$ ntpq -pn
remote refid st t when poll reach delay offset jitter
==============================================================================
+210.173.160.27 133.243.236.17 2 u 969 1024 377 29.346 3.522 0.223
*210.173.160.57 133.243.236.17 2 u 907 1024 377 29.125 2.796 0.244
+210.173.160.87 133.243.236.18 2 u 959 1024 377 28.004 3.451 0.681
