$ ntpq -pn remote refid st t when poll reach delay offset jitter ============================================================================== +210.173.160.27 133.243.236.19 2 u 634 1024 377 27.859 -2.248 1.133 *210.173.160.57 133.243.236.17 2 u 117 1024 377 27.400 -1.354 1.118 +210.173.160.87 133.243.236.19 2 u 138 1024 377 27.893 -2.149 0.310