200 kHz pre-processed echosounder data collected on the Antarctic Circumnavigation Expedition during the austral summer of 2016/2017.

Data file(s): survey-D[date]-T[time].csv

Sv: volume backscattering strength [dB]
Start_depth: start depth of ping [m]
End_depth: end depth of ping [m]
Latitude: latitude of the position of the ping [degree_north]
Longitude: longitude of the position of the ping [degree_east]
Datetime: date and time at which the backscatter was measured in the format ISO 8601 YYYY-MM-DDThh:mm:ss+00:00 [UTC]