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Just because Maker Faires, conferences, and summits have been cut down to a minimum doesn't mean you can't continue to expand your circle of like-minded maker friends. Here are a few suggestions for folks that you may want to follow (if you aren't already).
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