13Tháng 122018

What's The Difference Between GPS And Sat Nav?

What's The Difference Between GPS And Sat Nav?

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

Firstly, sure there's a difference.

GPS is brief for Global Positioning System. It's the collective name for a group of satellites which can be in orbit around the Earth. They were positioned there by the US Authorities decades ago and made publicly available through the administration of President Reagan.

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

Utilizing this information and the co-ordinates of your vacation spot, many GPS receivers can 'guide' you to the destination utilizing a compass-like arrow. In concept, when you've got the GPS co-ordinates of your own home, utilizing a GPS receiver yow will discover your method dwelling from even the remotest place within the world.

The GPS receiver has change into a typical merchandise that is fitted to many devices, akin to your mobile phone or the security system in your car. Many smartphones, such as the iPhone, have a GPS built-in. If allowed, functions can use this data to direct you to, say, the closest Italian restaurant. Some digital cameras also have a GPS. They can use it report precisely where the photograph was taken.

A sat nav (brief for satellite navigation) is really some very special software that makes use of the GPS signal. It takes the co-ordinates offered by the GPS and combines that with a comprehensive map. Then, given a vacation spot, the sat nav software will calculate a route for you to your destination. As the TERRIS GPS signal is constantly updated, the sat nav may give you step-by-step instructions on the place you're and when you might want to make a turn.

 

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