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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
SparkFun's resident audiophile Pete Lewis has been hard at work for a long time developing his own pair of customized headphones. His newest tutorial will guide you through how to build your own headphones with ambient microphones.