Re: release?

[Fred Wright]

On Fri, 30 Dec 2022, Gary E. Miller wrote:

> I'm not hearing much about testing.  Anyone testing?  Anyone need more
> time before a release?

End of year isn't the best time for such things. :-)

I didn't see any issues with build/check on a wide variety of platforms. 
But the skyview spasticity is still present.  It can be seen with cgps, 
xgps, or xgpsspeed (xgps being the most obvious).  I'm using a uBlox M9N
receiver with a multi-system antenna.

With the 3.24 xgps (and the latest gpsd), both Sats Seen and Sats Used 
toggle between zero and values that are probably correct.  With the 
current xgps (and still the latest gpsd), Sats Used is reasonably stable 
(varying a bit as one would expect; right now ~18), but Sats Seen toggles 
between two very different values (right now 32 vs. 40), where the larger 
is probably correct.  This correlates with whether the last JSON displayed 
in the middle pane is SKY or TPV (toggling at 1Hz), and the more complete 
version occurs when the last JSON was SKY.  The graphical display has 
several satellites blinking on and off correspondingly.  The baud rate is 
19200, which may affect the duty cycle, but probably not the conceptual 
behavior.

I also just noticed now that, in addition to the length of the satellite 
list toggling, the vakues in the prRes column also toggle, with the bad 
values being mostly zeroes.

I don't see why you shouldn't be able to reproduce this with a similar 
setup, which I believe you have.  I could capture a logfile, but I don't 
think there's a way to replay a logfile with recorded timing, and the 
timing probably matters in this case.

I see similar issues with gpsmon, but that seems to be operating in NMEA 
mode, and the xxGSV code really needs a major overhaul to handle 
multi-system receivers correctly.  The ugly kludge for the specific case 
of GPS+GLONASS just doesn't cut it.

Fred Wright