These signals can pass through clouds, glass, and plastic the signals weaken when passing through solid objects such as buildings and cannot pass through objects that contain high levels of metals. GPS satellites circle the globe in a precise orbit, transmitting coded radio signals at least four of their signals can reach any given point on Earth at one time. Global Positioning System (GPS) is a space-based navigation system that uses a constellation of satellites to determine the location of the receiving unit on Earth.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |