[ntp:questions] xGPS/oPPS

Nickolay Orekhov nowhere at mail.ru
Sat Mar 10 17:03:53 UTC 2012


Tricky situation. First of all you should remove LOCAL(0). It is not needed
now and can only fool ntpd in many situations.

Next, i think that's because GPS_NMEA differs from ntp1.vniiftri.r.
And I bet you didn't set GPS_NMEA or  ntp1.vniiftri.r as "prefer" because
none
of them is used as supported clock for PPS.

2012/3/10 alex n <alexvm22 at gmail.com>

> Hi All,
>
> I have following:
>
>
> ==============================================================================
> LOCAL(0)           .CTB1.           1 l  39m    8    0    0.000    0.000
> 0.000
> ntp1.vniiftri.r         .PPS.            1 u   10   16  377  223.489
> 37.761   7.349
> xGPS_NMEA(0)  .NV24.           0 l    9    16  377    0.000    0.021
> 0.004
> oPPS(0)             .PPS.            0 l    7     16  377    0.000
> 0.020   0.004
>
>
> GPS_NMEA is nmea driver with pps support.  Why GPS is falseticker
> though it has a same offset as PPS?
>
> Thanks,
> Alexis.
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