A GPS (global positive system) is a network of satellites which is used as the basis of a navigation system. There are also GPS receivers which are designed for automobiles and also for handheld models.
GPS was developed by the US department of defense for military use. GPs is a worldwide network which connects the satellites and the ground signals in order to connect to the receiver and send signals to the receiver that processes the data and locates the locations accurately within the a few yards.
A GPS receiver does not work inside the buildings that shield the high frequency satellite transmissions. So before using the GPS receiver you should choose a place with full horizon. It helps the users in many ways. Read and learn how a GPS receiver works and how can it help you.
All these GPS designed for automobiles can calculate locations and also determine the directions given to a location. Many of them can also have many other features which depends on what model do you have. With more features your GPS can help you in avoiding traffic jams. Read the full story