Japanese-American relations 

' become mortally strained ( ..-1 .... /1 ..,,~ ) , 

HIGASHI; . , '~ ~ 

(2) In the case of Japanese Soviet relations, 

KITA; 

(3) Japanese-British relations (including 

their implications in Thai together with 

Malaya and the Netherlands East Indies), 

NISHI. 
E\§'Fra-ia : A4 8 7 418 

·---· ,..._ ., 
-· 

\ 

Frea: TokJo 

Te : Washington 19 Noveaber· 1941 · 

(Jl9) 

·circular #2354 

REF ID :A4874l:-B-- --

'I 

When our diplomatic relations are 

becoming dangereus, ve will add the fellowing at the beginning and end of our gener'l intelligence broadcasts: 

and included at 

(1) 

(2) 

(3) 

If it is Japan-u.s. relations, 

ttHIGASHI" • E~ 

Japan-Russi& relations., "KITA". 

1-..J~""" 

J&pan•British relations, (in-· - cludin2 Thai, Malaya and N.E.I.), "NISHI'Jt. 

r.J~ 

The above will be repeated five times 

beginning and end. 

Relay to Rio de Janeiro, Buenos Aires, 

Mex1ee City, San Francisco. 

SIS 25392 

JD-1: 6850 

y~ ~-\I~ ~j~""'..,J f/] .J ~ 

Key furnished by British (Navy says · 

Singapore to london to Hash. on 24 lo v 41) 

Signed F. 

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' \ 

From: Tokyo To : Washington 19 November 1941 

(Jl9) 

-

Circular #2354 

REF ID:A487418 

~ECRE] 

When our diplomatic relations are 

becoming dangerous, we will add the following at the beginning 

and end of our general intelligenc·e broadcasts: 

(l) 

(2) 

(3) 

If it is Japan-u.s. relations, 

"HIGASHI". . 

Japan-Russia relations, "KITA". 

Japan-British relations, (in- cluding Thai, Malaya and N.E.I.), 

"NISHilf. 

The above will be repeated five times 

and included at beginning and end. 

Relay to Rio de Janeiro, .Buenos Aires, 

Mexico City, San Francisco. 

SIS 25392 

JD-1: 6850 

ISEGRFij 

(Y) Navy Trans. 11-26-41 (S) 
,,. ... 

' . 

... -- . - . ' I 

From:: Tokyo.· 

To: Washington. 

19 November 1941 

(Jl9) 

Circular #2354 

REF ID:A487418 

ttlP Sf:(;fii ~ -ULlRA 

fr"' 

· .. ·· .. , .. , .':.:·.-. 

. t,?) ~'t'M • .1'..i. ) ,., / ' 

T- ea-VP 

When ·our diploina.tic relations are becoming dangerous, ~e wil~ add the following at the beginning an~ en1 of our general 

intelligence broadcasts: . · ;J:x ~ fk·'-t:\.;,·· c..bb"3"'-~ 

~~ ......... .,.~-+·'- >1 

(1) If fit i_~ Japan-U.S. relations, "HIGA~HI". ~~ +ff~ c 04.ll> rt ' A · <:.- \.j 

( 2),..~ Japan:...R~ relations, "KI~A" •. 

( 3) Japan-British relations, (including. Thai, .Malaya and N.E.I.}, "NISHI". · · 

~he above will be repeated five times and includeq at begi~ning and end. 

Relay to Rio de Janeiro, Buenos aires, Mexico City,· 

San Francisco. 

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TOP SECRU-ULTRA 

cTD-1:6850 (Y) ~avy Trans. 11-26-41 (S} 

·.:":.•·-;. .. :.·. . ~ ... ~ : . '.~··