Re: [gpsd-dev] PPS over USB

[Håkan Johansson]

On Wed, 2 May 2012, Dave Taht wrote:

> the ublox 6 has a special mode for single sat operations.

Also the oncore has this mode.  I do not remember if the patches bypass 
the 'require-2d-fix to allow PPS timing' when the oncore device reported 
time as collected in this mode got into gpsd.  I'd need to get my 
equipment running again...

Cheers,
Håkan

> On Wed, May 2, 2012 at 1:07 PM, Chris Kuethe <address@hidden> wrote:
> > On Wed, May 2, 2012 at 12:53 PM, Gary E. Miller <address@hidden> wrote:
> > > On Wed, 2 May 2012 07:11:07 -0500 Jim Thompson <address@hidden> wrote:
> > > > tl;dr: One bird won't do.
> > >
> > > And in fact gpsd knows this and refuses to use the time until several
> > > 2D fixes have been sent from the GPS.  That is per the Garmin
> > > recommendation.
> >
> > I should probably test gpsd's opinion on this.
> >
> > I have a few timing receivers that will, after running a site survey,
> > operate with only a single PRN in track. I believe the NMEA output
> > claims it's operating in 3D mode, and there's some status bit in the
> > binary protocol to say "well, actually it's in fixed-position timing
> > mode"
> >
> > --
> > GDB has a 'break' feature; why doesn't it have 'fix' too?
>
>
>
> --
> Dave Täht
> SKYPE: davetaht
> US Tel: 1-239-829-5608
> http://www.bufferbloat.net