Rob:
I updated my ntp.conf and restarted ntpd and got the following:
godzilla:/etc# ntpq -p
remote refid st t when poll reach delay offset
jitter
==============================================================================
+time.nist.gov .ACTS. 1 u 50 64 17 56.635 -5.536
6.242
+ntp-nasa.arc.na .GPS. 1 u 45 64 17 91.943 8.023
1.997
+tick.usask.ca .GPS. 1 u 47 64 17 94.198 4.766
1.470
*ntp.alaska.edu .GPS. 1 u 46 64 17 129.114 2.305
3.711
+timekeeper.isi. .GPS. 1 u 47 64 17 92.737 -0.813
9.839
+ntp2.usno.navy. .USNO. 1 u 43 64 17 70.944 -4.711
8.011
xSHM(0) .GPS. 0 l 6 16 377 0.000 -872.25
24.157
SHM(1) .PPS. 0 l - 16 0 0.000 0.000
0.001
godzilla:/etc# ntpdc -p
remote local st poll reach delay offset disp
=======================================================================
=SHM(0) 127.0.0.1 0 16 377 0.00000 -0.880900 0.01558
=SHM(1) 127.0.0.1 0 16 0 0.00000 0.000000 4.00000
=time.nist.gov 192.168.3.25 1 64 17 0.05663 -0.005536 0.02985
=ntp-nasa.arc.na 192.168.3.25 1 64 17 0.09193 0.008023 0.05170
=timekeeper.isi. 192.168.3.25 1 64 17 0.09273 -0.000813 0.05016
*ntp.alaska.edu 192.168.3.25 1 64 17 0.12910 0.002305 0.03375
=tick.usask.ca 192.168.3.25 1 64 17 0.09419 0.004766 0.03609
=ntp2.usno.navy. 192.168.3.25 1 64 17 0.07094 -0.004711 0.02855
>
> Then your ntp config is wrong.
> Try this:
>
>
> server 127.127.28.0 minpoll 4 fudge 127.127.28.0 refid GPS
>
> server 127.127.28.1 minpoll 4 prefer fudge 127.127.28.1 refid PPS
>
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