[ntp:questions] Time synchronization

Dave Hart davehart at gmail.com
Fri Feb 6 22:00:55 UTC 2009


On Feb 6, 5:35 pm, rxd1... at louisiana.edu (Dahal Runa) wrote:
> gpsd: Packet discard of 35, chars remaining is 0 =
> gpsd: <= GPS: $GPZDA,220649.000,05,02,2009,,*51
> gpsd: pps-detect (DCD) on /dev/ttyM0 changed to 0
> gpsd: PPS pulse rejected. No fix.
> gpsd: pps-detect (DCD) on /dev/ttyM0 changed to 1
> gpsd: PPS pulse rejected. No fix.

There is nothing in the $GPZDA sentence to indicate whether the GPS
has a good fix.  My hunch is gpsd wants you to enable the GPS to send
$GPMRC, $GPGGA, or $GPGLL, or another sentence which has a fix
indication available which gpsd understands.  Just a guess, I don't
use gpsd.

Cheers,
Dave Hart




More information about the questions mailing list