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DATA ANALYSIS AN MAP MAKING USING COMPUTER. — Geography STD 12 Arts — Question

Gujarat BoardEnglish MediumSTD 12 ArtsGeographyDATA ANALYSIS AN MAP MAKING USING COMPUTER.3 Marks
Question
Explain briefly about Global Positioning System (GPS).
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Answer

  • GPS is a global location-determining system.
  • It is a radio sailing system that works all season.
  • This system has been developed by the USA Army.
  • The system has 24 satellites operating continuously around the earth.
  • The orbital time of each satellite is 12 hours.
  • Radio signals are sent to the earth from satellites.
  • Which is absorbed by the ground control centers located on the surface.
  • It is then restored.
  • These restored signal waves can be absorbed by the individual user into their device.
  • In this the person can know where he is on the surface of the earth at that time.
  • Arial view of one's location can be seen on the computer.

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