$ ntpq -pn
remote refid st t when poll reach delay offset jitter
==============================================================================
+210.173.160.27 133.243.236.20 2 - 684 1024 377 28.288 -1.725 1.019
+210.173.160.57 133.243.236.20 2 - 702 1024 377 28.773 -1.746 0.198
*210.173.160.87 133.243.236.18 2 - 671 1024 377 28.095 -0.702 0.240
