$ ntpq -pn
remote refid st t when poll reach delay offset jitter
==============================================================================
+210.173.160.27 133.243.236.20 2 - 778 1024 377 29.362 1.445 1.415
+210.173.160.57 133.243.236.18 2 - 839 1024 377 28.505 2.370 0.072
*210.173.160.87 133.243.236.19 2 - 670 1024 377 27.533 3.269 3.259
