Walker 7070 Log Only is a Speed Log System providing electromagnetic log data from a single processor. This compact, cost effective system takes advantage of “state of the art” electronics to process the log sensor input, outputting digital data on a single NMEA 0183 data bus to DIN 144 data displays. Walker 7070 electromagnetic log is designed for vessels above 500GRT, offering both forward and astern speed, with ranges from -0 to 80 knots full scale. It is suitable for vessels varying from patrol boats and ferries to liners and bulk carriers. Based on Walkers’ proven electromagnetic log technology, the 7070 log provides speed and distance information with accuracy and reliability regardless of sea conditions and water depth.