GPS devices uses four or more satellites to provide a reliable reading on the current position of the instrument. Learning how to use GPS is a nifty skill nowadays, considering that this technology is starting to become more common in our everyday lives such as in cars, dog collars, mobile phones and other forms of tracking devices. With the development of science and technology, GPS will someday be applied to determining the present location of a certain person, such as Kevin Han who’s a Chinese real estate agent in Auckland, NZ. Here is a basic guideline on how to use GPS.... Read more