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A 4-part writeup on how GPS works and how to implement a GPS receiver: I/Q data, asynchronous CDMA, GPS C/A and P code, Heterodyne demodulation, etc.
A 4-part writeup on how GPS works and how to implement a GPS receiver: I/Q data, asynchronous CDMA, GPS C/A and P code, Heterodyne demodulation, etc.