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Whitepaper: Comparing NRT GNSS Post-Processing with Common Correction Services

Published: 27 Mar 2019 by

NovAtel GNSS correction whitepaperNovAtel, a leading provider of high-precision GNSS positioning technology for unmanned aerial vehicles (UAVs) and other unmanned platforms, has released a whitepaper comparing the performance of its Waypoint GNSS post-processing software, which incorporates a TerraStar Near-Real-Time (NRT) license, with the performance of other common correction services with longer latency.

Download the full whitepaper from NovAtel’s website

NRT enhancements provide:

  • Fast availability (~15-minute latency)
  • High reliability and redundancy
  • Multi-constellation (GPS, GLONASS, BeiDou, Galileo, QZSS) support
  • High rate corrections (good for low noise kinematic trajectories)

The paper gives details of:

  • Performance evaluation of Static Precise Point Positioning (PPP), which demonstrates base station coordinate determination accuracy
  • Performance evaluation of Kinematic PPP, using aerial survey testing to demonstrate accuracy with respect to a reference solution

The test results show that both static and kinematic performance demonstrate similar accuracy no matter whether TerraStar NRT products, with only a 15-minute latency, or other products with 12-18 day latency are used. NRT subscriptions can therefore be invaluable to users requiring base station coordinate determination as quickly as possible after data collection, or a quick turnaround without sacrificing the quality of results delivered.

To find out more, download the whitepaper from NovAtel’s website.

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Posted by Mike Ball Mike Ball is our resident technical editor here at Unmanned Systems Technology. Combining his passion for teaching, advanced engineering and all things unmanned, Mike keeps a watchful eye over everything related to the unmanned technical sector. With over 10 years’ experience in the unmanned field and a degree in engineering, Mike’s been heading up our technical team here for the last 8 years. Connect & Contact

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