did I mention that with the CPLD version of the dongle we can receive Beidou-M1, the first satellite of the Chinese global navigation system?
The bird transmits a BPSK(2) on a 1561.098 MHz carrier. Slightly modifying the Matlab code from the book "A Software-Defined GPS and Galileo Receiver. A single frequency approach" by Kai Borre, Dennis M. Akos, Nicolaj Bertelsen, Peter Rinder, and Soren Holdt Jense, I got the following results:
We then decoded some subframes :)
E240D6B6646014EE460A8AFD7D5FF5FF7E78D4880A8084C57BE8B8F0DF0E51A81F7C1832670
E241169A2075B6D666665959999965666665959999965666665959999965666665959999965
E24156A620779C7666665959999965666665959999965666665959999965666665959999965
E2405682606829F0134ED7813F5591A2A000A800000000000000000000000005440402E02CE
E240968A246E564ED5BFAC1B969835C0008DB0CC8BBDA0512B964B7F8A6124C8CC57AE233C0
E240D6B6646AB46E460A8AFD7D5FF5FF7E78D4880A8084C57BE8B8F0DF0E51A81F7C1832670
E241169A2180998666665959999965666665959999965666665959999965666665959999965
E24156A6218231A666665959999965666665959999965666665959999965666665959999965
E240568260C803F0134ED7813F5591A2A000A800000000000000000000000005440402E02CE
E240968A24CCF4CED5BFAC1B969835C0008DB0CC8BBDA0512B964B7F8A6124C8CC57AE233C0
And soon I will publish some more results...
Michele
