12/31/2009

How does GPS work?

The Gps Mobiles : GPS or Global Positioning System, is a global satellite navigation system, developed by the United States Department of Defense. The GPS system is the only fully functional Global Navigation Satellite System in the world.

This system uses a constellation of 24 to 32 satellites in medium orbit. These satellites transmit precise microwave signals. These signals are picked up by GPS receivers, which then determine the current location and speed.

The official name is NAVSTAR-GPS. NAVSTAR-GPS is an acronym, but some of them were made backronym. The GPS satellites are operated and 50 of the U. S. Air Force Space Wing manages.

GPS is often used by civilians as a navigation system. Cars often come with navigation systems and even mobile phones have the feature. Portable GPS systems are designed for use with everything designed for boats, bikes.

The system is available to citizens anywhere, after a Korean Air Lines flight was prohibited airspace, shot down over the Soviet Union. President Ronald Reagan issued a directive GPS freely available for civilian use as a common good. Since 1983 GPS is widely used to navigate in the world. It is a useful tool for mapping, surveying, commercial, scientific purposes, and some hobbies.

Some fans using GPS safer or more fun. Mountain biking is one of many sports, the benefits of using GPS. After the application of more areas in the mountains or hiking trails are accessible. It is also easier to follow a track or even find one. Furthermore, in case of emergency, it is easier for cyclists to determine a location to rescuers.

GPS is also for cyclists, which sets the distance, and exactly how far they have gone.

0 comments:

Post a Comment