[geeks] Cheap USB GPS units

[Dan Duncan]

On Fri, Nov 26, 2010 at 9:42 PM, Bill Bradford <mrbill at mrbill.net> wrote:
> On Wed, Nov 24, 2010 at 12:33:28AM -0700, Dan Duncan wrote:
>> You can be a Stratum 1 NTP server.
>
> I *think* it's working.
>
> root at uglybuntu:/var/lib/ntp# ntpq -p
>     remote           refid      st t when poll reach   delay   offset
> jitter
>
=============================================================================
=
>  GPS_NMEA(0)     .GPS.            0 l    6   64    1    0.000  2773.40
> 0.001
>  time.nist.gov   .ACTS.           1 u    6   64    1   76.110  4071.00
> 0.001
>  rikku.vrillusio 208.90.144.72    2 u    5   64    1   63.660  4069.61
> 0.001
>  host2.kingrst.c 173.14.47.149    2 u    4   64    1   63.341  4072.99
> 0.001
>  clock-b.develoo 204.152.184.72   2 u    3   64    1   63.566  4066.81
> 0.001
>  211.229.223.67. 149.20.68.17     3 u    2   64    1   74.300  4073.96
> 0.001

Turn off the other sources, screw up your time, and restart ntpd.
That will tell you for certain that it's working.


--
Dan Duncan