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1 global acoustic positioning system usbl acoustic positioning system with integrated INS positioning system page 1

2 THE MERGER OF INERTIAL AND UNDERWATER ACOUSTIC TECHNOLOGIES is a unique Global Acoustic Positioning System based on s mastery of INS and acoustic Chirp modulation techniques. For the first time, Acoustic, Inertial and GPS measurement are merged in a single process in a common housing and provide an all-in one solution for : Precise positioning of several underwater vehicles, GPS board Acoustic electronics Inertial Navigation System Acoustic transmitter electronics Chirp modulation Very high-accuracy attitude and heading data of the module support, High update rate surface vessel positioning, Robust treatment of GPS drop-out and insensitivity to GPS jumps. A REVOLUTIONARY CONCEPT FROM IXSEA OCEANO The system features decisive additional advantages : Compact & portable Plug and play Calibration-free (even when the system is moved from ship to ship) 3D acoustic array of 4 acoustic hydrophones Outstanding price ratio for this portable high-end performance system. page 2

3 , the PORTABLE USBL acoustic array with integrated INS and GPS High accuracy 0.2% of slant range. Compact & portable Sized to fit gate valves from 12. Calibration free INS and GPS inside : No need to measure installation offsets or lever arms to the acoustic antenna. No need to calibrate the system when reinstalled. All-in-one solution Robust to GPS drop-out and jumps Unique combination of information Compatible with industry standards No external computer needed : all parameters are directly computed inside the system without the need for any further processing. Taking advantage from an embedded high-class INS and of a real time Kalman filter, can filter GPS jumps and provide a smooth positioning solution. It maintains a high positioning capability when GPS drops-out (2 m / 2 minutes drift rate) and extends operational capabilities for offshore activities. Positioning of multiple underwater targets. Heading, attitude data, motion and position of the support vessel. is able to position a subsea target fitted with any industry standard transponder beacon. can accept input from any alternative GPS receiver (DGPS or RTK). Plug & Play page 3

4 System installation : the ultimate portability ship mounted underwater station or vehicle buoy installation small boat or zodiac page 4

5 A wide set of applications SUBSEA POSITIONING AUV, ROV, tow fish and pig tracking positioning Offshore construction and installation Research and salvage projects Mooring line positioning Pipe and cable laying Site survey projects Diving work supervision SURFACE POSITIONING AND ATTITUDE CONTROL Dynamic Positioning systems (primary or back-up) Reference for multibeam echosounders and ADCPs Navigation page 5

6 Performance 25 POSITIONING ACCURACY 20 Positioning accuracy at 1 Sigma (m) Slant range (m) , the ultimate USBL package High-class USBL package Medium class USBL package 200 DEG COVERAGE 3D ACOUSTIC ARRAY page 6

7 technical specifications Subsea positioning Accuracy Range accuracy Operating range Coverage Medium frequency bandwidth 0.2% of slant range 0.2 m 4000 m 200 deg below acoustic array 20 to 30 khz MFSK chirp modulation technique Surface positioning and attitude Heading / Roll / Pitch Position Position drift (GPS drop out) 0.01 deg 2 to 5 cm (external RTK receiver) 0.5 to 3 m (external DGPS receiver) 20 m (embedded GPS receiver) 2 m / 2 minutes Operating / Environment Power supply / consumption 24 V DC / 20 watts Operating temperature -5 C to 50 C Storage temperature -40 C to + 70 C Characteristics Weight in air / water (kg) 35 / 20 Housing Ø x H (mm) 295 x 648 Housing depth-rating 100 m Interfaces Protocols based on industry standards for interface to dynamic positioning system or survey system Compatible with : Any external GPS, DGPS and RTK receivers Acoustic compatibility : Most industry standard acoustic transponders Automatic sound velocity corrections 100 Hz output rate for surface positioning data Specifications subject to change without notice page 7

8 IXSEA OCEANO specialises in the design, manufacture and market of high-performance gyroscopes and underwater acoustics. It is the leading manufacturer of world-wide known products OCTANS (AHRS), PHINS, POSIDONIA (USBL system) and Acoustic Releases for shallow and full ocean depth operations. Our products are used by the offshore oil and gas industry, defense agencies, the scientific institutes and ports & harbours for navigation, accurate survey and positioning, mooring recovery and subsea and marine offshore constructions applications. Marly Office IXSEA OCEANO SAS 55 avenue Auguste Renoir Marly le Roi France Phone : +33 (0) Fax : +33 (0) Brest Office IXSEA OCEANO SAS Rue Rivoalon, Sainte-Anne du Portzic Brest France Phone : +33 (0) Fax : +33 (0) Benelux Office IXSEA OCEANO BV A.Hofmanweg 5A 2031 BH HAARLEM The Netherlands Phone : +31 (0) Fax : +31 (0) U.K. Office IXSEA OCEANO Ltd 6 West Shore Business Centre Long Craig Rigg, West Shore Road Edinburgh EH5 1QT United Kingdom Phone : +44 (0) Fax : +44 (0) XLC V info@ixsea-oceano.com -

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