![]() Space (Satellites) - The satellites circling the Earth, transmitting signals to users on geographical position and time of day.GPS is made up of three different components, called segments, that work together to provide location information. The fourth satellite also moves us into the third dimension and allows us to calculate the altitude of a device. ![]() While we only need three satellites to produce a location on earth’s surface, a fourth satellite is often used to validate the information from the other three. The satellite system consists of a constellation of 24 satellites in six Earth-centred orbital planes, each with four satellites, orbiting at 13,000 miles (20,000 km) above Earth and travelling at a speed of 8,700 mph (14,000 km/h). The Global Positioning System (GPS) is a navigation system using satellites, a receiver and algorithms to synchronise location, velocity and time data for air, sea and land travel. What is GPS? Read this article to learn more about how it works, its history and future advancements. GPS helps you get where you are going, from point A to point B. You can find GPS systems in your car, your smartphone and your watch. ![]() GPS, or the Global Positioning System, is a global navigation satellite system that provides location, velocity and time synchronisation. Discover everything you need to know about GPS and how it is used today.
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