Each the words GPS and Sat Nav have gradually crept into everyday use. They're are often used interchangeably. Is there a distinction between them and if that's the case, what is the difference?
Firstly, yes there is a difference.
GPS is brief for Global Positioning System. It is the collective name for a bunch of satellites which might be in orbit across the Earth. They were positioned there by the US Government decades ago and made publicly available throughout the administration of President Reagan.
Utilizing a GPS receiver (a small system that may ship and receive signals from any satellite within range) you may get your exact location. This location is offered as a set of co-ordinates.
Utilizing this info and the co-ordinates of your destination, many GPS receivers can 'information' you to the vacation spot using a compass-like arrow. In theory, if in case you have the GPS co-ordinates of your home, utilizing a GPS receiver yow will discover your means residence from even the remotest place within the world.
The GPS receiver has grow to be a standard item that is fitted to many devices, corresponding to your mobile phone or the security system in your car. Many smartphones, such because the iPhone, have a GPS constructed-in. If allowed, purposes can use this info to direct you to, say, the closest Italian restaurant. Some digital cameras also have a GPS. They'll use it report precisely where the photograph was taken.
A sat nav (short for satellite navigation) is really some very particular software that makes use of the GPS signal. It takes the co-ordinates provided by the GPS and combines that with a complete map. Then, TRIMBLE
given a destination, the sat nav software will calculate a route for you to your destination. As the GPS signal is consistently updated, the sat nav can provide you step-by-step directions on the place you're and when you need to make a turn.