$ ntpq -pn
remote refid st t when poll reach delay offset jitter
==============================================================================
+210.173.160.27 133.243.236.18 2 u 963 1024 377 27.962 2.084 0.018
*210.173.160.57 133.243.236.18 2 u 951 1024 377 27.721 2.035 0.008
+210.173.160.87 133.243.236.20 2 u 967 1024 377 27.592 1.872 0.109
