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Ping rate varied according to depth.  Data are stored in *.all raw format at CSIRO Oceans and Atmosphere. There are 127 files totalling  5.37 GB of raw data in this dataset.  A total of 34 sound velocity profiles were applied to this data during data acquisition. Tide corrections were not applied to the processed data. Processed data are available in XYZ and GSF format.  Additional information regarding this dataset is contained in the GSM data acquisition and processing report. 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