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Declassified and approved for release by NSA on 11-12-2013 pursuant to E .0. 1352a 
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UNITED S~l!ES OF AMERICA 

FEDERAL COMMUNICATIONS COMMISSION 

Washington, D. C., August 18, 1944 

I hereby certify that the attached are true copies of' documents 

described as follows: 

Document No. 1 is a true copy of the weather messages which Major 

Wesley T. Guest (now Colonel), U.S. Arrq Signal Corps, requested 

the Commission's monitors to be on the lookout for in Tokyo broad• 

casts and to advise Colooel Bratton, AnqMilitary Intelligence, 

if' any such message was intercepted. This request was made on 

November 28, 1941 at approximately 2140 GMT. 

Document No. 2 is a true copy of a weather message from Tokyo 

station JVW3, intercepted by Commission monitors at approximately 

2200 GMT, December l+, 1941, which at 9:05 p.m. EST, December 4, 

1941, having been unable to contact Colonel Bratton's office, 

was telephoned to Lieutenant Brotherhood, 20-G, Watch Otf'icer, 

Navy Department, who stated that he was authorized to accept messages of interest to Colonel Bratton's office. ' 

Document No. 3 is a true copy ot a weather message from Tokyo 

station JVW3, intercepted by Commission monitors at 21.30 CJ.fr, 

December 5, 1941, which was telephoned to Colonel Bratton at 

his residence at 7:50 p.m. EST, December 5, 1941. 

Document No. 4 is a true copy of two weather messages intercepted by Col!IDlission monitors from To}C7o stations JLG 4 and JZJ 

between 0002 and 0035 GMT, December 8, 1941, and telephoned to 

Lt. Colonel C.C. Dusenbury, U.S. Army- Service Corps, at the request of Colonel Bratton's office at approximately 8 p.m. EST, 

December 7, 1941. Document No. 4 also contains the Romaji version of these messages. 

on file in this Commission, and that I am the proper custodian of the 

same. 

(SEAL of the 

F.c.c.) 

IN WI'mESS WHEREX>F, I have h~reunto set 

my hand, and caused the seal of the 

Federal Communications Commission to 

be affixed, this twenty-first day of' 

August, 1944. 

/s/ T. J. Slowie 

T. J. Slowie 

Secretary 

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DOCUMENT NO. l 

GROUP ONE IS EAST WIND RAIN 

GROUP 'lWO IS NOR'fH WIND CWUDY AND 

GROOP THREE IS WEST WIND CLEAR STOP 

:i>: I :~; i :cc~ ;-.>:: .1r.~ ':T' •' I , . - ; • 

~·~•.JS 

GROUPS REPEATED TWICE m MIDDLE AND AT END OF BROADCAST 

The above are the1 weather messages Major Wesle1 T. Guest 

requested the Commission to monitor on .November 28, 1941 

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DOCUMENT NO. 2 

TOKYO TODAY NORTH WIND SLIGHTLY STRONGER MAY BECOME CLOUDY 

TONIGHT TCUORROW SLIGHTLY ClOUDY AND FINE WEA'IHER 

KANAGAWA PREFECTURE TODAY NOR'IH WIND CWUDY FROM AFTERNOON 

MORE CLOUDS 

CHIBA PREFECTURE TODAY NORTH WIND CLEAR MAY BFCOME SLIGHTLY 

CLOUDY OCEAN SURFACE CAIM 

Weather message from Tokyo Station JVW3 transmitted at approximately 2200 GMT, December 4, 1941. 

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OOCUMENT NO. 3 

TODAY NORTH WIND MORNING CWUDY AFTERNOON CLEAR BEGIN CLOUDY 

EVENING. TCllORROW NORTH WnID AND LATER FROM SOUTH. (repeated 

3 times) 

Weather message from Tokyo Station JVN3 transmitted at 

approximately 2130 gmt December 5, 1941 • 
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OOCUMmT NO. 4 

English 

THIS IS IN 'IHE MIDDIE OF THE NEWS 

BUT TODAY, SPECIALLY AT THIS POINT 

I WILL GIVE 11iE WEATHER FORECAST: 

YraST WIND, CLEAR 

vm>T WIND, CLEAR 

THIS IS Dl THE MIDDLE OF THE Nl!l'IS 

BUT 'roDAY, AT THIS FOINT SPECIALLY 

I WILL GIVE THE WEATHER FORSCAST: 

WEST WIND, CLEAR 

WEST wnm, CLEAR 

Romaji 

NYUSU NO TOCHU DE GOZAD.IASU GA 

HONJITSU WA TOKU NI KOKO DE 

TENKI YOHO WO MOSHIAGE MA.SU 

NISHI NO KAZE HARE 

NISHI NO KAZE HARE 

NYUSU NO TOCHU DE GOZAD4ASU GA 

KYO WA KOKO DE TOKU NI 

TENKI YOHO WO MOSHIAGE MASU 

NISHI NO KAZE BARE 

NISHI NO KAZE HARE 

Above are the two weather messages from Tokyo stations 

JLGJ.. and JZJ transmitted by them between 0002 and 0035 

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