High accuracy by utilizing the Doppler principle, paired beam eliminating effect of pitching, and velocity correction for change of water temperature Features Speed and distance run indicated on a large illuminated LCD display Compact display unit and transducer High accuracy by utilizing the Doppler principle, paired beam eliminating effect of pitching, and velocity correction for change of water temperature Easy speed correction at mile post run Speed output to ARPA, radar, ECDIS, AIS, VDR, GMDSS equipment, etc. Complies with IMO standards MSC.96(72), A.824(19), A.694(17), IEC 61023 and other related standards Fully meets SOLAS carriage requirement for ships over 300GT Fits to the hull either directly or with a gate valve