Re: ✘ Add NEO-M9N NMEA logfile.

[Fred Wright]

On Wed, 29 Jul 2020, Gary E. Miller wrote:
> On Wed, 29 Jul 2020 18:15:30 -0700
> Hal Murray <hmurray@megapathdsl.net> wrote:
>
> > fw@fwright.net said:
> > > In theory, gpsd could do a better job of "blending" NMEA and
> > > binary, but that's a significant undertaking.
> >
> > Is there any information in the NMEA stream that isn't also in the
> > binary?
>
> Sadly, yes, but very little of note.  For example the startup NMEA
> messages tell you things unavailable otherways.
>
> > Could you set a flag when you see binary and just skip any
> > NMEA if the flag is set?
>
> No way to "skip", but just turn NMEA off:
>
>    # gpsctl -b

Which is precisely what's been broken for about two months (in addition to 
the automatic binary switching).

> or:
>
>    # ubxtool -d NMEA

Also broken.  I haven't previously investigated the -e/-d NMEA/BINARY, but 
should include it in testing.

Fred Wright