I like input NMEA sentence on GPS1 port.
My GNSS send RTK position, it’s a rover who received correction by 4G modem by connection to NTRIP Caster or by radio modem when corrections are transmet by my GNSS Base.
GPS_SBP_LOGMASK: -256 (I don’t understand this option and I don’t test -1 or 0)
My GNSS output data by DB9 RS232 femelle , I build a cable with DB9 male to GPS1 connector, Pin2 DB9 to Pin2 GPS1, Pin3 DB9 to Pin3 GPS1 and Pin5 DB9 to Pin8 GPS1. I test another cable, Pin2 DB9 to Pin3 GPS1, Pin3 DB9 to Pin2 GPS1 and Pin5 DB9 to Pin8 GPS1.
Has anyone made this kind of connection before? I can find no information about it!
Is there a documentation that details the frames and parameters for using the NMEA data of a GNSS RTK for navigation(Boats) and the log of the positions of a measurement (sonar in my case).