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USBLs and SSBLs

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.

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Nexus 2 Transceiver 2780
Nexus 2 USBL

Applied Acoustics

Easytrak Nexus 2 is the next generation of advanced USBL positioning and tracking system that incorporates Sigma 2 Spread Spectrum technology to provide a secure aco

µPAP 201-2
µPAP 201-2

Kongsberg Maritime

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

Alpha Portable USBL
Alpha Portable USBL

Applied Acoustics

Easytrak Alpha Portable is the compact, carry on version of the Applied Acoustics’ range of lightweight USBL tracking systems that use a vessel mounted transdu

µPAP 201-3 NEL
µPAP 201-3 NEL

Kongsberg Maritime

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

GAPS
GAPS

iXblue

Gaps is a high performance Ultra Short Baseline positioning system for locating subsea assets. It combines an USBL antenna and a fiber-optic inertial navigation syst

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