There is a interesting hobbyist level GPS frequency generator project on utube. Not time nuts level, but a neat project nonetheless. Uses the Neo-7M. Three parts. https://youtu.be/zZ6tc_ROdfU
-=Bryan=- > Date: Mon, 14 Mar 2016 16:11:16 -0400 > From: [email protected] > To: [email protected] > Subject: Re: [time-nuts] BG7TBL GPS Disciplined Source > > > I would say its even more convenient to monitor binary format, since its > more compact and could be read as a structures > > // u-blox UBX protocol essentials > > typedef struct ubx_header { > unsigned char preamble1; > unsigned char preamble2; > unsigned char msg_class; > unsigned char msg_id; > unsigned short length; > } my_ubx_header; > > typedef struct ubx_nav_timegps { > unsigned long iTOW_ms; > signed long fTOW_ns; > signed short week; > signed char leapS; > unsigned char valid; > unsigned long tAcc; > } my_ubx_nav_timegps; > > typedef struct ubx_nav_timeutc { > unsigned long iTOW_ms; > unsigned long tAcc_ns; > signed long nano; > unsigned short year; > unsigned char month; > unsigned char day; > unsigned char hour; > unsigned char min; > unsigned char sec; > unsigned char valid; > } my_ubx_nav_timeutc; > > and so on... > > > On 2016-03-14 15:38, Björn wrote: > > <div>-------- Originalmeddelande --------</div><div>Från: Gedas > > <[email protected]> </div><div>Datum:2016-03-14 19:52 (GMT+01:00) > > </div><div>Till: Discussion of precise time and frequency measurement > > <[email protected]> </div><div>Rubrik: Re: [time-nuts] BG7TBL GPS > > Disciplined Source </div><div> > > </div> > > > > Who would have guessed a Russian OCXO. And, I guess the U-Blox is not > > one of the better GPS units based on what Paul mentioned. But I think > > there is software out there that will let me at least monitor what my > > unit is doing and how many birds it is receiving data from. > > > > Ublox makes excellent receivers. The monitoring software is fine. > > > > https://www.u-blox.com/en/product/u-center-windows > > > > But they dont talk (old) scpi. > > > > -- > > Björn > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > -- > WBW, > > V.P. > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
