The Walker 7070 (Mk2) is type approved for all sizes of vessels and is normally recommended for larger vessels in excess of 500 GRT or with an overall length extending more than 50m.

Walker 7070 Speed Log provides 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.

It offers both forward and astern speed, with ranges from -20 to + 80 knots full scale and provides NMEA0183 and 200PPNM signals to other equipment. The system comes with a separate electronic unit P303 and indicator P1248 making it easier to have a shorter cable run from the log sensor.



  • Fully approved Speed log
  • Suitable for all sizes of vessel
  • Separate display and electronics unit for a more flexible fit
  • Shows speed through the water (STW) and trip distance
  • Expandable with additional displays
  • NMEA output for other equipment