https://www.subseatechnologies.com/applied-acoustics/easytrak-usbl-systems/pyxis-ins-usbl/
Easytrak Pyxis INS + USBL
Pyxis INS + USBL takes the best of aae’s USBL technology and combines it with an advanced inertial navigation system (INS) from one of the most respected names in the industry, creating a state of the art, inertially aided Ultra Short Baseline system capable of highly accurate subsea tracking with survey grade performance.
Key Features
- Integrated INS + USBL
 - Bi-directional Sigma 2 Spread Spectrum acoustics
 - Calibration free, easy mobilisation
 - Independent INS data
 - Improved positioning accuracy and stability
 - Multi-Fire optimised beacon refresh rate
 - 16 target tracking
 - Geographical navigation overlays
 - Data and Event Logging
 - Data replay functionality
 - Data telemetry options
 - ITAR free export
 
Typical Applications
- Very shallow water tracking
 - Horizontal tracking
 - UXO survey positioning
 - Long range tracking
 - Launch & Recovery operations
 - AUV/ ROV tracking
 - Long layback operations
 
Resources