RV Investigator Voyage IN2016_V01 EK60 Echosounder

This record describes scientific split-beam echosounder data collected on the RV Investigator voyage IN2016_V01, 'HEOBI: Heard Earth-Ocean-Biosphere Interactions' which departed Fremantle on the 8th January 2016 and returned to Hobart on the 27th February 2016.The Simrad EK60 split beam echosounder's 12, 18, 38, 70 120, 200 and 333 kHz frequency bands were used to acquire acoustic backscatter data around Heard and Macdonald Islands and between Fremantle and Hobart. All frequencies were logged continuously for the extent of the voyage. The frequencies were set to passive during the voyage.Data are stored in *.raw, *.bot and *.idx format at CSIRO. There are 2147 files totalling 175 GB of raw data in this dataset.No processing has been conducted on this data.Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products may be available on request.