GNSS augmentation refers to techniques and technologies used to enhance the performance and accuracy of Global Navigation Satellite Systems (GNSS), which include systems like GPS (Global Positioning System), GLONASS, Galileo, and BeiDou. While GNSS provides useful positioning information, its accuracy can be affected by various factors such as atmospheric conditions, signal multipath, and satellite geometry. Augmentation systems address these limitations by providing additional information to improve positioning precision, reliability, and availability.
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