ntp.iwik.sk

Stratum 1 (synchonized using DCF-77) NTP server located in Bratislava, Slovakia
210 Number of sources = 16

  .-- Source mode  '^' = server, '=' = peer, '#' = local clock.
 / .- Source state '*' = current synced, '+' = combined , '-' = not combined,
| /   '?' = unreachable, 'x' = time may be in error, '~' = time too variable.
||                                                 .- xxxx [ yyyy ] +/- zzzz
||      Reachability register (octal) -.           |  xxxx = adjusted offset,
||      Log2(Polling interval) --.      |          |  yyyy = measured offset,
||                                \     |          |  zzzz = estimated error.
||                                 |    |           \
MS Name/IP address         Stratum Poll Reach LastRx Last sample               
===============================================================================
#* DCFa                          0   6   377    95  -1326us[-1528us] +/-  390us
^? hAPac2                        2   6   377    19  +1435us[+1435us] +/-   32ms
^? avenger.iwik.org              3   6   377    31  -1582us[-1582us] +/-   22ms
^? ptbtime1.ptb.de               1   6   377    49  -4233us[-4233us] +/-   15ms
^? ptbtime3.ptb.de               1   6   377    29  -4486us[-4486us] +/-   16ms
^? ptbtime2.ptb.de               1   6   377    16  -5105us[-5105us] +/-   16ms
^? ntp.telekom.sk                1   6   377     6   +239us[ +239us] +/- 1739us
^? ntp.ufe.cz                    1   6   377    22   +888us[ +888us] +/- 4535us
^? tik.cesnet.cz                 1   6   377    16  +1005us[+1005us] +/- 5130us
^? tak.cesnet.cz                 1   6   377    31   +895us[ +895us] +/- 5197us
^? ntp.nic.cz                    1   6   377    51    -83us[  -83us] +/- 4923us
^? ntp.hr                        1   6   377   452  +5903us[+5722us] +/-   17ms
^? ntp.jh1.at                    1   6   377    13  -3855us[-3855us] +/-   12ms
^? gemini.ta3.sk                 0   6     0     -     +0ns[   +0ns] +/-    0ns
^? lyra.ta3.sk                   2   6   377    46   +683us[ +683us] +/-   32ms
^? bootes.ta3.sk                 0   6     0     -     +0ns[   +0ns] +/-    0ns
210 Number of sources = 16
Name/IP Address            NP  NR  Span  Frequency  Freq Skew  Offset  Std Dev
==============================================================================
DCFa                       29  12   29m     -0.042      0.628  -2663ns   488us
hAPac2                     10   7   644     -0.268      0.405  +1419us    54us
avenger.iwik.org           37  19   39m     -0.392      0.032  -1586us    38us
ptbtime1.ptb.de            21  12   36m     -0.544      0.123  -3600us    97us
ptbtime3.ptb.de            18   7   29m     -0.682      0.720  -4069us   441us
ptbtime2.ptb.de            31  15   86m     -0.559      0.069  -3612us   177us
ntp.telekom.sk             56  23   90m     -0.574      0.033   +747us   102us
ntp.ufe.cz                 64  30   69m     -0.547      0.118  +1191us   332us
tik.cesnet.cz              44  24   47m     -0.463      0.157   +778us   253us
tak.cesnet.cz              64  39   69m     -0.478      0.120   +843us   320us
ntp.nic.cz                 62  32   66m     -0.550      0.133   +912us   332us
ntp.hr                     13   7   25m     -0.612      0.355  +5700us   152us
ntp.jh1.at                 13   9   779     -0.038      0.674  -3101us   132us
gemini.ta3.sk               0   0     0     +0.000   2000.000     +0ns  4000ms
lyra.ta3.sk                54  22   66m     -0.466      0.055  +1294us   139us
bootes.ta3.sk               0   0     0     +0.000   2000.000     +0ns  4000ms
Reference ID    : 44434661 (DCFa)
Stratum         : 1
Ref time (UTC)  : Tue Oct 04 23:21:57 2022
System time     : 0.000066726 seconds slow of NTP time
Last offset     : -0.000206237 seconds
RMS offset      : 0.000130943 seconds
Frequency       : 19.249 ppm fast
Residual freq   : -0.042 ppm
Skew            : 0.690 ppm
Root delay      : 0.000000001 seconds
Root dispersion : 0.000727502 seconds
Update interval : 64.0 seconds
Leap status     : Normal
https://www.ntppool.org/scores/62.197.224.14
DCF77

DCF77 Receiver

ntp-refclock logs:

Oct  4 18:47:00 ntp ntp-refclock[1343586]: parse: convert_rawdcf: start bit / parity check FAILED for "#--#-#-#--#-#----D--S1248--4p-----2P--4----2-----1-2---2--P"
Oct  4 18:47:00 ntp ntp-refclock[1343586]: PARSE receiver #0: conversion status "CONVERSION FAILED; ILLEGAL FORMAT"
Oct  4 18:47:00 ntp ntp-refclock[1343586]: PARSE receiver #0: FAILED TIMECODE: "#--#-#-#--#-#----D--S1248--4p-----2P--4----2-----1-2---2--" (check receiver configuration / wiring)
Oct  4 18:48:00 ntp ntp-refclock[1343586]: PARSE receiver #0: SYNCHRONIZED
Oct  4 19:00:00 ntp ntp-refclock[1343586]: parse: convert_rawdcf: start bit / parity check FAILED for "-#-#-##--#--##---D--S--4----p1----2p--4----2-----1-2---2--P"
Oct  4 19:00:00 ntp ntp-refclock[1343586]: PARSE receiver #0: conversion status "CONVERSION FAILED; ILLEGAL FORMAT"
Oct  4 19:00:00 ntp ntp-refclock[1343586]: PARSE receiver #0: interval for following error message class is at least 00:01:00
Oct  4 19:00:00 ntp ntp-refclock[1343586]: PARSE receiver #0: FAILED TIMECODE: "-#-#-##--#--##---D--S--4----p1----2p--4----2-----1-2---2--" (check receiver configuration / wiring)
Oct  4 19:01:00 ntp ntp-refclock[1343586]: PARSE receiver #0: SYNCHRONIZED
Oct  4 20:20:00 ntp ntp-refclock[1343586]: parse: convert_rawdcf: start bit / parity check FAILED for "-#---#-#####--#--D--S-----24P-2---2p--4----2-----1-2---2--P"
Oct  4 20:20:00 ntp ntp-refclock[1343586]: PARSE receiver #0: conversion status "CONVERSION FAILED; ILLEGAL FORMAT"
Oct  4 20:20:00 ntp ntp-refclock[1343586]: PARSE receiver #0: interval for following error message class is at least 00:01:00
Oct  4 20:20:00 ntp ntp-refclock[1343586]: PARSE receiver #0: FAILED TIMECODE: "-#---#-#####--#--D--S-----24P-2---2p--4----2-----1-2---2--" (check receiver configuration / wiring)
Oct  4 20:21:00 ntp ntp-refclock[1343586]: parse: convert_rawdcf: start bit / parity check FAILED for "-#####-###---##--D--S1----2-p-2---2p--4----2-----1-2-8-2--P"
Oct  4 20:22:00 ntp ntp-refclock[1343586]: PARSE receiver #0: SYNCHRONIZED
Oct  4 20:24:00 ntp ntp-refclock[1343586]: parse: convert_rawdcf: start bit / parity check FAILED for "-###--####-###---D--S--4--2-p-2---2p1-4----2-----1-2---2--P"
Oct  4 20:24:00 ntp ntp-refclock[1343586]: PARSE receiver #0: conversion status "CONVERSION FAILED; ILLEGAL FORMAT"
Oct  4 20:24:00 ntp ntp-refclock[1343586]: PARSE receiver #0: interval for following error message class is at least 00:01:00
Oct  4 20:24:00 ntp ntp-refclock[1343586]: PARSE receiver #0: FAILED TIMECODE: "-###--####-###---D--S--4--2-p-2---2p1-4----2-----1-2---2--" (check receiver configuration / wiring)
Oct  4 20:25:00 ntp ntp-refclock[1343586]: PARSE receiver #0: SYNCHRONIZED