Ken Marlborough's Article List
Navigation satellites Date:
11-04-2009 | author:
Ken Marlborough
Satellite navigation is one of the early use of artificial earth satellites. At the beginning of space age, the researchers admit that the satellite orbits can be placed allowing the ship, aircraft or other vehicle to recognize certain areas. Global positioning system (GPS) satellites for navigation. Constellation GPS system does not establish the first U.S. military forces supporting them. But now scattered in public and commercial use.