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GNSS supports various applications such as cadestral and construction surveying, mapping and infrastructure monitoring. Through the use of highly accurate GNSS-augmentation methods (such as Real Time Kinematics, RTK, and Precise Point Positioning, PPP) surveying operators receive the following benefits:

  • Time savings, such as faster performance of tasks and reduction in passes required by graders and excavators.
  • Input and capital savings thanks to fewer errors, maximisation of machine utilisation, and savings in fuel costs. These also reduce machine upkeep requirements.
  • Improved quality due to repeatable and consistent data recording and improved data exchange between design and construction.

The use of GNSS is also supporting trends such as the use of drones for surveying and mapping, the crowdsourcing of data and the means towards smart cities. It is expected that  construction activities in Asia-Pacific will continue be one of the main drivers of future GNSS growth, with shipment of surveying equipment already growing on average 37% per year since 2006. As free services such as the Galileo High Accuracy service become available, new mass market applications and mass manufacturing aspects may become relevant. GNSS is also increasingly being used in multi-sensor solutions, incorporating e.g. measurements from LIDAR or optical systems.


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