Ultra-Short Baseline and Super-Short Base Line is a method of underwater acoustic positioning. A USBL transmits an acoustic pulse which is detected by a transceiver and converted into a range. With both range and distance measurements, a USBL or SSBL is able to position an [AUVs - Autonomous Underwater Vehicles] or [ROVs - Remotely Operated Underwater Vehicles] kilometers away with a 0.1 angle accuracy.
Portable and fully immersed metrology class positioning system for diver. The system is controled through an Android underwater tablet and is dedicated to scientist
This is the portable member of the world's most successful SSBL (USBL) systems in the HiPAP family. Operates also LBL and high speed acoustic link.
The μPAP Precision Acoustic Positioning system operates in SSBL mode (LBL is also possible) where it measures the distance and direction to subsea transponders and c
Sonardyne International Ltd.
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