| Our ancestors used to work extremely hard
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| | operational and 3 extras (in case one
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| to protect themselves from getting lost
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| | fails) GPS satellites that moves round
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| in this mysterious world. They used to
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| | the Earth every 12 hours.The control of
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| erect monumental landmarks, study
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| | the Global Positioning System consists of
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| conventional land maps and of course they
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| | different tracking stations that are
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| used to mark the stars in the night
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| | located across the world. These
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| sky.But today it is very easy to know
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| | monitoring stations help in tracking
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| one's position. You just only have to get
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| | signals from those Space Vehicles which
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| a pocket-sized gadget that will make you
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| | are continuously orbiting the earth. The
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| know your exact position on this earth at
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| | Space Vehicles transmit microwave carrier
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| any given moment. The system of knowing
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| | signals. The users of the Global
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| one's exact position on this earth is
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| | Positioning System have GPS receivers
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| known as 'Global Positioning System'. If
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| | that convert the satellite signals which
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| anyone has a Global Positioning System
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| | estimate position, velocity and time.
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| (GPS) receiver, and if the sky remains
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| | Four satellites are required to track the
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| clear, then no way can he get lost on
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| | three dimensional location and time. The
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| this earth.Of note is that this
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| | primary function of Global Positioning
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| pocket-sized gadget, the Global
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| | System is the navigation in three
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| Positioning System receiver, is quite
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| | dimensions. The Navigation receivers are
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| expensive and it also involves a fair
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| | used for aircraft, ships, and ground
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| amount of technical ingenuity.GPS is
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| | vehicles and sometimes for personal use
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| specially a Satellite Navigation System
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| | as well.With GPS receivers, precise
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| that helps in tracking our exact location
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| | positioning of any location can be done.
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| with the help of satellites. The Global
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| | The Global Positioning system is based on
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| Positioning System is mainly funded and
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| | a simple mathematical calculation that
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| controlled by the U.S Department of
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| | operates through a process called
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| Defense (DOD). The system was primarily
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| | Trilateration. In order to make the
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| designed for the operation of U. S.
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| | simple mathematical calculation the GPS
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| military. But there are also many civil
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| | receiver should know two things.++ One is
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| users of GPS across the globe. The Global
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| | the location of the place to be traced by
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| Positioning System provides some special
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| | at least three satellites.++ Secondly, is
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| satellite signals which are then
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| | the distance between the where the
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| processed in the GPS receiver. These GPS
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| | receiver is located and each of those
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| receiver's not only track the exact
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| | Space Vehicles.All units have multiple
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| location, but can also compute velocity
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| | receivers, and can pick up signals from
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| and time.The positions can even be
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| | several GPS satellites at a same time.
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| computed in three dimensional views with
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| | These radio waves are electromagnetic
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| the help of four GPS satellite signals.
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| | energy that travels at the speed of
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| The Space Segment of the Global
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| | light.The civil users across the world
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| Positioning System consists of the GPS
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| | are allowed to use the Standard
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| satellites. These satellites send radio
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| | Positioning Service without any kind of
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| signals from space which are received by
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| | charge or restrictions.
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| the GPS receiver.There are more than 24
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