PRECISION INSTRUMENTS, NAMELY, ANEMOMETERS, ALTIMETERS; VARIOMETERS, BAROMETERS, AND BAROGRAPHS, [ INSTRUMENTS FOR NAVIGATION AND ORIENTATION, NAMELY, COMPASSES; AND SATELLITE NAVIGATION SYSTEMS, NAMELY, COMPUTER HARDWARE AND SOFTWARE FOR GLOBAL POSITIONING SYSTEMS ]

organizing and conducting windsurfing events

organizing and conducting windsurfing events

Wind Distance and Speed Indicator