https://declassified.library.utoronto.ca/files/original/6bbfafee5a8119938dfe74f2cc652788.pdf 26601a5bf76464cdc36b621a6b87dd0a PDF Text Text Document disclosed under the Access to Information D cumentdNu, MESSAGE FORM ° FOR COMMCEN/SIGNALS USE • Act ^^ ^^^ (^ ^^^^°^)ition NUMBER PRECEDENCE - INFO ROUTINE TO is a * PRECEDENCE - ACTION FROM v D A T E - T I M E GROUP a& (9YS z DEFERRED MESSAGE INSTRUCTIONS JUL 65 CABFORCEHSD GR SECURITY CLASSIFICATION CA3IKET OFFICE LONDON ENGLAND SECRET ORIGINATOR'S NUMBER XOCP 9 4 1 INFO FOR HABBERFIELD FROM SHEEN. YOUR aSPS 1 7 4 9 / 6 5 DATED 1 2 JUL 65 AND FURTHER MI XOCP 9 3 3 DATED 23 JUL 6 5 . 1. KANUAL SWITCHING FACILITIES BEING PROVIDED AT CARP SIMILAR TO TIKJSE AT PRESENT PROVIDED AI LEITRIM. 2. PLANNING FOR RELOCATION IN FINAL STAGES AND WILL PROBABLY TAKE PLACE LATE 1 9 6 5 OR EARLY TO KID 1 9 6 6 . 3. RELOCATION WILL ENTAIL TECHNICAL CHANGES IN CIRCUITRY AND EQUIPMENTS UK FUNDED CIRCUITS. 4. TECHNICAL CHANGES NECESSITATED BY ( A ) REROUTE RENTED LINES FROM LEITRIM TO CARP ( 8 ) CHANGE OPERATING SPEED ON CERTAIN CIRCUITS WORKING TO STRAD AT CARP TO EITHER 60 OR 1 0 0 WFM AS STRAD NOT CAPABLE for j/5A G E S f&m*m%t£!*> r CLASSIFIED FOR OPR'S USE YES OPERATOR R DND 905 7530-21-562-1557 D NO D D 000085 �Document disclosed under the Access to Information Act - MtduADt FOR COMMCEN/SIGNALS USE F O R M Document djyulgue en vertu de la Loi sur I'acces a /'information NUMBER S P R E C E D E N C E - ACTION P R E C E D E N C E - INFO DATE -TIME G R O U P M E S S A G E INSTRUCTIONS DEFERRED FROM GR SECURITY CLASSIFICATION TO SECRET ORIGINATOR'S NUMBER XOCP 9 4 1 INFO 5. UK FUNDED CIRCUITS CONCERNED AND CHANGES TO BE CONSIDERED ARE GIVEN BELOW. 6. DND HO 1 1 9 3 2 FROM UK HIGH COMMISSIONER OTTAWA TO STRAD. CIRCUIT SPEED BE INCREASED FROM 6 0 WPM TO 1 0 0 WPM. 7* DND 1 1 5 3 4 STRAD TO UNITED NATIONS HEW YORK. 1 0 0 WPK FROM 7 5 WPM. TO 1 0 0 'AM FROM 7 5 WPM. 0 RECOMMEND CHARGE ' * DND 1 1 9 2 3 STRAD TO CIA WASHINGTON (ALERTS CIRCUIT). REFERS TO •V'5 FOR OPR'S USE <T I F NOT ACCEPTABLE CIRCUIT WILL HAVE TO BE CHANGED TO 6 0 WPM. PAGE RECOMMEND CHANGE TO DND 1 1 9 2 7 STRAD TO BRITISH EMBASSY WASHINGTON. 9. W I F NOT ACCEPTABLE CIRCUIT WILL HAVE TO BE CHANGED TO 6 0 WPM. ^ ^ 8. DATE R DND 905 7530-21-562-1557 SYSTEM RECOMMEND MESSAGE CLASSIFIED TIME CAN YES OPERATOR • N C n DATJ D 000086 �Document disclosed under the Access to Information M F ^ ^ A R F F f i R M Document divulgue en vertu de la Loi sur I'acces a FILE FOR C O M M C E N / S I G N A L S • USE * P R E C E D E N C E - ACTION P R E C E D E N C E - INFO DATE -TIME G R O U P MESSAGE INSTRUCTIONS SECURITY CLASSIFICATION DEFERRED FROM GR TO SECRET ORIGINATOR'S NUMBER XOCP 941 INFO CHANGE TO 1 0 0 WPM. SPEED. 10. ^ I F NOT ACCEPTABLE CIRCUIT GAR REMAIN PRESENT »^ DND 1 1 9 2 1 AND DND 1 1 9 2 5 CARP UK AND CARP WASHINGTON LEGS OF MOD UK BR EMBASSY WASHINGTON CIRCUIT. REMAINS 7 5 WPM. 11. DND 1 1 9 2 0 AMD DHD 1 1 9 2 6 . 12. DND 1 2 0 5 3 (TGP 2 ) AND DND 1 9 5 0 7 . LEGS OF OCHq/HSA CIRCUIT. SAME AS PARA 1 0 . fcy^+L. ^ i t { CARP UK AND CARP FT MEADE (NSAJ REMAINS 1 0 0 WPM. 0*^4*1 REMAINS 60 WPM. 13. DND 1 1 9 2 2 (TGP 1 ) LTC TO STRAD. 14. ALL CIRCUITS WILL RE UIRE REROUTING WHILE FINANCIAL IMPLICATIp^SJ. NOT YET AVAILABLE IN DETAIL OVERALL ESTIMATE I S THAT f dfuU. "COSTS (MAY BE SLIGHTLY REDUCED MAINLY OWING TO ROUTING OF SOME CIRCUITS OVER AR4Y PifflED g A M l TOOK A VCiTVy (flMTTqg FAUft) REFERS PAGE £ OF TO MESSAGE V>ASES CLASSIFIED FOR OPR'S USE 1 DRAFTER'S DATE R DND 9 05 7530-2 -562 -1557 TIME SYSTEM YES D N O D I OPERATOR DATEW D cl NAME fcjBB 40 MILKS Act /'information �M r O C H O r FOR C O M M C E N / S I G N A L S • F f l R M Document disclosed under the Access to Information Act divulgue en vertu de la Loi sur I'acces a /'information Document USE NUMBER • P R E C E D E N C E - ACTION P R E C E D E N C E - INFO DATE-TIME GROUP M E S S A G E INSTRUCTIONS DEFERRED FROM GR SECURITY CLASSIFICATION TO SECRET ORIGINATOR'S NUMBER XOCP 941 INFO SOUTH OF CARP. 15. REQUEST YOUR DECISION ON RECOMMENDATIONS IN PARAGRAPHS 6 , 7 , 3, 9 ABOVE. 16. I F CIRCUIT SPEED CHANGED RE REST YOU ARRANGE TELETYPE EQUIPMENT ACCORDINGLY AT UK HIGH COMMISSIONER OTTAWA, UN K B YojhlK, BRITISH EMBASSY WASHINGTON AND CIA WASHINGTON. 17. REVEST YOUR RECOMMENDATIONS ON HOW TO ORDER CIVILIAN COMPANIES CONCERNED TO MAKE THE NECESSARY GHAHGES> AND IN CIRCUIT SPEEDS. IN REROUTING OF CIRCUITS ORDERS CAN 3E PLACED BY THIS OFFICE PROVIDED WE HAVE YOUR FINANCIAL AUTH<RITY TO DO SO. 18. WISH TO POINT OUT THAT FOREGOING EXPLORATORY ONLY AT THIS TIME AND REQUEST MO ACTION BE TAKEN TO ORDER ANY TECHNICAL CHANGES UNTIL REFERS TO MESSAGE DRAFTER'S NAME S^fcOF glP A G E S CLASSIFIED FOR OPR'S USE YES OPERATOR R DND 905 7530-21-562-1557 D NO D D 000088 � 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 HY00272 Title A name given to the resource [Hydra move] Date A point or period of time associated with an event in the lifecycle of the resource 07/23/1965 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. 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 Emergency planning, EASE, British High , British Embassy Washington, STRAD, Tripartite Alerts, GCHQ, NSA, CIA Description An account of the resource Telegram from Major J.W. Sheen, Directorate of Communications, P 2-4 to V.J. Habberfield, Cabinet Office, London, pertaining to Hydra relocation. Sheen informs Habberfield manual switching facilities will be provided at Carp. relocation to take place late 1965, early 1966. Technical/circuit changes will be required. Sheen provides list of UK circuits to be affected by changes and asks for recommendations. 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