$ ntpq -pn remote refid st t when poll reach delay offset jitter ============================================================================== +210.173.160.27 133.243.236.20 2 u 36 1024 377 27.855 -2.386 1.137 *210.173.160.57 133.243.236.19 2 u 557 1024 377 28.861 -3.472 0.789 +210.173.160.87 133.243.236.19 2 u 591 1024 377 27.980 -3.044 0.654