https://declassified.library.utoronto.ca/files/original/918c4664fe3ed89b2779985279dd31a2.pdf dd72adf83416c268ae30f9f233fe217e PDF Text Text Document divulgue en vertu de la Loi sur I'acces a (information • <?• * RIDEAU u ANNEX o- o^- EXTERNAL AFFAIRS J y \A -<r- C y- UK HIGH COMMISSIONER i—i O T C CHAIRMAN OTTAWA C. OF S. /K> 4 Y 4 Y I Y T^r -<r "s i C ^ ^*_A ©**1 r W//?SYY/*t&Tcrt 7- -v_ C. J. S. WASHINGTON BRITISH EMBASSY WASH: \J¥> DELEGATION NEW YORK rx S E C R E T 000148 �Document disclosed under the Access to Information Act Document divulgue en vertu de la Loi sur I'acces a f information SECRET m RIDEAU ANNEX 5 U C 0 ALTERNATIVELY USED AS TAPE RELAY C I R C U I T . f^LA/vA/VOwx ARLINGTON y v 5UC0 ALTERNATIVELY USED AS TAPE RELAY CIRCUIT. 5 U C 0 ALTERNATIVELY USED AS TAPE RELAY CIRCUIT. t- I I O T C OTTAWA _ J _L OMNIBUS ENGINEERING FOR TONE_KEYING y M E TONE KEYING LINE ENGINEERING' LINE 5UCO KJ ^ < T _ J A gtifl.iM.aJ f. *h*nKJt OSHAWA RTT <u}& Ii ^ ^ ntit TRANS-ATLANTIC LONDON TRAFFIC CENTER CABLE ^£Z\ r h UK DELEGATION NEW YORK CDN EMBASSY WASHINGTON %£Zi e*~X- CDN CONSUL] GENERAL NEW YORK H Y D R A --LINE 0. DRAWN- DIAGRAM W. S. JULY 15/55 wd SEPT 1 6 / 5 5 MAR. 1 2 / 5 7 wd wd FEB. wd 10/58 APPROVED 000149 � Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Hydra Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Identifier An unambiguous reference to the resource within a given context HY00055 Title A name given to the resource Hydra line diagram Date A point or period of time associated with an event in the lifecycle of the resource 1955-1958 Source A related resource from which the described resource is derived Hydra Communications - Policy, RG24, 1250-36 Vol. 1, Library and Archives Canada (LAC) Creator An entity primarily responsible for making the resource Department of National Defence Rights Information about rights held in and over the resource Canadian Crown Subject The topic of the resource OTC, Ottawa Traffic Centre, OWS, DND, Leitrim, External Affairs, British High Commission, Chiefs of Staff, CIA, NSA, CJS Washington, British Embassy Washington, UK Delegation New York, Rideau Annex, Arlington, Canadian Embassy Washington, Canadian Consul General New York, London Traffic Centre, LTC, Oshawa, transatlantic cables Description An account of the resource Line diagram showing Hydra connections with Ottawa Traffic Centre (Leitrim) as main hub. Publisher An entity responsible for making the resource available Canada Declassified Type The nature or genre of the resource Graphic Format The file format, physical medium, or dimensions of the resource PDF Language A language of the resource en