Furuno DS-80 Doppler Speed Log set for sale: Furuno DS 80 Doppler Speed Log set consisting of a display unit (DS-800) with Distribution Box (DS-801), Terminal Box (DS-802) and Transceiver Unit (DS-810) without Transducer is for sale. This Furuno DS-80, an (SDME) Speed and Distance Measuring Equipment apply the Doppler…