Name/IP Address            NP  NR  Span  Frequency  Freq Skew  Offset  Std Dev
==============================================================================
169.254.169.123            31  15  267m     -0.001      0.005  -8226ns    31us
time-d-wwv.nist.gov        62  32  543m     +0.003      0.007   -602us   169us
time1.google.com           30  15  250m     +0.009      0.020    +20us   131us