https://declassified.library.utoronto.ca/files/original/659f93aa37b317ab06af7638cb5d859a.pdf 0b7dc80d5222cbbb8c4460754e88136c PDF Text Text FROM. Lt Col J.H- G i l l e t t . 315 SIG3 _U_U__1 SECRET Document disclosed under the Access to Information Act Document divulgue en vertu de la Loi sur I'acces a I'information ^ ms 1250-36 (D Sigs) HQTS 1260-3-O1 IffiPAl_TI-_-.IT OF NATIONAL DEFENCE AHMT CUI-DI'tH FORCES HINDQUARTERS-. o m w . . 4* OaftaplOg. 4. Scptaoberj 19&4» Dear S_ijs i s In acsuar to TOUT l e t t e r of 27 I%y and tsat'orfcusaatsly 8 Is l a t e r in coning than u~s proniseel In the Director s 1otter to $&»© Sharps* 4s you my Isnow we arc r i ^ i t a t tho eH-sax of tho BRIDGE Installation pronroQg, tlireo of the sites are i a operation,, th© fourth oss will be activated next <jeok and tyo nor© a ia©nth later# Tfe imve found i t difficult to do anything s>_copt fight the brash fires that keep breolclnr? out a l l around usss® We finally got e^srythlng under control <SZB3U<#_ to draw up this dcseript?.oa of the M ammsoaent xa® hoTO designed for special hamling ofAlorte Flash5? t r a f f i c . As stated to Mrs Sharpo i-jo ballsy© tho r e l i a b i l i t y of ths STRAB in handling these ness&Tes y i l l bo very high. The circumstances tinder which I t !_ay bo precluded frora doing so will no doubt bo peeul&ar. Unless tlio cireunstaneo is failure of tho STRffD eoulpraeat Itself s i t is highly likely tiiat any other autaoatle arrun^craont woulfl bo equally incapable of performing under tho sano conditions® ___ We decided that \iiut wis required » g a Tanual override of th© y STRAD and therefore discard®, the fully automatic design already completed* r ni© attached dmvixif; shows a device xjhieh enables an operator to talc© over either before STRAD is off tared tho Ros^a^o^ or to take over if i t tt.ppm.TB that STRAD is not able to 3elIvor tho ^oaaafj©* ¥0 iuxvo studied tbo procedures tisod at- present a t G7GP .r^itrira-ayaS tjs feel certain that the planned f a c i l i t i e s are ideal to ecntlr«j% If not Sraprovo the efficiency of handling. The Rr_odulow shown on the plan is a ^ory simple transistorised device \i-ioh v?c call a Repetitive Character Indicator. Wo' use i t to detect repeated l a t t e r TFs so that a. receive arm operator kno-wa x$i@tx a raossag© is complete1® I t can be progrurnod to rosOi^ni^o any lower e&so character repeated four tines or nor©* We have chosen th© carriage return function Tor tho Alert's riossarjo tjarnin,T as the one most unlikely to bo repeated four tfraos under other eircuastaaeos. This xiould replace the previously agreed lino foc^earrfage return functions to avoid the need for a notification of tho nodule to roco$ilsQ tt-fo ri Iff ©rent functions« Tou trill noto tiiat tho ETC controlled radio circuits to I_TQ will be busied out for the /ports message OTG^T.TC to avoid the STRAD choosing a froe radio circuit rather than tho cablo circuit! with the possibility that the I7XJ on tho radio circuit could go into repetition and delay the maoa^* We roeoaiew! that th© _KH>ED0 equipped radio c i r c i t bo designated as the parallel radio circuit to tho cablo for these mesrur^os and that this ba brouoht into the circuit bv th© HtDRA. operators ECR S l' G R U St.; erjr thii 000052 �S & G «£» tuts TO. I I I JS X Document disclosed under the Access to Information Act Document divulgue en vertu de la Loi sur I'acces a I'information E GoBseraing' t h e poinds raised in your- l a s t l e t t e r ^ m ay© i n f u l l agreement with vour par&ffmph 2 and therefor© suggest t h a t Koto 6 of Fig 2 of our Dug fib 1 d-tted April 64 b© anosTtted a s follouss "C1I/LHS 5 & 6 (WT CIRKS 3 ft A) '-IDS RI5QJ_3._?> SRQOTJ) A TOR-*? FAILORJ- ..V.E IT HWUStX&r TO TC-aTSTT TO A „!0R?£& 6^I_A_«_J3_ SfSTIS?-!". T o w pajfa#flap__ 2 ami our Figure 2 not. agre©* Reourdlnft your paragraph 4 g \s® confirm t h a t our STRAP can be arranged t o operate a t 75 b&tirlo. aa?© you a b l e a t t l i i s t i n e t o forosce any of tho PtOftG&O problems! S taoulrl appreciate receiving ax^r connent you say have oa th© plan of drau'n.r? l b 2 a t your convenience® «f*=ts*jjja 2€r„ FeB« Sullp Diplomatic Wireless 8 e r e l e % Foreign Off ico & frnrtOD* fJ-'l- J_..!_L/inD_ attach* ces Sigs 2 BDF 9~17«l«l/Glllstfc 'T S S C R S T mw» wfiw -ma. atjgi ttc*- * * j r 000053 � 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 HY00214 Title A name given to the resource [Alerts Black Box] Date A point or period of time associated with an event in the lifecycle of the resource 09/04/1964 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, Tripartite Alerts Description An account of the resource Letter from Lt. Col. J.H. Gillette (Sigs 5) to B. Sall, Diplomatic Wireless Services pertaining to elimination of the Alerts "black box" and the introduction of a manual override to STRAD for Alerts traffic. Gillette also discusses Piccolo radio testing and EDC equipment. 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