$ ntpq -pn
remote refid st t when poll reach delay offset jitter
==============================================================================
+210.173.160.27 133.243.236.19 2 u 507 1024 377 28.339 0.587 0.025
*210.173.160.57 133.243.236.20 2 u 449 1024 377 28.430 1.391 0.588
+210.173.160.87 133.243.236.19 2 u 504 1024 377 28.560 1.860 1.401
