How TerraStar Works

TerraStar is available for use in a variety of applications including precision agriculture, construction, survey, UAV and ground truth systems. With a range of options to fit your needs, TerraStar is as precise as you need to be. With the highest reliability clock and orbit data from our world-wide reference network means you have assured, reliable positioning anywhere, anytime.

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How Correction Services Work


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We are pioneers and global leaders in satellite-based correction services with our high-reliability and availability TerraStar® services. Superior GNSS reference stations, redundant system architecture and continuous quality monitoring contribute to an exceptional service that is available anytime, anywhere. TerraStar Correction Services transmit correction data in real-time, with minimal latency, directly to NovAtel® receivers via satellite link or internet connection to provide a robust solution, no matter where you are in the world.

TerraStar System Advantages:

  • Complete global coverage from independently owned and operated GNSS reference stations.
  • 3 geographically separated Network Control Centers ensuring over 99.999% availability.
  • Ownership over end-to-end correction generation process to provide industry-leading data quality.
  • Broadcast over geostationary communication satellites for overlapping global coverage.
  • Corrections transmitted over a minimum of 2 beams (Triple L-Band tracking) directly to your receiver so you’re never without correction data.
  • 24/7/365, all-weather correction services combined with NovAtel’s superior OEM receiver technology allows continuous operation even through correction outages up to 5 minutes.
  • Scalable service levels and flexible subscription plans for any application.
  • Seamlessly integrates with NovAtel GNSS hardware.