Kongsberg GeoAcoustics GeoChirp Sub-Bottom Profiler System

The GeoChirp II profiler delineates the sub-surface using reflections from the frequency modulated source signal. Due to chirp pulse compression and digital signal processing techniques it achieves deep penetration, even through compacted sediments such as sand and gravel, whilst attaining high resolution. The operator can choose from a range of waveforms, including a single frequency pinger signal, or programme his own signal, depending on the survey task.


  • Chirp technology yields high resolution and deep penetration
  • User selectable source signals on 1.5 to 13 kHz bandwidth
  • Highly efficient power amplifier (> 90%)
  • Regulate output power from 10 W to 4 kW



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