3 ms·

AIUI, GPS doesnt penetrate very far below the ocean surface. It would be interesting to know what alternatives they are planning for navigation.

• cyberge99 5y ago
  Some auv’s have a (retractable) tether to a surface GPS. I’m not sure about this one though.
  • usrusr 5y ago
    Simple: put the receiver on the tractor kite. I mean, what self-respecting future green sea transport solution wouldn't have a huge tractor kite? And what would be more impressive than a huge tractor kite? A huge tractor kite on a tether that dives 50m beneath the surface.
    • munk-a 5y ago
      Having something extending above the surface would help with visibility for small ships as well - cargo vessels will track this automatically and most modestly sized sailboats do either have a built in unit for tracking nearby ships or folks just use their smartphones - but for really small water craft (like rowboats/dingies and personal sail-craft (sunfishes)) I'm concerned that collisions would be extremely easy.