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Ekkoloddsvinger i pendeloppheng

Vestnes, Gudmund; Nakken, Odd
Journal article
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URI
http://hdl.handle.net/11250/107927
Date
1972
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Abstract
The surface layer, 0-15 m, will as a rule not be satisfactorly covered by ordinary hull mounted vertical echo sounder transducers. A side looking transducer has been tried onboard the R.V. "G. O. Sars". The transducer is stabilized for ship rolling by mounting it as a pendulum. The recordings obtained from near surface scatterers (small schools of capelin) are promising, and the pendulum transducer might be a useful support to the echo sounders and sonars during echo surveys.
Publisher
Fiskeridirektoratets Havforskningsinstitutt
Journal
Fiskets Gang

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