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When Jean Rabault was looking for a cheaper and more compact way to collect data on sea ice for the Norwegian Meteorological Institute, he looked to the Artemis Global Tracker (AGT) as an alternative.
Correction data is used in surveying and navigation to enhance the accuracy of GNSS. Learn here about what types of errors it fixes, how you can use correction data in your projects, and the difference between DGNSS, RTK, SBAS, and PPP