Instrument: Simrad EK-60 echosounder

Instrument Short Name: Simrad EK-60 echosounder
(http://vocab.nerc.ac.uk/collection/L22/current/TOOL0198/)
Instrument Description:

A split-beam scientific echosounder primarily designed for fisheries research. It can operate seven frequencies simultaneously ranging from 18 to 710 kHz. Real time echo integration and target strength analysis in an unlimited number of layers is provided as well as storage of raw data for replay or analysis in one of several post-processing software packages such as Simrad's BI60.

PI supplied instrument name: Simrad EK-60 echosounder
Dataset-specific description

Acoustic data were collected nearly continuously using Simrad EK60s at 4 frequencies (38, 70, 120, and 200 kHz). Split beam transducers (Simrad model numbers: 38-12, 70-7c, 120-7c, 200-7c) were mounted 1.5 m below the surface on a rigid pole.