[ntp:questions] Running ntpd with PPS precision signal only
alexvm22 at gmail.com
Wed Feb 29 18:15:52 UTC 2012
2012/2/29 Chris Albertson <albertson.chris at gmail.com>
> Is the TXCO also used to clock the ARM?
No, TXCO is used for FPGA clocking only but it doesn't matter because PPS
is emulating by FPGA from original GPS PPS.
> I think the best thing is to let ntpd choose the clock. simply
> configure it to use the nmea and pps and when/if one of them goes away
> It is actually pretty good at doing the right thing
Now I'm using NMEA driver with PPS support
#NMEA + PPS
server 127.127.20.0 mode 16 prefer minpoll 4
fudge 127.127.20.0 flag1 1 flag3 1 refid NV24
but if I reset or disconnect GPS receiver reach value is decreasing to 0
and ntpd stopped...
> Chris Albertson
> Redondo Beach, California
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