21st October 2019

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How does the navigation work?

Satellite Navigation - GPS - How It Works. Satellite Navigation is based on a global network of satellites that transmit radio signals in medium earth orbit. The signal contains data that a receiver uses to compute the locations of the satellites and to make other adjustments needed for accurate positioning.

Thereof, what is a GPS and what is it used for?

GPS systems are extremely versatile and can be found in almost any industry sector. They can be used to map forests, help farmers harvest their fields, and navigate airplanes on the ground or in the air. GPS systems are used in military applications and by emergency crews to locate people in need of assistance.

What is the function of a GPS?

A GPS device can retrieve from the GPS system location and time information in all weather conditions, anywhere on or near the Earth. A GPS reception requires an unobstructed line of sight to four or more GPS satellites, and is subject to poor satellite signal conditions.

How does a smart phone's GPS work?

A real GPS receiver in a smartphone (one that runs a “show GPS satellites” app) uses signals from satellites to calculate position. It does not need an internet connection. Other location methods use WiFi hotspot IDs or cell tower IDs, and those use the internet to query an online database.
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