https://declassified.library.utoronto.ca/files/original/298a2f04b3e199eeef59fd6afb43a160.pdf 936ae6f0845f5687f628e13f943d5ffa PDF Text Text Document disclosed unci Document divulgue en vertu de la Loi sur faeces a {'information I: WC173 WAA033 CPC 1 23/18562 70OZ APR 71 "pft A#'< *#? @mty* fa, or.KROn ROCKCLIFFE ! »i#. / # •/ 7 ^r ^ if I D E N T I A L OF JQ& _£CT: - -3 APR W t JECT:(HYDRA DIPLOMAT CC rrjsj u w urn: FOR THE SU-JECT CCTS THE OTTAWA AREA AMD THE CONNECTING F. ftifa BETUEI7! LONDON AND «ftSHiNtrr< , ' C7 7 7 C7 TIONS OF CCT DOWN TIMES ON THESE CCTS DUE TO M O D I F I C / ' FORMAT SOMEWHAT LESS TH VICE MESSAGE POf 3a .7 A BREACH OF SECURITY. IFICATK THIS UNIT IS R IN .FORMAT TO THE CFCC CANTRiriSTA 4. 'ER REQUEST THAT FORMAL VERIFICATION BE . CHEDULEJ) DOWN ... REALIZE T H I S 1-JILL BE AFTER THE FACT BUT REQUIRE FOR RECORD PURPOSE. CO 7 _ ^ W ^ ^ ^J^u ~&Luy_ ~et#(A( ?*<> a^ 7/ 000210 ^/ygb^^te � 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 HY00356 Title A name given to the resource Hydra Diplomatic CCTs Date A point or period of time associated with an event in the lifecycle of the resource 04/23/1971 Source A related resource from which the described resource is derived Fixed Communications - Hydra Telegraph Relay System - Relocation of Hydra - Plans and Policy, RG24, S-2723-2, Vol. 2, 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 teletype lines, telegraph circuits, Rockcliffe Description An account of the resource Telegram from CANCOMMRON Rockcliffe to CANFORECHED, for DCRS 2-4-3. Telegram notes that Rockcliffe is "the sole DND engineering agency for the subject ccts in the Ottawa area and the connecting facilities between London and Washington." Telegram indicates that recent notifications of circuit down times have been in "less than a service message," possibly compromising the security of the network. Rockcliffe requests in future these notifications be sent in more secure format and request record on down times of all Hydra circuits. Publisher An entity responsible for making the resource available Canada Declassified Type The nature or genre of the resource Text Format The file format, physical medium, or dimensions of the resource PDF Language A language of the resource en