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The Necessity of National Positioning Systems as Complementary to Foreign Satellite Positioning Systems during Peacetime and Substitute in Crisis

Alireza Azmoodeh Ardalan; Mohammad Edrisian

Volume 15, Issue 57 , May 2006, , Pages 34-41

Abstract
  Considering the importance of position determination the and ease of using satellite methods in determining position, today global positioning systems such as GPS have become widely used in everyday life and military applications. The point that is generally forgotten when using these satellite systems ...  Read More