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GeoAcoustics Ltd GeoSwath 4R 500 kHz

Portable wide angle multibeam and co-registered side scan in a splash proof deck unit suitable for use in depths to 200m

Kongsberg GeoAcoustics GeoSwath 4 offers very efficient simultaneous swath bathymetry and side scan seabed mapping with accuracies that have been shown to exceed the IHO Standards for Hydrographic Surveys.

  • GeoAcoustics Ltd GeoSwath 4R 500 kHz
GeoAcoustics Ltd
Shuttleworth Close
NR31 0NQ Great Yarmouth
United Kingdom
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Description

FEATURES

• Ultra high resolution swath bathymetry

• IHO SP-44, special order

• Co-registered geo-referenced side scan

• Frequency versions: 125, 250, 500 kHz

• Up to 12 times water depth coverage

• 240º view angle

• Dual transducer set-up with versatile mountiang options

• Full software solution included: data acquisition, processing, presentation

• Interfaces to all customary peripheral sensors

Specifications

  • Date of first release
    2010
  • Mounting
  • Length [m]
    0.33
  • Width [m]
    0.11
  • Height [m]
    0.08
  • Min. external power [V]
    24
  • Max. external power [V]
    24
  • Max. power consumption [W]
    40
  • Transducer Head Weight, appr. including peripherals
    16.8 kg
  • Type of system
    Phase Measuring Bathymetric Sonar
  • Bottom Detection Method
    Vernier Phase Detection
  • Min. frequency [kHz]
    125
  • Max. frequency [kHz]
    500
  • Min. depth [m]
    0
  • Max. depth [m]
    50
  • Depth resolution [mm]
    1.5
  • Max. Slant Range [m]
    97.5
  • Max. swath as a function of depth
    12
  • Max. measurements per ping
    1300
  • Ping frequency [Hz]
    30
  • Min. beam width across track [deg]
    0.01
  • Min. beam width along track [deg]
    0.5
  • max Swath Update Rate
    30 per second (range dependant)
  • Transducer Type
    Compact Dual Head
  • Pulse Length
    32 μs to 224 μs
  • Footprint in nadir direction [m]
    1.55
  • Footprint at max. horizontal range [m]
    3
  • Smallest identifiable cube [m3]
    1
  • Max. swath width [m]
    190
  • Equal footprint spacing
    Y
  • Max. number of points per ping for side scan operation
    26000
  • RMS of nadir depth measurement [m]
    0.03
  • Intended S44 order
    Special
  • Max. survey speed for specified RMS [kt]
    7
  • Real-time correction of refraction at transducer head
    Y
  • Real-time integration of SV-profile
    Y
  • Explanation of SV-profile application process
    SVP can be imported as file and applied in real time to data
  • Motion sensors compatible to the system
    All standard
  • Required pitch uncertainty [deg]
    0.05
  • Required roll uncertainty [deg]
    0.05
  • Required heave uncertainty [m]
    0.05
  • Compatible software
    All standard processing packages including QPS Qinsy and Hypack (real time) and Caris HIPS and SIPS; IVS3D Fledermaus
  • Compatible hardware
    Any standard.
  • Real-time access procedure
    Data broadcast via Ethernet or file export
  • Mean time to repair [hr]
    1
  • Distinguishable features
    The compact and lightweight system can be pre-calibrated and is a truly portable solution for very small crafts.

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