Page 14: of Marine Technology Magazine (September 2024)

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GeoAcoustics Ltd https://geoacoustics.com/

GeoAcoustics is a pioneer in interferometric sonar for ba- thymetry and a leading supplier of Sub-Bottom Pro? lers and Side Scan Sonars.

GeoAcoustics provides products under three core categories: • Bathymetric Sonar – An interferometric system offering accurate, ef? cient simultaneous swath bathymetry and side scan sonar mapping for shallow water environments. With hull mounting options as well as USV integration, the AI- equipped GeoSwath 4 product line is suitable for a wide ar- ray of survey tasks and applications, including hydrographic

Falmouth Scienti? c Inc.

surveys, environmental assessments, infrastructure inspection www.falmouth.com and inland waterway and seabed mapping.

Falmouth Scienti? c, Inc. (FSI), located in Pocasset, • Side Scan Sonar – The Pulsar provides for simple de-

Mass., operates out of a purpose-built, 10,000-sq.-ft. fa- ployment and intuitive operation, capturing high resolution cility that enables the company to design, develop, and images of the seabed using a rugged tow ? sh which can be manufacture sensors, systems, and transducer solutions easily operated with a water-protected deck unit and a por- for both saltwater and freshwater applications. This facil- table cable hand reel. It operates within a 550KHz to 1MHz ity is equipped with an acoustic test tank, pressure cham- frequency with selectable FM and CW pulses, allowing the ber, environmental chamber and calibration lab. user to optimize the con? guration to the survey task.

FSI specializes in producing a wide range of marine sen- • Sub-Bottom Pro? ling – GeoPulse Sub-Bottom Pro? lers sors, systems, transducers, and other acoustic technolo- provide reliability and accuracy of data, producing repeatable, gies. Its product offerings span various sectors, including high-quality results time after time. Application speci? c, rug- seismic, sub-bottom, and combined sub-bottom and side gedized and towed or over the side use make GeoPulse suit- scan sonar imaging systems, as well as current, wave, and able for a wide range of applications.

tide meters. Among FSI’s most notable products is the The company’s latest product is a new version of its in-

AquaPulse Acoustic System, previously “Bubble Gun.” dustry standard shallow water Sub-Bottom Pro? ler, Geo-

The AquaPulse system provides low-frequency acous- Pulse. GeoPulse 2 updates the system and gives the user tic pulses for sediment pro? ling and seismic surveys, the opportunity to experience the same operation in deeper delivering high-resolution data while being environ- water further offshore. Designed for diverse applications mentally friendly. It generates a range of low-frequency including pipeline detection, geological surveys, dredging pulses (70Hz – 1700Hz Plus or 20Hz – 1700Hz Plus) surveys, environmental assessments, and buried object de- without the need for compressors, high-pressure air or tection, GeoPulse 2 is designed for integration with existing water. The AquaPulse is suitable for water depths rang- GeoPulse transducers. ing from less than one meter to 2000 meters or more, Continuing its focus on Sub-Bottom Pro? les, GeoAcous- making it highly effective for shallow surveys and sedi- tics also introduced compatibility for the ? rst time with the ment studies in various environments. The rebranding popular Geo Marine Survey System developed Geo-Suite of the products to AquaPulse re? ects the unique pulse Acquisition software in March 2024. The pairing introduces generation characteristics and capabilities of this highly a powerful GIS-based solution for the acquisition, process- reliable and precision system. The AquaPulse reliability ing, interpretation and 3D visualization of data acquired by has been demonstrated to operate on a single project for GeoPulse Compact and GeoPulse 2. over 10 million shots without maintenance.

FSI’s other standard products include the ACM-PLUS series of current, wave, and tide measurement systems, and the HMS-621/2 chirp sub-bottom pro? lers in single or dual-channel towed and hull mounted con? gurations, as well as dual-frequency side-scan sonar systems with capabilities down to 2000 meters. FSI also offers a wide range of transducer products, with standard models cov- ering frequencies from 1kHz to 500kHz.

14 September/October 2024

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