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Updating Statistical maps

Updating Statistical maps . with GPS. G lobal P ositioning S ystem. Space segment. Control segment. Users Segment. Space segment. GPS Satellites Name: NAVSTAR Manufacturer: Rockwell International Altitude: 10,900 nautical miles Weight: 1900 lbs (in orbit)

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Updating Statistical maps

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  1. Updating Statistical maps with GPS

  2. Global Positioning System Space segment Control segment Users Segment

  3. Space segment GPS Satellites Name: NAVSTAR Manufacturer: Rockwell International Altitude: 10,900 nautical miles Weight: 1900 lbs (in orbit) Size:17 ft with solar panels extended Orbital Period: 12 hours Orbital Plane: 55 degrees to equatorial plane Planned Lifespan: 7.5 years Current constellation: 24 Block II production satellites Future satellites: 21 Block IIrs developed by Martin Marietta

  4. Users Segment

  5. Projection

  6. Errors: Atmospheric error Clock & Orbit Error Multi path Error S.A. (Selective Availability) A.S. (Anti Spoofing) DOP(Dilution Of Precision)

  7. Differential GPS

  8. Positioning Methods: Static method Kinematic method Stop & Go method

  9. Choosing suitable receiver:

  10. Updating Statistical maps with GPS 1- Rural Maps (Scale 1:50000) 2-Urban Maps (scale 1:2000)

  11. Rural Maps: مرغداري حيدري

  12. Updating Roads:

  13. Urban Maps:

  14. Urban Maps:

  15. Problems: in the urbanareas the high buildings and trees were caused cycle slip and slowness the work.

  16. Result: updating the urban and rural maps of 2 provinces.

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