Quark-Elec NMEA Protocol Bridge - QK-AS03Quark Elec NMEA Protocol Bridge QK AS03 Converts NMEA 0183 RSS422 signals to RS232 and visa versa Connects Quark elec (or other) NMEA 0183 RS422 products to older chart plotters or sensors (including some older Garmin Raymarine Standard Horizon devices). Description Introduction QK AS03 Protocol Bridge enables the connection of Quark elec (or other) NMEA 0183 RS422 products to older RS232 chart plotters or sensors (including older Garmin Raymarine