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                  <text>Document disclosed under the Access to Information Act Document divulgue en vertu de la Loi sur I'acces a f information

%•'

...

dieted jthe formal a r r t r g
of tho t r i p a r t i t e a l e r t s procedure,
he es'
dori
.ane or xuttint"-the
ve i—ve
&gt;.
iure intc i
t i c a l e f f e c t , t 1 hnvs olreaa
th Arnold Smith, aa \I &lt;ex±»ect
it questions whioh we have to
13 r.k

p a l e r t s ^urpoeos on a continuous 2l+-hcjr b a s i s .
It
noe a l l t r a n s a t l a n t i c
,arbanoe owing to ionospheric
fererce,
a submarine cable can provide; the Recessar;
ah cable i s at preeent available for the
talon of I n t e l l i g e n c e telegrams without r i s k of,
antic submarine oabl* offerfe
a ^ i r c u i t wh,ich would free us
. from dependence on r * ' i i l coiViilitfons aha,from the
Mc
channalii.
v, tha
c a r r i e r of our t r a n s a t l a n t i c
tr
•esent i s
i i $ i speed r a d i o t e l e - t y p e
; Kin^
iada known as
s c e r t a * n l ; highly e f f i c i e n t , but
laqtl
be
auditions,
At such timesv urgent telegrams
dlveH
einnels5* Ar.
h we have considered io the new
view of i t s operatior
would avoid the danger of dela^ throi
I n t e l l i g e n c e Committee,

ionospheric/

�Document divulgue en vertu de la Loi sur I'acces a

{'information

s *m*»
•'

&gt;

lerference.
The d i f f i c u l t y In t h i s case,
a i n i o i , i s that this i s an international commercial
the operation of which i s not normally under the
rol cf Governments. * Sven i f arrangements were made for
* immediate clearance of .the l i n e s in an emergency for the
je of alerts i n t e l l i g e n c e , the execution of such
arrangements would s t i l l remain partly in the hands of an outanjaation and thus would not provide us with tfie
teed coi.B,,unic&amp; ivH3 which in our opinion are v i t a l .
of achieving reliable and guaranteed
between tho throe Governments seems to us to l i e
&gt;1 tt w circuit Ir the transatlantic cable.
ral Poat Office here have given uS tc
i t to Canada would be of
C,CQC e year.
Post Office expect that
4 r c u l t JTMICMO Jn October, cxtOmf
Tier i f we
it urgentlyT Th* link from
. resumabl; be a special direct
shlngton alerts roc
I hev* the impression fr

r previous discussidn of
^vernment would be w i l l i n g
t-e of a cir CUT.
the transatlantic cable
ght in this#*£ should b« very
.oial confirmation, as we are now engat
reasury ^pre or this subject and
cesaful conclusion once we have
«

(P. K? Dean)

000146

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              <elementText elementTextId="71973">
                <text>Hydra</text>
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              <text>[Dean to Crean] </text>
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              <text>08/23/1957</text>
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              <text>Hydra Communications - Policy, RG24, 1250-36 Vol. 1, Library and Archives Canada (LAC) </text>
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              <text>Department of National Defence</text>
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              <text>External Affairs, Tripartite Alerts, radio communications, transatlantic cables </text>
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              <text>Letter from P.H. Dean to G.G. Crean, External Affairs pertaining to practical communications aspects of Tripartite Alerts. Dean suggests dedicated undersea cable circuit provided by Post Office, as Hydra is subject to outages during periods of ionospheric interference. Canada could then have direct link to Washington alerts room.  </text>
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