$ ntpq -pn remote refid st t when poll reach delay offset jitter ============================================================================== +210.173.160.27 133.243.236.18 2 u 973 1024 377 26.746 3.005 0.269 *210.173.160.57 133.243.236.19 2 u 926 1024 377 26.819 2.912 0.346 +210.173.160.87 133.243.236.17 2 u 964 1024 377 28.487 2.909 1.809