An open source GNSS receiver

This project is an open source project of a consumer level GNSS receiver. It has the capability to receive L1 band signals (including GPS/QZSS L1C/A, GPS/QZSS L1C, Galileo E1, BDS B1C and SBAS) and also extendable to receive L5 band signals (GPS/QZSS L5, Galileo E5a and BDS B2a).

First published on 6/8/2021 with initial version of C model and RTL of tracking engine and acquisition engine. Basic tests have been passed to verify the function of the code.