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

SECRET
«

$

L 2720-01$ TB $Q$9 (BCRS)
JL° February, I968
SOTSfO FILE
CLOSURE OF QSHAHA TBANSffiTTBiG STATION
1«
A meeting was held on 27 February I968 t o discuss the
iJ&amp;jpHeatiens of the intended closure of the Qshawa Transmitting
Station on the Intelligence Organisation*
2*
The chairman was Mr. Settle (in t h s absence ef and
representing Mr. McCarole of Externa! Affairs Department)* Those
present Included Mr. LooMxart and Mr. tferren of sacternal Affairs
Censunioatioasf Mr* Thompson. DE Gormlbys/DW; Mr. Denning of
OBKHCj Hajor HoUyer of D&amp;S/bflDj LGOL Finch and CAPT Lemenchiel!:
of BCRS.
3*
The seating was based on the Vm I s t t e r s of 31 «fen 68
infortning CB^EC arai External Affairs of the intention t o close the
Oshawa Transmitting Station.
a*
DID representatives infososd the meeting that the Oshawa
Station was costing DHD about $200,000 per year and involved ever
20 DND a&amp;llt&amp;ry and c i v i l i a n positions* DUD pointed out t h a t the
circuit t o ALERT Wireless StaM.cn would be oatiofaotorily relocated

to another site*

$*
The fflceting then discussed the iopact of the closure of
transatlantic radio facilities provided by Oshawa*
6.
The first aspect is the four cable circuits watch are
entirely of British interest, nasaoly;
DM) 12053/^OF 2s
DND 11920/TGP 3i
BKD tt$2l/m¥ h
DSD 12787/TSP 6s

GCHQ/UK to B3A Washington
MOB/UK to British Enfeassy, Washington
MCD/OK to British Btabassy, Washington
rtyw to British Ssfcassy, Washington

I t was noted that as a carry-over froa the H5EBEA TRC
operation, the Oshawa radio system* pwvtdod a backup for these eaM.es,
but that i a fact these radio facilities had not been used for this
purpose since the HEPRA TBC was closed. I t was agreed that EbEtsrnal
Affairs will obtain British agreement that the radio i s not seeded
to backup these cables* I t was suggested that the British should bo
aoked t o inform the 88 in respect of W? 2* lie problem i s seen ever
these canes*
* * */2
„ , --5, pp«p
F"KS R'f&gt;
. — ^ •&gt;.._

.-5 i-_^.v •A2S' •*»»»»•» i&lt;»»
000214

�Document disclosed under the Access to Information Act Document divulgue en vertu de la Loi sur faeces a {'information

* t

•,"•5

fcsa

^«3f-

*S A

Si^ss

"

• I*
?.the natt aopeet in B® I1922^KSP 1 (the Tripartite Alerts
Conference network). I t was pointed out tJtat the technical
arraeigoaoot with oa»!Hi*® crypto tsade St liapoosible to use radio
uaolaip for tide network, ffe® esseting tteref«m eonelS8io4 tfeafc
withdrawal of the radio facilitiesfeaftno effect in tbia tens*
8*
The cost difficult aspect io the- lapse* on tfce 12 hour
daily use by CBKBC ef BUB ii^WTOP 5» OBIfRS uses ono of tho
isadlo ejtoanels dosing the 12 .hour part©! when they lie not' have use
«t* this cable. 08SHC representative stated that QMB&amp; needs- 2U *««#
service every day* He also pointed out that the TOP $ facility i s
aaHei up in the 081^ operational regulations to psmiM initial
support in too .period prior to avaitabiiity at the tripartite Alafto
Conlereno® cirauii.
%
BOBS loproseafcaitv© eonfirsed that the circuit engimerlns
feailiiy in f&amp;© radio oyetaa vm not eaeentlal c&amp;m the xadlo traffio
channels ware ©eased. Ag&amp; ongiosoriag coordination could thsreciftar
be effected by fBLEU or tolephene*
10.
I t was noted tfeat TO? 5 i s sharea between the CBiae-SOilQ
function (12 houi^day) and BIB (Qi^*%8ffl)IW®®fy (12 hcmts/day)* ffes
military 12 hoar period is flnaneed entirely by MSM8U; fee 0BiaG*8S$8
period in fin^aeed. by equal contributions by C&amp;asdd and by UK* Tain
cablo channel easts £1^,000 %mp year, divided on foHowst &amp;
| ©*4J&amp; £89Q0g
Sjitarnal Affatra (for GB980) &amp;Q00J G$$ &amp;O30.
11*
To taoet too CBJERC fttpgceaaofe for 24 hour oarvteo and t e
«entinue Wt8 use of the eadsting cables i t would be noeeoosry to
lease another aofela channel, oceans© i t is net possible to lease osble
clmuaele for loss than 2Jt imam*
Si was sagawttcft by the eteatraan that HiD nhouM be, willing
It.
to. fey the coot of a table for 08D in return for the savingo reoulMng
firoo tftaewvo of tost Oohatm cfa&amp;iM* BB Coca podt&amp;ed out that BH&gt;
was opemtias 'under a aest eeiliitg end must tote advantage of itas
ra*li» possible saving.- TJx»© no QHD tocssitsent was Basic*
S3*
I t woe agreed that Extomol AffeSrs will, prepare a l e t t e r t o
th© British autfeoritioa to aaek their agreement t o the closure of tiul
oahawn etatitn an! t o initiate dissueeiea witfe ihsm of the aeti#e to
be totpa regarding TOP $•

/

tf.H* Hafih
Licutoi&amp;at Colonel
1SBS 2
* SECRET p»t=jo
**«*' :

000215

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              <text>Note to File - Closure of Oshawa Transmitting Station </text>
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              <text>02/29/1968</text>
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              <text>Fixed Communications - Hydra Telegraph Relay System - Relocation of Hydra - Plans and Policy, RG24, S-2723-2, Vol. 2, Library and Archives Canada (LAC) </text>
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          <name>Creator</name>
          <description>An entity primarily responsible for making the resource</description>
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              <text>DND, CBNRC, MOD, GCHQ, Oshawa Wireless Station, OWS, OTC, Ottawa Traffic Centre, Leitrim, Tape Relay Centre, radio communications, Tripartite Alerts, Alert, NSA</text>
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              <text>Note to file issued by W.H. Finch, summarizing a meeting that took place on 27 February 1968 regarding the closure of Oshawa Transmitting Station. Present at the meeting were representatives from External Affairs, CBNRC and DND. DND indicated Alert circuit could be relocated. Backup circuits linking GCHQ/NSA, MOD/British Embassy, Washington, and Foreign Office/British Embassy Washington had not been used since closure of Hydra TRC. Closure of Oshawa would have no bearing on Tripartite Alerts Conference Network. CBNRC access to a 24 hour channel to be negotiated. </text>
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