It’s hard to believe that the history of man wanting to know his location on this planet dates back as far as the 1st Century and a stone with magnetic properties known as lodestone, but it does. For more than two thousand years, humans have searched for and developed tools to help them navigate land and sea. Beginning with Chinese lodestone ladles, the monumental efforts of mapping our seas, and the development of the compass, GPS tracking history is rich with landmark developments that have led us to where we are today. Here’s a great article on the history of GPS tracking:
http://www.motherjones.com/mixed-media/2014/04/you-are-here-book-hiawatha-bray-gps-navigation
