2008
GPS
The GPS or Global Positioning System provides reliable information on positioning, navigation and timing. It is a US space-based radio-navigation system freely used by civilians all over the world.
The GPS provides accurate location and time information to any individual with a GPS receiver. Such information is available to an unlimited number of individuals without distractions caused by the weather. It is available anytime within the day covering all geographical locations all over the world.
The United States Department of Defense funds the operation of the GPS. Even with its availability to thousands of people in the civilian world, the GPS system was purposely designed for use and operation by the US military.
Satellite signals are specially coded and processed with the use of a GPS receiver. The receiver reads the position, time, and velocity. There are 4 GPS satellite signals that compute receiver positions in the 3 given dimensions. It is also able to provide additional information on time.
The three parts of the GPS system consists of control and monitoring stations on the planet, satellites orbiting the planet, and the GPS receiver in the possession of its users. The GPS receivers identify the signals broadcasted by the satellites positioned in the outer space. The three-dimensional location identified by the GPS pertains to the latitude, longitude, and altitude.
GPS handsets are readily available for purchase. Commercial retailers provide easy consumer access to the device. The benefits of these GPS receivers mainly revolve around its accuracy in locating precise locations so individuals can navigate to where they would like to go. It is useful in mobility and can function while the user is walking, biking, or driving. GPS also works on land, air, or water.
Transportation systems worldwide make wide use of the GPS. Navigation is attained for ground, aviation, as well as maritime transportation activities.
The GPS has also played a major role in emergency services. Its location and timing capacity appear to be very helpful in life-saving missions and activities.
Even everyday activities are influenced by the GPS. These activities include banking and mobile telecommunications. Farmers, inspectors, geologists and many other professionals perform their jobs more safely, efficiently, and precisely with the availability of the GPS signals, free and open to its users.