https://declassified.library.utoronto.ca/files/original/7a035d7aef5cb90d012e9b9aaf04441d.pdf f639bc391a5cb7c8fef95d32eec1ae6f PDF Text Text Document disclosed under the Access to Information Act - M E _bS46^it tftoUIKM en vertigo!*_-«'su(fMce£a fjnf^rmation FOR C O M M C E N / S I G N A L S U S E NUMBER ! PRECEDENCE . ACTION FROM TO DATE - TIME GROUP PRECEDENCE • INFO DEFERRED 17 DEFERRED MESSAGE INSTRUCTIONS Z OCT 6fc CANARMY GR SECURITY CLASSIFICATION CALK UNCLAS ORIGINATOR'S NUMBER SIGS 4118 INFO SIGS 5 ( MR TAIT) (BY MAIL) PLEASE PASS TO MAI MH WATSON ATTENDING SWO/CEW In OK. REGARDING SWITCH PROPOSED TO CONNECT CERTAIN HYDRA CIRCUITS DIRECTLY AND BY PASS STRAD FOR SPECIAL MESSAGES.! REQUEST YOU TRY OBTAIN AGRERMIRT WITH AUTHORITIES CONCERNED ON SUITABLE INDICATOR TO PRECEDE NORMAL START OP MESSAGE INDICATOR VZCZC ON MESSAGE TO BE BYPASSED, SUGGEST THIS BE THE SEQUENCE OF FOUR MACHINE FUNCTIONS LINE FEED CARRIAGE RETURN LINE PK&D CARRIAGE RETURN j IMMEDIATELY PRECEDING VZCZC DRAFTER'S REFERS TO MESSAGE OFFICE NAME TEL. P A G E I OFJL PAGES CLASSIFIEDYESD SYSTEM FOR OPR'S USE CAFB 1718 (JSF) CNS 1320 A RCAF S43 7530 . 21 • 562 (REV 3 / 5 9 ) (REV 3 / 5 9 ) (REV 3 / 5 9 ) . 1556 O P E R A T OR NOD D P « Barnes (Capt TIME SYSTEM OPERATOR D Sigs 2A 2-7136 RELEASING OFFICER'S SIGNATURE / ( P D Smith) Col COPY 4 000155 � 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 HY00176 Title A name given to the resource [HYDRA bypass] Date A point or period of time associated with an event in the lifecycle of the resource 10/17/1963 Source A related resource from which the described resource is derived Hydra Communications - Policy, RG24, 1250-36 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 Emergency planning, Emergency communications, EASE, STRAD Description An account of the resource Telegram from L.C. Tait (Sigs 5) to M.H. Watson pertaining to Hydra circuits bypassing STRAD. Tait suggests "VZCZC" message indicator be used to bypass STRAD. 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