![Interferometric sonar - echo - sounder - multibeam - bathymetry - Bathyswath-2-UW 234kHz](https://cdn.geo-matching.com/4p73z6py.png?w=300&h=300&crop=1&s=b3a8b8c640340e44b19d84b8e4b46e2f)
![Bathyswath-3 SIGMA (B3S)](https://cdn.geo-matching.com/ZprlKJNR.png?w=640&s=89955c76a2ec0f7ef2f35b5669dc4e91)
Bathyswath-3 SIGMA (B3S)
Bathyswath-3 SIGMA (B3S) has been designed for applications that need a small sonar package. It is ideal for use on small USVs or on small boats. Three different transducers are available: 250 kHz (single fq), 450 kHz (single fq) and 450-900-1600 kHz (multifrequency). In mid-2023, it will be possible to add a GNNS board, motion sensor and SVS sensor inside the housing.
![](https://cdn.geo-matching.com/vRMMlMRY.png?w=128&s=07e91d344c36a8ee659da82c5a6db774)
Description
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Specifications
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Motion compensation
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Motion stabilized
Y
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Mounting and deployment
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Mounting
Hull mounted
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Used Sonar Methods
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Sonar type
Interferometric
Type of system
Interferometric & scanning sonar
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System Parameters
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Available frequenties
250 kHz or 450 kHz or 450-900-1600 kHz
Simultaneous multiple frequencies
Yes
Max. depth [m]
250
Max. swath as a function of depth
12
Max. pings / second
50
High resolution mode
Higher frequency is higher resolution
Min. beam width along track [deg]
0.25
Pulse length
Adjustable from 2 to 500 cycles (period of sonar frequency)
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Bottom Coverage
-
Equi-angular/equi-distant mode
Equi-angular, Equi-distant
Backscatter
Y
Water column
Y
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General
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Date of first release
2023