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Tag: impeller


    NK has now released the SpeedCoach GPS Model 2 that uses a 3 axis accelerometer & a 5 Hz GPS (Garmin & others are only 1 Hz). This now addresses the issue of slow updates of boat speed. The problem of moving current still remains: you are measuring the speed relative to land. The NK SpeedCoach overcomes this by being able to be switch to Impeller ... Read more...

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