GPS 73 is NMEA 0183 compliant

high adjustable collar and hood with good visibility and Solas reflectors

Allow up to 18 days without needing to connect to a power source

while the twin-fin design provides more stable wind angle

as well as other calculations and marine data

Garmin GNX 20 gpsmap GPS 73 is NMEA 0183Marine instrument with standard 4 LCD Large, easily readable black digits and graphs on a white or colored background provide high contrast and high visibility; choose from seven different lighting colors "Glass bonded" display with anti glare lens prevents fogging Fully configurable user profiles for sailing or motoring that display desired data Low power consumption (25 mA) of 350 mW (no backlight) 400 mW (medium backlight) Five different display