GPS and Electronic Navigation Aids
NASA Marine Instruments - weather, speed, GPS, sailing, distance, depth, Navtex - everything in short.
nke Marine Electronics for digital displays from all your transducers, race and standard data, and an innovative automatic man-overboard device that plots the position of the lost crewman. Gyroscope navigation.
Seiwa Marine Navigation systems. Fish-finder options.
Velocitek have a GPS compass built-in to their race computer
