The Wonders Of Technology: The GPS Navigation System Explained
By: Jack Morris -
The rapid improvement in technology has significantly improved
the quality of life man. It has made living easy and convenient. It
has made finding solutions to relatively complex problems fast and
simple.
In the past, the world seemed so big. Finding locations in big
countries or any place for that matter was a complicated endeavor.
Hence, this hampered the fast delivery of information and
communication. It is a known fact that, information is the key to
attain power and to succeed in businesses.
With the dawn of the rapid change in technology, finding places are
as easy as ABC. Now, the world seems so small. In few seconds,
places are tracked easily. Getting lost is now a thing of the
past.
Devices are invented to find the exact location of people, places
and events in just a snap. One of these devices is the Global
Positioning System or simply called GPS Navigation System.
The GPS Navigation System provides specially coded satellite
signals that can be processed in a GPS receiver, enabling the
receiver to compute position, velocity and time. There are four GPS
satellite signals used to compute positions in three dimensions and
the time offset in the receiver clock. This explains the
reliability of the information retrieved from this device.
The GPS Navigation System was designed by and is controlled by the
United States Department of Defense. This can be used by anybody
for free. It is divided into three segments: namely, the space, the
control and the user. The space segment consists of the GPS
satellite constellation of at least 24 satellites in an
intermediate circular orbit (ICO). The control segment comprises
ground stations around the world that are responsible for
monitoring the flight paths of the GPS satellites, synchronizing
the satellites' onboard atomic clocks, and uploading data for
transmission by the satellites. The user segment consists of the
GPS receivers used by both military and civilian.
The system is used by numerous civilians, who can use the GPS's
Standard Positioning Service worldwide free of charge. The GPS
Navigation System may be bought to the tune of $100 to $200 and are
widely available. A set is often combined in a bundle with a
Personal Digital Assistants (PDA) likened to a palm pilot, a car
computer or vehicle tracking system. The system is used as a
navigation aid in airplanes, ships and cars.
It is observed that the taxi cabs in the big cities of highly
industrialized countries such as New York and Tokyo have this GPS
Navigation System to complement the fast life in the city.
The system is used by computer controlled harvesters, mine trucks
and other vehicles to facilitate the work.
Hand held devices are used by mountain climbers and hikers. With
the GPS Navigation System at hand, climbing and hiking have become
more safe and fun.
Glider pilots use the logged signal to verify their arrival at
turnpoints in competitions.
Professionals such as land surveyors improved their crafts with the
help of the GPS Navigation System.
Commercial use can be land measurement, navigation and road
construction.
Parents worry less now about the whereabouts of their children
because the GPS Navigation System provides them information of
where their kids are.
Since this device was designed and is being controlled by the
military, it is primarily used for monitoring the security of a
country from any terrorist activities or any criminal acts for that
matter.
The invention of the GSP Navigation System is something everybody
must be thankful about.
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