Communication Instructions Hydra Service Procedures (HSP 101)
STRAD, ACP 127, standards, procedures
Memorandum from W.R. Smith, Captain, Chairman, Hydra Procedure Working Group to D Comm P2, cc: HQ CFCS, 701 Comm Sqn, Ottawa Wireless Station pertaining to proposed changes to HSP 101 (Hydra Service Procedures) in order to pass traffic through STRAD. Changes initiated due to changes with ACP 127 - NATO tape relay message standard.
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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