Acoustic Module

A passive and active sonar system controlled from a central Oceanlab controller to schedule module activity at pre-programmed intervals.

  • Passive acoustic
    • Sensor Technology hydrophone SQ42
    • Sound Devices 722 digital recorder
    • 1 Hz to 96kHz bandwidth
    • 192 dB dynamic range
    • Recording duration
      • 96kHz BW (32 bit) 100h cont.
      • 48kHz BW (32 bit) 200h cont.
      • 24kHz BW (32 bit) 400h cont.
      • 24kHz BW (16 bit) 600h cont.
    • Oceanlab controller schedule recording interval and period as required

 

  • Active acoustic
    • Kongsberg High Resolution mechanically scanned sonar head
      • Frequency 675kHz
      • Range 100m (150m optimum)
      • Resolution >= 19mm
      • Scan increment 0.225o
    • Controlled by Oceanlab controller utilising Kontron JREX single board PC, 300Gbyte hard drive