GPS - Global Positioning System

GPS stands for Global Positioning system and GPS devices are such devices that help you in determining your exact position, speed and the direction in which you are moving. This system is one of the two fully functional systems that help you in navigation around the globe, the other one is Global Navigation Satellite System (GNSS).

The working of a GPS is quite simple, the position location system involves a GPS receiver and three or more GPS satellites. The receiver measures its distance to the satellites depending upon the delay in time it takes for the microwave signals to reach their destination satellites. Once the distance and position of the three satellites has been determine, the receiver can then calculate its own position using trilateration.

With the advancment of technology and the need to stay in touch with the loved ones, GPS devices gaining popularity. Companies are dedicating their full attention to the production of such devices that can assist their consumers in best possible way. The main stress is being put to the fact that they provide maximum facility to the user in the most user friendly way. The system also provides you assistence in finding your way. There might come a situation where you get lost and can not find your way, well this is where the GPS system comes in. With just a single touch you can know your exact location and with the help of a map you can determine the direction to your destination. It is for this reason that GPS devices are being greatly used by military, seaman and scientests alike.

The use of GPS devices is becoming popular day by day due to all the advantages that come attached to it, some of these are lsited below
• Can be used in fleets to track their exact location.
• Provide constant surveillance of the vehicle to which a GPS device is attached
• Can ensure safety of your employees
• Can be helpful in recovering your vehicle if it is stolen
• Can be helpful in keeping track of your teenager

There are number of GPS devices available in market now which are specifically designed to assist you in providing all the help you need in giving you the right direction to your destination. The technology has advanced so much that you can even track your pets through GPS, all you need to do is attach a GPS device to there collar and sit back and no need to worry about their being stolen or getting lost any more. Some of the most commonly found GPS devices are
• Pocket PC GPS
• Golf GPS
• Car GPS
• Vehicle GPS
• PDA GPS and many more

Although all of these devices share the same GPS technology but they have their own unique purposes. And the biggest advantage of these devises is to the police as it assists them in tracking criminal who have stolen something precious and great value from you.