"The Simrad EK80 is the most modern ""high end"" split beam scientific echo sounder in the fishery scientific. The r/v Oceanograf vessel has three split-beam echosounders model EK80 with the 38 kHz, 120 kHz and 333 kHz transducers.
The device is used in conjunction with other supporting devices: GPS, IMU, gyro, SVP/CTD and works based on the EK80 (Simrad) software.
The split-beam echosounders are used to estimate the biomass of fish or track thei migration. These echosounders can also be used to observe escaping gas from the seabed sediments into the water column.
Only used on r/v Oceanograf cruises.