... the general public though. They are used by the military in vehicles such as tanks, aircraft and ships. Some modern day cars also have this system integrated into their design. These receivers show the driver of the vehicle where they are and can also be used to determine the best possible route for them to reach their desired location. It can even be used to transmit their position to emergency roadside assistance companies to ensure quicker service. How does GPS work? GPS works using a system called triangulation. If, for example, we know that the distance between our position on Earth and a NAVSTAR satellite was 11,000 miles, it narrows down all the possible locations that we can be in the universe to the surface of a sphere with a radius of 11, 000 miles. This distance is calculated by timing how long it takes for a signal sent by the satellite ...

See this essay or coursework document in full right now