remote refid st t when poll reach delay offset jitter
==============================================================================
*ntp-a2.nict.go. .NICT. 1 u 3 16 377 1.265 0.003 0.016
+ntp1.jst.mfeed. 133.243.236.17 2 u 27 64 377 2.286 0.858 0.054
Last generated @ 2020/03/31 04:16:00
Using: * , Available: +
Supplying wrong time: x
Far distance(but available): #
Clustering inspection failure: -
Congestion: .