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Machine Control GPS
How GPS Works : GPS Machine Control : GPS Benefits : GPS Costs & Parts
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GPS Info:
What is GPS
How GPS Works
GPS Systems Accuracy
- US GPS
- Soviet GLONASS
- EU Galileo
- Why GPS, GLONASS & Galileo

Machine Control GPS:
How GPS Machine Control Works
- Base Stations intro
- Radio Base Stations
- GPS and RTK accuracy
- GPS + Laser = MM Accuracy
- GPS + Cell = 1200+ Sq Miles
- GPS on Machines
- GPS Control Boxes/Computers
- GPS Automate Vs. Indicate

GPS System Benefits:
GPS Machine Control Benefits
- Billing Controls
- Data and Management
- Job Management
- Move Dirt 1 Time!
- Many Machines

GPS Parts, Prices, and More:
GPS Machine Control Parts & Cost
- Pricing Automate vs Indicate
- GPS for Graders
- GPS for Dozers
- GPS for Blades
- GPS for Scrapers
- GPS for Excavators

Informative Grade Sites:
AccurateGrade.com
- Precision Grading Practices

LowCostMachineControl.com
- Laser Machine Systems

Sponsors:
Rocky Mtn Lasers
Construction Lasers


Construction Directory

The EU GALILEO Global Positioning Constellation


GALILEO is a global navigation satellite system (GNSS) which is being developed by Europe. The European Union GNSS initiatives started in 1994 [http://www. galileosworld.com, 2005]. The system will provide a highly accurate, guaranteed global positioning service under civilian control, as opposed to military control as all other systems. The first satellite was launched in late 2005. The full system, not yet operational, will have 30 satellites positioned in three circular Medium Earth Orbit (MEO) planes at 23616 km altitudes, and inclinations of 56 degrees with reference to the equatorial plane. Having completed the system, the Galileo navigation signals will provide good satellite coverage and decrease the dilution of precision or DOP, associated with northern latitudes up to 75 degrees. The large number of satellites, together with the optimization of the constellation, and the availability of the three active spare satellites, will ensure that the loss of one satellite has no discernible effect on end users.

GALILEO systems will offer the world a number of benefits over GPS systems alone.

* GALILEO has been designed and developed as a non-military satellite platform.
* GALILEO is based on the same technology as the US GPS system and provides a similar - and possibly higher - degree of precision
* GALILEO is more reliable as it includes the error correction, "integrity messages", and more information in the L2 code informing the user immediately of any errors
* GALILEO is a real public service and, as such, guarantees continuity of satellite positioning availability no matter the geopolitical landscape
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