Upload Alphatron Marine new products namely Alpha-MidiCourse gyrocompass, Alpha SSRS Sound Signal Reception System, AlphaEye, Gate Valve type transducer for JFE-380/JFE-680 IMO echo sounder. Uncategorized Newer Post Upload JRC-AMS new products namely namely JLN-720 Satellite speed log, JFP-185 search light sonar, JFC-800/810 Dual frequency echo sounder, JFC-180 Qual (Broadband) frequency echo sounder. Older Post Upload Alphatron Marine new product namely NMEA Distribution module MK2, DNV-GL approved (1 input, 4 ouputs).