ProSAS-60

Williamson can provide and operate the SL Hydrospheric ProSAS-60 deep water survey system.  The system builds upon Raytheon/Applied Signal Technology's extensive SAS algorithm development, SL Hydrospheric platform and power/telemetry and Williamson's vast experience with deep ocean search and survey to provide a magnificent search and survey tool.

Surface components of the SLH PS60 system consist of Raytheon-AST's proprietary PROSAS software and hardware suite and an SL Hydrospheric Surface Power/Telemetry unit.  Sub-sea the system employs a Raytheon-AST 6000m housed electronics with a Kearfott T18 Inertial Navigation System, two 3-meter arrays, two projectors, an SL Hydrospheric Subsurface Power/Telemetry unit and a Teledyne RDI DVL, along with depth, SVP and other sensors. The subsurface components are integrated onto a 6-meter-long SLH towfish which is de-coupled from the towing vessel by a 50 meter umbilical and a 2000 lb. depressor weight.

Topside acquisition consists of a commercial processor with four displays that allow users to view real-time port and starboard SAS waterfalls, bathymetry, multibeam sidescan, and to view and save contacts and regions of interest for further detailed analysis. An IXSEA Posidonia USBL is used for precise positioning of the towed vehicle at all times. For imagery, the system generates real time geo-tiffs for initial data interpretation and coverage assessment while raw files can be re-processed at a later time for improved gain settings.  The proprietary Image files are easily imported into CARIS to produce bathymetry from standard processing methods.  The system provides a new level of deep, long-range, high-resolution imagery that is ideal for wreck searches, cable route survey, pipeline route survey, and a wide variety of other deep ocean imaging requirements.

Below are imagery examples collected using the PS60 in Puget Sound, Washington.

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