Feng Shui Luo Pan--Ancient Chinese Compass Used By GeomancersIn ancient China, geomancers investigated earth formations and watercourses while astronomers charted the skies. Those who understood the power of the information they possessed recorded their knowledge on an instrument called a luo pan, o...

GPS200 - NMEA 2000 GPS Antenna/ReceiverMaretron's GPS200 provides reliable position fixes 10 times per second, accurate boat speed four times per second, and precision time once per second. The GPS200 antenna/receiver is a plug-and-play device that is fully compliant and certified to the NMEA 2000 S...