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Each the phrases GPS and Sat Nav have progressively crept into on a regular basis use. They’re are sometimes used interchangeably. Is there a distinction between them and in that case, what’s the distinction?
Firstly, sure there’s a distinction.
GPS is brief for International Positioning System. It’s the collective title for a bunch of satellites which are in orbit across the Earth. They had been positioned there by the US Authorities many years in the past and made publicly obtainable throughout the administration of President Reagan.
Utilizing a GPS receiver (a small gadget that may ship and obtain alerts from any satellite tv for pc inside vary) you may get your exact location. This location is supplied as a set of co-ordinates.
Utilizing this data and the co-ordinates of your vacation spot, many GPS receivers can ‘information’ you to the vacation spot utilizing a compass-like arrow. In principle, when you’ve got the GPS co-ordinates of your property, utilizing a GPS receiver you’ll find your approach house from even the remotest place on the earth.
The GPS receiver has develop into a standard merchandise that’s fitted to many gadgets, similar to your cell phone or the safety system in your automobile. Many smartphones, such because 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 actually have a GPS. They’ll use it report precisely the place the picture was taken.
A sat nav (quick for satellite tv for pc navigation) is admittedly some very particular software program that makes use of the GPS sign. It takes the co-ordinates supplied by the GPS and combines that with a complete map. Then, given a vacation spot, the sat nav software program will calculate a route so that you can your vacation spot. Because the GPS sign is consistently up to date, the sat nav may give you step-by-step directions on the place you might be and when you have to make a flip.
TomTom and Garmin are in all probability two of one of the best recognized manufacturers in terms of GPS and sat nav gear. TomTom is a European firm, that primarily produces sat nav gadgets for motor automobiles together with software program for smartphones. Garmin, and American firm, have a much wider product vary: the whole lot from plane GPS techniques to GPS watches to assist athletes enhance their efficiency.
Each of those applied sciences are bettering and advancing and it is going to be fascinating to see how they evolve.