Dead reckoning. Usually hit or miss on the surface. Probably worse under the water.
Comment on Tragic Titan submersible’s $62 SanDisk memory card found undamaged at wreckage site
Geodad@lemmy.world 1 day agoYou use your starting point as a baseline and keep track of the movement of the craft.
bold_atlas@lemmy.world 1 day ago
BeardedBlaze@lemmy.world 1 day ago
Just because you set the sub to a set knot speed, doesn’t mean it’ll actually cover that distance in that time. There are ton of currents going in all different directions.