software which finds your physical geographical location then gives you directions on which way to travel. This is most commonly used in specialist hand-held devices as well as mobile phones.

A device that uses satellite and road map data to plot a route from one location (usually set to where the car is by default) to another. Some cars can be equipped with a built-in sat-nav as standard [..]

Usually set in a dashboard, these systems use GPS (Global Positioning System – a satellite-based radio navigation system) to determine a vehicle's current position in order to help guide drivers [..]

Navigation, and the instruments for it, by receiving and measuring signals from artificial satellites orbiting the earth.

A form of position finding using radio transmissions from satellites with sophisticated on-board automatic equipment.

position finding using radio transmissions from satellites with sophisticated online equipment or GPS (Global Positioning System) and using that information to navigate

Practice of calculating one's position and velocity using radio signals transmitted from space satellites as reference.