https://declassified.library.utoronto.ca/files/original/f475049406c4e16eccdde7b493a8bb44.pdf 1ae4e073f2f5e351b8c611ffd77d92b5 PDF Text Text Document disclosed under the Access to Information Act Document divulgue en vertu de la Loi sur faeces a {'information Ottawa U, Ontario SECRET 0 272>2 (D Coram P) _> ) June# 196$ Communications Branch Department of External Affairs East Block Parliament Buildings Ottawa, Ontario Attentions I* JE Belanger HYDRA CIRCUITS References 0 2723^2 (D Comm P) dated 21 m y 6$, 1. Enclosed for information is a copy of a diagram showing existing circuits at Ottawa Wireless Station and their planned arrangement after transfer to Carp* 2* Details on the enclosed diagram supersede those contained in the reference where discrepancies occur* P.D. Smith Colonel, for Chief of the Defence Staff mjef J*W. Shocss (2-7877 )fim 4 000152 �SECRET 5 J u w (o 5 HYDRA TELEGRAPH SYSTEM Br H Comm . .HCPDO... U 9 3 2 CDS COMGEN CDS COMCEN CBNRC EXT AFFAIRS OTTAWA CJS CIA WASH Br Emb NcY. DBr REP RADIO) RADIO RADIO RADIO) ALERT HCPJO HCPVO HCPHO BOMRO (see BELLFDX 6 0 WPM •43 -*H -»H -H R -•H 11579 CNT FDX ,60 WPM 11573 BELL FDX 60.WPM ;.11928 BELL FDX 60 WPM 11942-3 CNT2HDX 60 WPM note 1) HCPGW 30708 CNT HDX 60 WPM HCPTW 11923 BELL FDX 60 WB1 HCPGW: 11927 BELL FDX 75 WPM HCPFN 11534. BELL FDX STRAP TERMINATIONS OTTAWA 7 5 WB1 -•H FT MEADE WASH c NSA Br Emb Br Emb FDX 6 0 WPM~~| UK DU^LICA^KEYINGJ BELL 119A5 TO 1 1 9 2 2 FDX 6 0 WPM' MT H R J RADIO RADIO RADIO «TO OSHAWA VIA or 11559 «• OFF STRAD OPERATION OLC__~ HCPHO 119LL BELL FDX 6 0 WPM HCPHO 1 2 0 5 2 BELL HDX IOO WPM HCPHO 1192A BELL FDX 1 0 0 WPM HCPHO 1 2 0 5 1 - 6 9 BELL2HDX 10Q WPM HCPHO 1 1 9 3 0 - 3 1 BELL2HDX 1 0 0 WPM HCPHO 1 1 9 3 6 BELL HDX 1 0 0 WPM "* HCPKW HCPKW HCPKW (PLC one wav - NSA 1 1 5 7 6 BELL FDX 1 0 0 1 9 5 0 7 BELL FDX 1 0 0 1 1 9 2 6 BELL FDX 75 1 1 9 2 5 BELL FDX 7 5 send) WPM WPM WPM WBI " Eng VIA RADIO RADIO , RADIO ) 11558 UK or 11559 — OLC -+< -> <• - . - J -4, _ _ OLC * < — -'. - UK •3/fhen. &>53 liable OLC -• < ^ TO OSHAWA all purpose-(see note 2) _|ng_ NSA NSA ll<i22 -H -•H -H I OLC CBNRC CBNRC CBNRC CBNRC - CBNRC CBNRC LTC VIA COTC CPT Ht _ _ _T CPT/COTC 1205- FDX 100 WPM ~2 UK - 9^1. --PLC ^» MOD/OPT 11920* FDX 75 WPM * MOC/CPT 1192T FDX 75 WPM TELEX G-18 NOTES: , 1.:'" Bs^ng converted to FDX 2. Circuit 12052 works to Aleri, tft, USA as require*." Also e n g i n e e r i n g . 3. DND 11581 Carp (Stra^) to Leitrim not shown. -^ COTC MONTREAL Eng 11561 BELL HDX 60'WPM VOIGE 11558 BELL HDX 60 WPM VOICE 11559 BELL HDX 60 OSHAWA SECRET / UK � 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 HY00257 Title A name given to the resource Hydra Circuits Date A point or period of time associated with an event in the lifecycle of the resource 06/23/1965 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 Description An account of the resource Letter and enclosed Hydra line diagram from P.D. Smith, Major J.W. Sheen to J.E. Belanger, Communications Branch, Department of External Affairs . Line diagram shows existing wireless circuits at the Ottawa Wireless Station and planned arrangement at CARP. 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