remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
-dns-ext-cvk.cha 5.9.110.236      3 u    2   64  377    0.235   -0.233   0.022
-ntps1-0.eecsit. .PPS.            1 u   15   64  377    0.258    0.168   0.438
-ntps1-1.eecsit. .GPS.            1 u   28   64  377    0.579    0.529   0.119
+zeit.fu-berlin. .PPS.            1 u   48   64  377    1.018    0.422   0.042
+time.fu-berlin. .PPS.            1 u   51   64  377    1.101    0.464   0.020
-ptbtime1.ptb.de .PTB.            1 u   17   64  377    7.486    0.581   1.118
-ptbtime2.ptb.de .PTB.            1 u   38   64  377    7.528    0.562   0.095
*SHM(0)          .shm0.           0 l    2   16  377    0.000   -0.002   0.005