Split-beam echosounder data from Puck Bay autumn 2018 Part II

The acoustic data was collected in 2018, in the Bay of Puck, in the seasons: autumn. Data was collected during the day and night. Three split-beam echosounders with frequencies of 38 kHz, 120 kHz and 333 kHz were used to collect the data. The data was collected at a designated study area not far from the city of Hel and on the route Hel - Gdynia while the ship was sailing. Additional, data was collected during the sunrise and sunset, while the ship was anchored not far from the city of Hel. To ensure data quality, echosounders were calibrated and passive noise was measured.