Underwater Acoustic Positioning

Raspi²USBL: An open-source Raspberry Pi–Based Passive Inverted Ultra-Short Baseline Positioning System for Underwater Robotics
Raspi²USBL: An …

What We Built

Accurate positioning is one of the first problems that appears in underwater robotics, because GNSS signals cannot be used below the water surface. Commercial acoustic positioning systems are useful, but they are often expensive, closed, and difficult to modify for research …