When selecting port output of NMEA+AIS does the WatchMate GPS data get output with AIS data? Follow Yes. Also any incoming NMEA data received over the NMEA input port is multiplexed in. Related articles Is my WatchMate compatible with my VHF/DSC radio? How will a transponder integrate with NMEA information? Can the WatchMate be hooked up to a Laptop and a NMEA device, such as a chartplotter, at the same time? Can I use my existing GPS receiver with an XB-6000, XB-8000, WatchMate 850 or Vision? Can I use the equipment with a chart plotter?