HOME      MY ACCOUNT      POWER SEARCH      REGISTER      SUGGEST CATEGORY      SUPPORT      LOGIN     

GLOBAL SEARCH

Site Sponsors
Main Categories
Top 10
Yahoo Entertainment

Global Positioning System (GPS) : A Complete Review
367 Communications > GPS Mar 1, 2007 Tyson J Stevenson - Global Positioning System (GPS) : A Complete Review The system of knowing one's exact position on this earth is known as the 'Global Positioning System'. Precise positioning of any location can easily be done with the help of this System. If anyone has a Global Positioning System receiver and if the sky remains clear then no one is going to be lost on this Earth. The receiver is a pocket-sized gadget that makes us inform about our exact position on this earth at any moment. One thing is that this pocket-sized gadget or receiver is very expensive and it also involves a lot of technical ingenuity.

The primary function of Global Positioning System is the navigation in three dimensions. The Navigation receivers are used for aircraft, ships, and ground vehicles and sometimes it is also carried in hands by individual.

? The working of the System

The GP System provides some special satellite signals which is processed in the receiver. These GPS receivers not only track the exact location but can also compute velocity and time. The positions can even be computed in three dimensional views with the help of four GPS satellite signals. The Space Segment of the Global Positioning System consists of 27 Earth-orbiting GPS satellites. There are 24 operational and 3 extra (in case one fails) GPS satellites. These satellites move round the Earth in 12 hours and send radio signals from space that is being received by the GPS receiver.

The control of the Positioning System consists of different tracking stations that are located across the world. These monitoring stations help in tracking signals from those GPS satellites that are continuously orbiting the earth. The Space Vehicles transmit microwave carrier signals. The users of the Global Positioning System have GPS receivers that can convert the satellite signals by which one can estimate the actual position, velocity and time. Four satellites are required to track the three dimensional location and time.

The operation of the system is based on a simple mathematical principle called Trilateration. The Trilateration may be of two types i.e. 2-D Trilateration and 3-D Trilateration. In order to make the simple mathematical calculation the GPS receiver should know two things. Firstly the location of the place is to be traced by at least three satellites above the place. Second is the distance between the place and each of those Space Vehicles. Units those have multiple receivers can pick up signals from several GPS satellites at a same time. These radio waves are electromagnetic energy that travels at the speed of light.

? Overview

GPS is specially a Satellite Navigation System that helps in tracking the exact location with the help of satellites. The Global Positioning System is mainly funded and controlled by the U.S Department of Defense (DOD). The system was initially designed for the operation of U. S. military. But today, there are also many civil users of GPS across the whole world. The civil users are allowed to use the Standard Positioning Service without any kind of charge or restrictions.

Tyson J Stevenson creates useful articles & reviews on a wide variety of everyday subjects. Expect to see his name often. View further samples of his work at Compare GPS Systems or at GPS Info


Write a Review   Add to My Favorite   Refer it to Friend   Report Broken Link  

Average Visitor Rating: 0.00 (out of 5)
Number of ratings: 0 Votes

Visitor Rating


Other articles by this author
Batteries, or dry cells are manufactured to supply steady and uninterrupted D.C power to different modern day gadgets that run with electrical energy. Batteries are generally lead-acid cells. Over 15 billion are produced every year and are sold
Category:

After the eighties, the awareness of exercise and bodybuilding has increased, and with increased interest the demand for gym equipment has also increased. These days there are large number of home gym equipments available in market to choose from, but
Category:

Wine gifts are considered as one of the best gifts for men. They come in a variety of tastes, vintages, colors, wrappings, baskets, labels, corkscrews, stoppers, etc. Many types of wines are available in the market and a variety of vintage wines are sent
Category:

Electric Scooters or Mobility Scooters are specially designed for people who have low mobility. An electric scooter is basically a battery-operated vehicle with the capacity of only one person. These scooters are mainly used by those people who feel
Category:

A wedding band is a ring made o precious metal, worn on the ring inger to symbolize marriage. A wedding band is indicative o the idelity o the spouse. It is usually worn on the let ring inger. It was a Greek belie that the vein in the let ring
Category:

The system of knowing one's exact position on this earth is known as the 'Global Positioning System'. Precise positioning of any location can easily be done with the help of this System. If anyone has a Global Positioning System receiver and if the
Category:

White water rafting is an adventure sport in which a raft is used to navigate a river or any water body. It is usually done on rapids or white water to keep up the excitement. A river goes through different gradients and fws from a higher gradient to
Category:

? Definition of Data Recovery The salvaging of lost data or making available the previously damaged data stored on various damaged media such as hard disk drives, magnetic tapes, magnetic disks, zip disks, CD-Rom, flash cards and other
Category:

Other articles at Communications > GPS
The development of communications technology has long since surpassed the sole ability to access others when they are mobile. Today, mobile communication devices are becoming much more technologically advanced and offer more than the ability to just
Category:

Navigating using maps can be very frustrating especially if you are doing so while driving your car. This becomes even stressful when you are driving all alone in a strange territory. Sometimes, however, having someone with you won?t help either,
Category:

Maps are quite useful, and there are all sorts of Web sites that offer maps and driving directions to a variety of places. However, the best map is not particularly helpful if you take a wrong turn somewhere and suddenly do not know where you are. Or
Category:

GPS tracking has become an important tool for both companies, who need to keep track of their fleets and company vehicles and especially for law enforcement as an instrument for tracking suspicious behavior and for use in the prosecution of criminals.
Category:

Although there are many advantages to cell phone GPS tracking, there are also privacy concerns. As most people carry their cell phone with them at all times, the ability is in place to track the exact movements of all individuals. Is this a case of Big
Category:





Copyright © 2006 Nicecoder.com. All Rights Reserved. Powered by INDEXU 5.4.1
Valid XHTML 1.0 Transitional   Valid CSS