Outdoor Recreation Automotive Marine Aviation SALE Support 0 Total items in cart: 0 FREE GROUND SHIPPING ON ORDERS $25 AND UPMarineTransducersAIRMAR® B175M 12° Tilt PART NUMBER010-11939-21 $1,667.49 CAD Tilt 20°12°0° CHIRP Frequency High CHIRPLowMidHW ChirpFind...
In Oct. 2009Dan Corcoran’s great review of the Airmar CS4500 Ultrasonic speedokicked off a discussion about how the high value of accurate STW (sometimes just called Speed, but definitely different from the Speed over Ground delivered by GPS). Sailors crave it for precise calculation of True ...