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Dear All, With respect to Right Whales in the Gulf of St. Lawrence and means to prevent collisions, has any thought been given to alerting whales of nearby ships ?; horn. Or alerting ships of nearby whales ?; sonar. Whales are intelligent and a standard code (e.g. long, long short) transmitted by underwater speakers every few minutes at a frequency within their audible range should quickly be associated with ships nearby. Slowing to 10 knots may give more time for whales to evade collision but why not use sonar ? Yt DW, Kentville
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