Full sensor compatibility with Walker log systems. Digital display to DIN 144 for log speed and distance travelled. 4 point speed log calibration. NMEA 0183 3.4 COMBINED SPEED AND DISTANCE REPEATER : INSTALLATION . . ANTHEA BLIND is a new generation of electromagnetic log. For standard operation Walker 7070 Log Only is a Speed Log System providing electromagnetic log data from a single processor. This compact, cost effective system takes advantage Walker 7070 Log Only is a Speed Log System providing electromagnetic log data from a single processor. This compact, cost effective system takes advantage Walker 7070 Full sensor compatibility with WALKER 4040, 4060 and 2060 log and wind Digital display to DIN 144 for log speed and distance travelled. Walker 7070 Log Only is a Speed Log System providing electromagnetic log data from a single processor. This compact, cost effective system takes advantage 4020 Type Approved EM Speed Log System Available for all hull materials in fixed or retractable sensor versions. Brochure. 7070 Type Approved EM Speed 7080 Handbook - Free download as PDF File (.pdf), Text File (.txt) or read online for free. walker walker speed log manual 1.3 7070/7080 indicators 11 Full sensor compatibility with Walker log systems. Digital display to DIN 144 for log speed and distance travelled. 4 point speed log calibration. NMEA 0183 Walker 7080 is an integrated log, wind and weather system that 7080-Type-Approved-Speed-Log-picture includes a true wind option. Ship's speed and distance