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What Is GPS? – Definitions, Functions, And More

What Is Gps_ – Definitions, Functions, And More


GPS is a Global Navigation Satellite System, designed and supported by the United States. As this system, there are also others, although without the dissemination or extensive use of GPS, among them are:

How The GPS Works

The GPS is made up of three units.



The system is controlled by five tracking stations that are responsible for:


Therefore,  third unit of the Global Positioning System is that of the User, composed of the receivers of the radio signals emitted by the Space Unit’s satellites. These receivers should be used outdoors with a clear view of the sky.

These three units interact as follows:

They complement the GPS

In addition to these three units, other units complement the system to give it greater precision:

DGPS (Differential GPS)

WASS (Wide Area Augmentation System)

Applications That Use GPS

The applicability given to GPS is broad. These are some fields in which the use of this system has become relevant.


It is possible to analyze environmental problems from a new angle based on the data collected thanks to GPS technology.

It is possible to do aerial studies of tight areas to evaluate flora and fauna or evaluate conservation efforts. Changes in the environment can analyzed.


For lovers of outdoor activities, the information provided by GPS technology is extensive; It allows mountaineers to locate themselves through a map. It offers cyclists and runners information on their routes, and golfers use it to measure distances and improve their game. And also, You may interested in reading What to choose between handheld GPS, smartphone, or watch.

Disaster Relief

Therefore, Knowing where the disaster occurred allows the response time to shorter. In forest fires, it will enable locating the hottest areas so that they controlled first.

Topography and Cartography

Data collection times were reduced by changing the data collection method. Similarly, the costs of these processes were reduced as less equipment and personnel were required to do this work.


Other applications using GPS are in the fields of Navigation (air, sea, and land), Agriculture, and Chronometry.

The GPS or Global Positioning System has impacted and improved various fields of the economy and recreation and currently widely used. Will the time ever come when this service is no longer free? That is one of the reasons why other countries have developed their satellite navigation system. And also, Time will tell.

Also Read: The Best PC Games 2021

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