$ ntpq -pn
remote refid st t when poll reach delay offset jitter
==============================================================================
+210.173.160.27 133.243.236.20 2 u 277 1024 377 27.404 1.684 0.330
*210.173.160.57 133.243.236.17 2 u 232 1024 377 27.076 2.316 0.364
+210.173.160.87 133.243.236.17 2 u 287 1024 377 29.289 1.213 1.053
