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Chapter 4, Differential GNSS

By Sam Pullen and Jason Rife

Chapter 4 discusses generic DGNSS systems and provides details on the use of space-based augmentation systems, such as the WAAS used extensively in North America. While there are no specific examples associated with this chapter, the software receiver discussed in Chapter 5 is capable of making WAAS ionosphere corrections as described in Chapter 4, thereby demonstrating a simple DGNSS application using real data.