$ ntpq -pn remote refid st t when poll reach delay offset jitter ============================================================================== +210.173.160.27 133.243.236.19 2 u 564 1024 377 27.876 0.475 0.875 +210.173.160.57 133.243.236.20 2 u 542 1024 377 27.633 0.936 0.340 *210.173.160.87 133.243.236.19 2 u 509 1024 377 30.411 -0.385 3.401