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[–] 9 points 3 weeks ago (4 children)

I would almost guarantee that they're SURTASS cables

Undersea hydrophones for tracking submarines.

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  • [–] 4 points 3 weeks ago (3 children)

    Oh that's a good shout. Never thought about that.

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  • [–] 2 points 3 weeks ago (2 children)

    The only reason I thought about it was because I was a SONAR tech in the Navy and had friends in IUSS and SURTASS. Long-range passive SONAR like that is fascinating.

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  • [–] 6 points 3 weeks ago (1 child)

    I suppose Canada would want (and probably has) these to surveil the bay. I doubt their military installations would be on most maps of undersea cables.

    I would guess it's fiber optic cables to provide telecom access to remote communities though. It's likely a lot cheaper and easier to run undersea cables there than it would be to run thousands of kilometers of cables overland through remote wilderness and then maintain them when they're inevitabily damaged.

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