$ ntpq -pn remote refid st t when poll reach delay offset jitter ============================================================================== +210.173.160.27 133.243.236.20 2 u 888 1024 377 28.558 -0.331 0.604 +210.173.160.57 133.243.236.20 2 u 877 1024 377 28.451 -1.092 0.756 *210.173.160.87 133.243.236.19 2 u 826 1024 377 27.267 0.155 0.302