Relocation of HYDRA Relay and Radio Centre
Emergency planning, EASE, CBNRC, teletype lines
Letter from D.S. Blackmore, for Director, CBNRC to P.D. Smith, Chief of Defence Staff, c/o Director General Intelligence, pertaining to accuracy of CBNRC circuits. Blackmore predicts no changes to CBNRC circuits foreseen within next few months, but line speed to change when circuits are cutover to Carp.
Fixed Communications - Hydra Telegraph Relay System - Relocation of Hydra - Plans and Policy, RG24, S-2723-2, Vol. 1, Library and Archives Canada (LAC)
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