What's The Difference Between GPS And Sat Nav?

What's The Difference Between GPS And Sat Nav?

Each the words GPS and GALILEO Sat Nav have gradually crept into on a regular basis use. They're are often used interchangeably. Is there a distinction between them and if so, what's the difference?

Firstly, sure there is a difference.

GPS is short for Global Positioning System. It is the collective name for a bunch of satellites that are in orbit across the Earth. They were placed there by the US Authorities decades ago and made publicly available throughout the administration of President Reagan.

Using a GPS receiver (a small machine that can send and obtain signals from any satellite within range) you may get your exact location. This location is provided as a set of co-ordinates.

Using this information and the co-ordinates of your destination, many GPS receivers can 'guide' you to the vacation spot utilizing a compass-like arrow. In principle, you probably have the GPS co-ordinates of your property, using a GPS receiver you can find your approach house from even the remotest place within the world.

The GPS receiver has change into a common merchandise that is fitted to many devices, equivalent to your mobile phone or the safety system in your car. Many smartphones, such because the iPhone, have a GPS built-in. If allowed, purposes can use this data to direct you to, say, the nearest Italian restaurant. Some digital cameras actually have a GPS. They'll use it document precisely the place the photograph was taken.

A sat nav (quick for satellite navigation) is really some very particular software that makes use of the GPS signal. It takes the co-ordinates supplied by the GPS and combines that with a complete map. Then, given a destination, the sat nav software will calculate a route so that you can your destination. As the GPS signal is constantly updated, the sat nav may give you step-by-step instructions on the place you are and when it is advisable to make a turn.