Kongsberg Maritime, Norway, has expanded its acoustic positioning product portfolio, which includes the established HiPAP system, with the launch of μPAP, a new compact and portable acoustic positioning system for operation from a surface vessel to track ROVs, towfish, divers and any other subsea target at depths to 4000 metres. The system operates in SSBL mode (LBL is also possible) where it measures the distance and direction to subsea transponders and computes a 3D position in local coordinates or in geographical coordinates. "It offers high accuracy but is smaller, more compact and easier to install on a vessel or other surface unit than larger acoustic positioning systems," said a Kongsberg spokesman.
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