tompkel.net NTP server status

Allan deviation, all sources
Overlapping Allan deviation of each server's self-reported clock offset
sourceτADEV(τ)AVAR(τ)TDEV(τ)data span
ntp.int.tompkel.net 100 5.68e-8 3.22e-15 1.30 µs 23.1 d
1000 6.10e-9 3.72e-17 1.15 µs
10000 8.24e-10 6.78e-19 2.02 µs
666300 1.28e-11 1.64e-22 —
ntp2.int.tompkel.net 100 1.65e-9 2.73e-18 82 ns 23.1 d
1000 9.74e-10 9.49e-19 404 ns
10000 1.37e-10 1.88e-20 258 ns
666288 1.92e-12 3.68e-24 —
ntp3.int.tompkel.net 100 3.42e-9 1.17e-17 83 ns 2.6 d
1000 5.69e-10 3.23e-19 226 ns
10000 1.08e-10 1.17e-20 310 ns
74368 1.43e-11 2.04e-22 47 ns
ntp4.int.tompkel.net 10 1.67e-8 2.79e-16 64 ns 23.1 d
100 1.69e-9 2.86e-18 16 ns
1000 1.69e-10 2.87e-20 6 ns
10000 1.72e-11 2.95e-22 3 ns
666332 2.15e-13 4.63e-26 —
ntp5.int.tompkel.net 10 1.44e-8 2.08e-16 59 ns 14.6 d
100 1.51e-9 2.28e-18 20 ns
1000 1.48e-10 2.18e-20 8 ns
10000 1.47e-11 2.16e-22 3 ns
220756 6.49e-13 4.22e-25 —
ntp6.int.tompkel.net 10 4.64e-9 2.15e-17 25 ns 10.0 d
100 6.85e-10 4.69e-19 19 ns
1000 7.54e-11 5.69e-21 14 ns
10000 7.43e-12 5.52e-23 6 ns
287632 2.83e-13 8.01e-26 —
ntpwatch.int.tompkel.net 100 8.46e-10 7.16e-19 30 ns 16.6 d
1000 8.05e-11 6.47e-21 8 ns
10000 7.99e-12 6.38e-23 3 ns
479232 1.60e-13 2.56e-26 —