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                <gco:CharacterString>This record describes sub bottom profiler data collected on RV Investigator voyage IN2016_V06, 'Sustained monitoring of the EAC: mass, heat and freshwater transports' which departed Brisbane on the 29th October 2016 and returned to Brisbane on the 13th November 2016.
The Kongsberg SBP120 (sub bottom profiler) was used to acquire data containing the specular reflections at different sediment interfaces below the seafloor. The SBP120 provides a 3° by 3° angular resolution.
The echosounder's frequency sweep range is from 2.5 to 7 kHz. The SBP120 was logged sporadically for the extent of the voyage.
Data are stored in .raw 17 files 1.2 GB raw and .seg  17 files  1.2 GB segy formats at CSIRO.
The segy format data had a real time processing stream applied, which applies gain, a gain correction, matched filter with replica shaping, an attribute calculation for instantaneous amplitude and time variable gain.
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