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The Kongsberg SBP120 is a sub-bottom profiler used to investigate the geological composition beneath the sea floor. It can be operated with both the EM710 and EM122 multibeam echosounders.

Seafloor mapping and sub-bottom imagery of the green donuts. Image: Victorien Paumard and Carra Williams.

Technical details

  • Kongsberg SBP120 sub-bottom profiler.
  • Operating frequency: 2-8kHz and 12kHz.
  • Transmit array: fan of narrow beams across track.
  • Terrain adapted beam steering.
  • Penetrates up to 25 m in sand and up to 100 m in loose sediments.

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