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Sonardyne Fusion 6G LBL

Fusion 6G® continues to be the world’s most popular Long BaseLine (LBL) acoustic positioning system by providing the most accurate method for installing subsea structures, tracking ROVs and conducting acoustic metrology. The system operates by measuring acoustic ranges to a seabed array of transponders. The ranges are then passed through a least squares computation to precisely trilaterate a position. As the system utilises a fixed seabed array, the system precision remains the same regardless of water depth.

Fusion 6G® builds on Sonardyne’s existing Fusion LBL software to provide support for the latest generation of Sixth Generation (6G®) instrumentation platform. Keeping a familiar front end software interface along with fully proven wizards to drive the technology means the switch-over to 6G® technology can be considered a low risk process to existing users. When used with Compatt 6 or AMT transponders and a 6G® transceiver, operators have access to the latest Sonardyne Wideband® 2 acoustic navigation and telemetry options.

Sonardyne Wideband® 2 improves on core Wideband 1 technology to provide a more robust solution which can extend the operating capabilities of LBL systems even in the most challenging subsea operating environments.

It allows users to benefit from significant time saving when using the latest Compatt 6 and RovNav 6 equipment which is achieved through a more efficient setup sequence and the ability to perform simultaneous baseline calibrations, dramatically reducing the time taken to calibrate an LBL array. Wideband 2 also allows for signal diagnostics on both telemetry and ranging signals gaining confidence for achieving the correct range which is essential for metrology operations or supplying ranges to aid inertial positioning systems such as Sonardyne’s SPRINT.

Key Features
– Faster setup using new telemetry commands
– Data storage and retrieval in Compatt 6 such as installed array co-ordinates
– Real time signal diagnostics for critical application QC
– Faster to calibrate using simultaneous baseline calibration
– 500+ non-interfering unique addresses for field-wide simultaneous operations
– Compatible with previous generation Sonardyne hardware
– Uses industry standard Blue Marble Geodesy Website for Geodetic conversions

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