What Is GPS- Global Positioning System- Get The Full Information

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What Is GPS- Global Positioning System- The Full Information.

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The Global Positioning System- (GPS) is the only system today that can show your exact position on the Earth anytime, in any weather, no matter where you are on this planet!

GPS Development:
Similar to so many other high-tech developments, GPS was designed by the U. S. military. It’s concept started in the late ’60s but the first satellite wasn’t launched until February 1978.

And In 1989 the Magellan Corp. introduced the first hand-held GPS receiver. later on and In 1992 GPS was used in Operation Desert Storm against Iraq. On March 1996 the President of the United states decided to make GPS free for civilian applications.

How The System Works:
GPS has three ‘segments’:
  1. The space segment now consists of 28 satellites, each in its own orbit about 12,000 miles above Earth.
  2. The user segment that consists of receivers, which you can hold in your hand or mount in a car.
  3. The control segment which consists of ground stations-five of them, located around the world- that make sure the satellites are working precisely.

The Civilian Use:
At the beginning, the military did not want to let civilians use the GPS system, fearing that, terrorists, smugglers or other enemy forces would use it.

But later on, and bowing to pressure from the companies that built the equipment, The Defense Department made The GPS available for non-military purposes, with some restrictions.

Finally, On May, 2000, President Clinton lifted the restrictions, and announced that the option to degrade civil GPS signals during emergencies would be phased out by the year 2010. Now The federal government is committed to providing GPS technology for peaceful uses on a worldwide basis, with no charges.

Sincerely

Sam Ammouri

3781621t

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