How does GPS global positioning system work?
gps is a global positioning system designed, built, operated and managed by the us department of defense. some functions of gps are licensed for free use worldwide. one of the
Tags : gps global positioning system
The 'handsets' with a soft GPS function
in addition to the necessary functions of a regular phone, these 'cricket' lines, though quite ... soft, carry a very trendy feature: help you find your way.