TOP 

pP!Jl'r Cll VISIT BI MR.1 

16th, 17th and 18th Februarz, 1953 

CIM the tol owing llO • 

II 

c "he .......... ,........,, +e ehowe .. ,, ...... , ... ed hr a 5wel 

EOI. 3 . 3 ( h) ( 2 ) 

PLS86-36/50 USC 3605 

ot oll 

lAborioaa tuk vu undertaken 1n order to ocmpq striotq with the 

ru1.ee laid dollD in Appendix P to Brus& Agre.ant, 

6. A a1•plified Tata vi.th ad boo notatim had been sent vi.th the 

1mpl•s tb1a included on1,y e&ll a1gna and frequencies uaed en •<:h llnk 

tor llbioh trattio vu present 1n the sample. 

8. At. the begjnnhtg at the •eting I baudedl ~ list 

u1ng th• ·- ad hoc not.aticn reterred to in para. 6 ibOri ana gl'ring 

a 'hPlet deecrint.ian ot th• location and tunctiona ot each link ao tar 

Form 781·C13S TOP SECRET CANOE 

Declassified and approved for release by NSA on 03-07-2014 pursuantto E.O. 1352a 
' ,' 

. ,' 

. ' •,' 

REF ID:A516927 

TOJ>=SECRET CAr~oE 

u. There 1a a ~deal ol detail aortlng and registration to be 

4aae Wore ..:.;1 prodlace th• annotated 'l'ut.a referred to abon, 

and w _,- ~t to ~" to wait a we.t or two betore the nut a7Y9 cw 

1'rca thla. 

12. lwouJ.ct like WI •rmbile to continue to ~I lraw 

material on J I• sent ill th• Hllp].e. 

(a) 'l'bv ccnaider t.bat tor the tilllt being at. least it should ccme 

I I 

(b) 1.'he intel.Ugtl'lce T&l.ue ot our intercepticn is lArgeq lc:ng 

t•N and the Ab-centre wauld 1n 111\T cue not.. be able to use it 

fol' thtdr abort. tena vork unl•• 'Yfl'l7 special arrangements could 

b9 lade tor quick d•li'f'917. 

The subject ot ~ ot cr.rpt. recovel"iea vaa not diecueeed. 

·~o3.3(h) (2) 

PL B~-36/50 USC 3605 III 

IV 

01'RBR NPICS UP'BRUD TO D Qql!@.ttl<8 WITHI ..... ___ __, 

17. Qre devel..opiag electrcinic high epeed macbin917, 

(a) tor proc:luctiaa ot randma c:ne time ke;r» 

and (b) for c~aa.q.s.a. 

lS. I la canrinced that the tuture ot cr;rpt,&naq-81• llee 

in ue at b1&b speed mch1n•• it ~en accOIDlt ot the vast bulk ot 

uteri.al that wald need to be proceaaecl. 

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Form 781·C13S TOP SECRET CANOE 
REF ID:A516927 

TOP-SECRET CAi~OE 

hill the whole questien ot security ot 

ditterait. co paper. 

(c) Aa regard.a disa•natico in he sa.id that 

Sigint aecur:l.t7 mthod.a and aend/it to me .. 

EO 3 . 3 ( h) ( 2 ) 

PL 86-36/50 USC 3605 

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Form 781°Cl3S TOP SECRET CANOE 
3. 

TOF 

R:lt'F ID· n.-==;,1,:;;927 .Eb 3.3(h) (2) 

SE~ ....... T"'\ ~ ,.._, • .., - O .. E. /.... · .. •··.· .. p······· L .... \ ..... s·· .. 6-36/50 use btt:J±; 1 bf\:j__ . Appendix\' A' 

____ ___.I asked for three things: -

(a) Spaced loop D/F equii:-ent (1.5 - 12 ftc/a acceptable) 

(b) Mobile 'singlet loop equ1Jlll8D.t (l.5- 15 Mc/a acceptable) 

(c) HF receiftra; to good. but not necessaril,y field, tropical 

standards; a 80 h.-.eticalq sealed as to preclude maintenance in the tield. Frequency cOY"erage 1. 5 to at least 

20 Mc/s. 

4. I told I ... _____ .... 

Form 781-Cl3S 

(a) That dellver,y ot the Marconi DFG29 spaced loop equiPJ19llt 11 

which be was aware or, vu at least eighteen mcntha and 

that there was no other equipll9nt knmm to me vi.th Mrlier 

deliver,y. 

(b) That no HF loop equipaent was 1.nmediat&l3 available; 9ither. 

as tar u I know• ccsmerciaU, or fl"Obl Government sources .. That ve, Ot11"8elvea, were about to adapt an existing receiver; 

po88ibl,y the G.E.C. BRT400 (a eOlllll8rcial write up on ldlich 

I left. vit.b him) b,y the dev$lopaent ot a simple screened 

loop eryetea. That we would. add his requirement of 1.8 

sets to the production run and do our best to meet the 

target. date ot tiret deliveries in six months ttite. 

That these sets would be tropicalised, as far as.possible, 

and would be cmplete with any auxiliary equ.ipnent {such aa 

cmvert.on tor battery opi!ration) and a pack ot $par,es 

( pret'erab.q t lite-tble' ) Q 

I undertook to send dets.:l.ls ot the equipr1911t 11 as •soon as 

it had reached the design stage.. I ea.id I thought the ee)St : :: ::rut~ with spares backing. would be 

(c) That we would do our best to start the euppl,y, within a 

month, or 60 HP' receivers or a general purpose t~picalised 

pattern. (I did not e<Blit iqyaelf to a apecitic.type but 

indicated it would probab]J' be a standard ~e) o That 

the cost with spares backing would be aboutf.___J pair kit,, 

TOP SECRET CANOE 

3605 
REF ID :A516927. 

TOPn SECRET CA~rOE APP'!Dd.ix 'A" 

(d) That the abovo agiementa Wl"e made oo the assumption that 

a satista.ct.ory urangamea:it. !or the fonnal transfer- t">f i.-Le 

8qU!paent would be -.de shortly .. 

5. As r I inquired abal1t prices f I judged that. he JI as controller ot the e4w:pmeue ccaAerned,, bad auumed that t.hey might have to !ao" up 

to pqamt .. 

6.. Tbs discu·. ssion was·. extreae]J- eol"dial and I had the imp:ressian that :i 

though theL lwere bitterl,y disappointed we could not assiat them by the 

suppl.J- ot spaced l.C)op equiJ891lt., nnert:.heless they were Vfn'¥ grateful fCYl' 

the aid we ve!"8 able to otter, particular~ the eighteen mobile D/F 

equiplMlts • 

7. 1-----~old • t.hat h:la interests veH full,y :represented. on 

the CHE'1', 110 that there is•. apparentl.7 a satisf actoey c:oordi.nation of their 

scientific ettort.. The subject ot miniaturisation eamo up and he stated 

that be was not aware\t:Jt &I\}" special progress in that field., resulting in 

the production or ve:17\emal.1 receiTers of the pocket type,, etc. 

EO 3 . 3 ( h) ( 2 ) 

PL 86-36/50 USC 3605 

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Form 781-C13S TOP SECRET CANOE