$ ntpq -pn
remote refid st t when poll reach delay offset jitter
==============================================================================
+210.173.160.27 133.243.236.19 2 u 689 1024 377 27.022 -0.154 0.455
*210.173.160.57 133.243.236.19 2 u 660 1024 377 27.898 -0.036 0.154
+210.173.160.87 133.243.236.20 2 u 691 1024 377 27.237 -0.083 0.280
