Fish Location by Hydroacoustic Devices

Fish Location by Hydroacoustic Devices

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The personnel should be familiar with the producera#39;s manual of the echo sounder , especially with the section dealing with troubleshooting. In case of trouble with the echo ... On ships having sonar operators, it is their duty to monitor the echo sounders and keep them in working order. ... The automatic recorders of modern echo sounders are usually designed for 8 to 12 hours of uninterrupted operation; *anbsp;...

Title:Fish Location by Hydroacoustic Devices
Author:Vladimir Georgievich Azhazha, Ekaterina Vasilʹevna Shishkova
Publisher: - 1967


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