Browse Items (37296 total) Browse All Browse by Tag Search Items Previous Page Page of 1865 Next Page Sort by: Title Creator Date Added [New Antenna System] Department of National Defence undated [Note to file: HYDRA Communications] Department of National Defence 07/08/1960 [Online Net Requirement] Department of National Defence Aug. 1965 [OTC Circuit Rearrangement] Department of National Defence 09/28/1959 [Ottawa Wireless Station Tape Relay Centre] Department of National Defence 07/15/1965 [Partial memo] Department of National Defence 12/01/1958 [Pearson to Foulkes] Department of National Defence 11/29/1946 [Peck to Bremner on Broadband amplifiers] Department of National Defence 01/08/1958 [Piccolo and Alvis] Department of National Defence 06/15/1966 [Piccolo and Alvis] Department of National Defence 06/27/1966 [Placement of Civilian Operation Personnel in Consequence of Relocation of Hydra Relay and Radio Centre] Department of National Defence 06/25/1965 [Possible comment for House of Commns?] Department of External Affairs Undated. [November 1957] [Re: ACP 121] Department of National Defence 10/17/1963 [Release of letter] Department of National Defence 09/14/1966 [Relocation of HYDRA Relay and Radio Centre Operating Personnel] Department of National Defence 06/11/1965 [Relocation of HYDRA Relay and Radio Centre] Department of National Defence 06/26/1965 [Relocation of HYDRA Telegraph Relay Centre/Expansion of EASE Automatic Telegraph Relay Centre] Department of National Defence undated [Relocation of HYDRA Telegraph Relay Centre/Expansion of EASE Automatic Telegraph Relay Centre] Department of National Defence undated [Resend standby power] Department of National Defence 02/12/1960 [Response to D Sigs Technical Instruction 1963/2] Department of National Defence 08/28/1963 Previous Page Page of 1865 Next Page Output Formats atom, csv, dcmes-xml, json, omeka-xml, rss2