Handheld (or, in the case of airplanes or automobiles, dashboard-mounted) units used to receive signals from global positioning system (GPS) satellites. Inexpensive GPS units can be purchased for about $100; high-end units may cost a thousand dollars. Major manufacturers of GPS units are Garmin, Trimble and Magellan.
Handheld (or, in the case of airplanes or automobiles, dashboard-mounted) units used to receive signals from global positioning system (
