$ ntpq -pn
remote refid st t when poll reach delay offset jitter
==============================================================================
*210.173.160.27 133.243.236.19 2 u 1015 1024 377 27.321 2.802 0.130
+210.173.160.57 133.243.236.20 2 u 53 1024 377 28.509 3.176 0.321
+210.173.160.87 133.243.236.18 2 u 76 1024 377 26.975 2.589 0.356
