https://declassified.library.utoronto.ca/files/original/dcf48daa9c8f89e319c2bd3f8f002781.pdf 6189dbc9f57e40ecb6c465108a7f1824 PDF Text Text ?mm Lt CKL j.w* Gillett Document disclosed under the Access to Information Act Document divulgue en vertu de la Loi sur I'acces a I'information C t r n E T Sigs 5 sarcatrtzutc of Slgc&lrj ^ £ V* | X t ^A> (f SS3K5S5 I ^ ^ S 125036 (D Siga) rrors i26o»_>o»i QXT..7A 4t Ontario / April 1964 Dear Thank you for w u r Diy_j649 of 6 T>ee 1963 aa_ for tho uecnHpuEtfiafT T0ft»7 hanr*book« Wo xjnuW l i k e to answer your anjTlnsfir^o queries with a nunbor of f i m proposals '-felon i t i s hop*" say fora tho basis of a m-Wimbigaous cotrroe of action. Thea© aafls a s follows* a* Ea lino with ''our plan® i ,t Is our intention t o1 purchase •rcJtiV.ST ?!t-ur,IEi 'V.XS!3) wWE.. Mia*T^l !R0 SWOIF. .EH™ t o so ooulp those PHll® tdor'roph channels assigned to rartlo f a c i l i t i e s planned betwssn tha new C. .HP toraln_.l and tho DtfS toe_sl__-l In Pritais* b» -"ttK? contrails* 3?a;_0 tolsgraph c^uuaaolai will pcnaaasntly oporato a t a pas* cftaxx-_CL rate of 45*45 bauds* 0« If* f*r technical reasons., i t becano nooesouyy to rtpomto for ua unflotorraino^ poriort without TAR_71 P then such STRAD tolo-^ruph channels woul' rerain a t a per Channel rato of 45*45 bavK.8* d« I t I s cot Ifltocdod t o uao 70Rs»7 in tho (1X4) 4 « ohan HDX r^ido but t o permanently operate in tho (XX2) 2 - ehan _!0X socles t h i s will produce a nul-ipleaod telegraph channel of a synchronous xut© of 86 bauds fr-«n two 45*45 bauds etart-»stop telegraph channels* 0* Fig 1 of D Si^s Dug Vh 1 is our Interpretation of how you propose t o uao T0H»7 (aa par your para 2) vMlat> as a eounta_» proposal, Pig 2 shows our approach t o tho subject* f« T fe eonfira that a m-drain delay of 4 characters In the T'W? repetition cycle will bo adequate* g* A "character rtaaaadlng* (AHQ)fflC.equipment i s virtually eaocntlal for uao with .TIVP eirouits wrking into radio channels, tho 7i.reoi_I *Autoapee" does aaot fulfil this function* In a ^ i t l o n , our CE*tAD Has not boon prorpjuaaal to accept "error indicating" characters* SECRET SECRET 000076 �Document disclosed under the Access to Information Act Document divulgue en vertu de la Loi sur I'acces a I'information Y- -_* CF 000077 �Document disclosed under the Access to Information Act Document divulgue en vertu de la Loi sur I'acces a I'information smnss « <_ « i_0 « SECRET Ho would Ilka to talc© up the following points with respect t o PXCOTA* Should Piccolo be eventually used on Canadu • Britain radio c i r c u i t s , eonfirn that the following conditions will apply£ (1) That suoh Piccolo souipped radio channels will bo lTOJ-SSTMP. (11) That tho radio channol(s) be -lorived by "direct* modulation ( l e . AM, SSD ete) 9 that radio F_€ (WS or SFS) lo of noc'csolty esssluded and that tho radio frequency channels nay ba 'HP' or *X_?*« Son© eoaaidorublo Haeussion has taken place In the past on tho provisioning of a 'black box1 "*or Installation a t 'th© new Canadian tomlnol* This would perform certain channel switching functions so that botwoen throe (only) selected stationsa FLIS" nosoagos wroid be directly routed towaiOs their destination aa well aa being processed by the C?RAD» Tho channel switching functions a r e onTv possible If the chunnola concerned aro ( i ) normally connected t o S7RAD9 ( l i ) have tho sane telegraphic r a t e and ( i l l ) are nott-ETXJ equipped* Onlv the eablo circuit t o Britain aeots these reouiro-ienta but we have, however, propoaod (above) that t M s channel £$&$£& a t 45*45 bauds (so as t o take advantage of unused T^TK? channel capacity) Whoreas the other two stations aro planned t o operato a t 75 bauds* (See Figs 2 & 3 of Bwg th 1) 'to feel that the ».'.TiS1TS TT,/\Sm» ahoul"> cot rocoive special treatment that would create _. now •SUPI^FL.IS"* grading but should be handled by the vorv adcouate f a c i l i t i e s nonaally afforded by tho 37R.fD. Tho relevant correspondence i s a s followss a« T> Sir? l e t t e r s ?»grs 1250 & of lA/Bfi&p 1/5/&3 and l/Ll/£>3 rospoctlvoly# b* **IS l e t t e r s TO/&29 of 2/3/62 and DD/3643 of 6/12/.3* Wo noto the reaarlc concerning the adoauacy of the present truffle capacity between Britain am! Canada (your eub»pura (d) refers)* Wo foal* hoxievnrj that vou m y be interest© 1 in additional alternate radio channel capacity tshich nay possibl-' bo nido available by an allocation of part of the expansion capacity existing on our radio lltfe into the »CWR*JJ' Britain t o r a l m l a t Boddlngton. If you are interested, ws both could, after further e'jploratory correspondence, approach *TQ OOMBAfl t o obtain t h e i r views® tour earliost eomenta would bo appreciated as we shortly intend to plaoo equipment orders* fours sincorelyp Mr* B« Sail Biplomtic Wireless Service Foreign *>ffice London^ S*W« 1 England* CO. Sigs 2 BDF 9»1%1«1/G!llatt S 2CaEr S E C R E T «_***-^ i^i__ • 000078 � 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 HY00202 Title A name given to the resource [EDC, Piccolo] Date A point or period of time associated with an event in the lifecycle of the resource 04/08/1964 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 EDC equipment, Piccolo equipment, and "black box" for Alerts traffic. Gillette suggests elimination of black box for Alerts traffic, noting STRAD can handle Alerts traffic. 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