Ancestors

Toot

Written by Andrew Kalat on 2025-01-15 at 00:49

https://www.twz.com/news-features/what-the-navys-massive-orca-submarine-drone-is-actually-capable-of

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Descendants

Written by Viss on 2025-01-15 at 00:52

@lerg im always curious how stuff that goes deep underwater maintains comms or is able to tell how far its gone without radio or gps

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Written by Chilly :donor: 🛡️ :fedora: on 2025-01-15 at 00:59

@Viss

From what I understand, they usually resurface a bit to fully transmit but not 100% on that.

@lerg

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Written by Viss on 2025-01-15 at 00:59

@chillybot @lerg thats what i currently assume but i also wager theres some special sauce too

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Written by The Doctor on 2025-01-15 at 01:03

@Viss @chillybot @lerg Surface to satcom, or if it's a very large sub (which this one is not), ELF (which requires a very, very, very long antenna).

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Written by Andrew Kalat on 2025-01-15 at 01:21

@Viss I dunno on this one. But larger manned subs have trailing antennas they can float to the surface. They also can receive very slow ELF signals at depth. Enough to get say their call sign and come up to comms depth and raise an antenna out of the water for the full message. ELF is wild. Needs miles long antenna farms to transmit.

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