GPS Satellite Navigation
So, what is this GPS phenomenon all about…and more importantly, why should you pay any mind to it at all? It seems that many products have a GPS device built in these days, for better or worse. Before you know it, we will be able to add GPS tracking and receivers to many of our devices. Since you have an interest in GPS watches, this overview will help you make a better purchasing decision.
We would like to give you an overview in easy to understand of what the Global Position System (GPS) Network is and how typical consumers use it in our everyday products in our lives. Knowing what GPS is, how it works to the layman, and how to improve your life with GPS devices is important in the twenty first century. In this article, we will give you a good starting point, so read on!
The GPS satellite network was launched into space in the early 70’s and is composed of a couple of dozen satellites that were positioned strategically in 12 hour orbits around Planet Earth. There are also five ground stations around the world that monitor the satellites continuously.
These navigation satellites have been relaying navigation signals to the surface of the planet, and are used by GPS receivers to determine accurate locations in 3-dimensional space (very accurately). Your state-of-the-art GPS receiver stores this information and runs numerous calculations to accurately determine your location in 3-D space. This is actually how that GPS watches leverage satellite navigation to improve the functions of the product.
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