NASA Best selling combined Speed/Distance Log and Echo Sounder in standard 110mm square size. Suitable for open cockpit mounting. As with all NASA instruments - it is excellent value too! Technical Specifications:- •Depth Sounder in feet and metres. •Shallow Alarm and Keel Offset. •Complete with well proven Transducers. •Speed in MPH , Knots and Km/H. •Trip and Total Distance in Miles, Nautical Miles and Kilometres.
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