Speed Log


The highly reliable Doppler log from JRC ensures accurate and stable speed data


The JLN-550 Doppler Sonar providing ship speed information has higher stability in the dual frequency modes, and smaller size dual-frequency transducer to be easy installation and maintenance. The dual frequency mode function will be superior in measuring of the ship's speed against the ground up to larger depths and also the water with tiny bubbles.



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Marks Marine Radio Pvt Ltd.