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The NAVIKNOT III Marine Speed Log is a general purpose, multi-function microprocessor-controlled electromagnetic marine speed log system. It provides highly accurate indication of speed through the water, even at low speeds. The NAVIKNOT III Marine Speed Log complies with IMO Resolution A.478(XII) and meets IMO requirements for ARPA. |
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Sperry Marine has introduced the NaviKnot 400, a type-approved system designed to serve as a speed and distance measuring device for a wide range of vessels. The system has been designed to provide maximum accuracy and reliability, reducing your cost of ownership. |
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The SRD 500 Dual-Axis Doppler Marine Speed Log is the most accurate marine speed log in today’s market. The SRD 500 Doppler marine speed log provides for water tracking from 3 meters and excellent low speed precision for docking and maneuvering. |
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