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    47   -425us[ +573us] +/-  318us
^? hAPac2                        2   6   377     3   -674us[ -674us] +/- 8088us
^? avenger.iwik.org              3   6   377    50   -930us[  +67us] +/-   27ms
^? ptbtime1.ptb.de               1   6   377    37  -5007us[-4008us] +/-   15ms
^? ptbtime3.ptb.de               1   6   377   303  -5213us[-3845us] +/-   15ms
^? ptbtime2.ptb.de               1   6   377    36  -5622us[-4623us] +/-   16ms
^? ntp.telekom.sk                1   6   377    11   -560us[ -560us] +/- 1252us
^? ntp.ufe.cz                   11   6   377    60  -1907us[ -912us] +/-   15ms
^? tik.cesnet.cz                 1   6   377    49  -1000us[-2812ns] +/- 5870us
^? tak.cesnet.cz                 1   6   377    57   -658us[ +338us] +/- 5366us
^? ntp.nic.cz                    1   6   377    19  -1078us[  -76us] +/- 4796us
^? ntp.hr                        1   6   377    46  +7609us[+8607us] +/-   14ms
^? ntp.jh1.at                    1   6   177   31m  -5004us[-4393us] +/-   11ms
^? gemini.ta3.sk                 1   6   377   111   -965us[ +184us] +/-   12ms
^? lyra.ta3.sk                   2   6   377   139  -1386us[ -243us] +/-   35ms
^? 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                        6   3   322     +4.600     11.669    +77us   366us
hAPac2                     12   7   711     +0.503      0.133   -714us    19us
avenger.iwik.org           17   8  1035     +0.129      0.107   -899us    34us
ptbtime1.ptb.de            45  21  157m     +0.081      0.018  -5131us    85us
ptbtime3.ptb.de             6   5   518     +0.896      1.262  -4761us    48us
ptbtime2.ptb.de             9   6   776     +0.780      0.422  -4935us    49us
ntp.telekom.sk              9   7   647     +0.572      0.315   -508us    38us
ntp.ufe.cz                 64  32   67m     +0.118      0.205  -1102us   565us
tik.cesnet.cz              64  37   70m     +0.027      0.121   -639us   328us
tak.cesnet.cz              40  15   42m     +0.195      0.225   -512us   280us
ntp.nic.cz                 63  33   66m     +0.117      0.143   -620us   368us
ntp.hr                     59  29   78m     +0.071      0.039  +7676us   125us
ntp.jh1.at                  7   4  138m     +0.032      0.125   -284us   142us
gemini.ta3.sk              63  32   84m     +0.080      0.042   -766us   149us
lyra.ta3.sk                10   6   840     +0.455      0.569   -470us    93us
bootes.ta3.sk               0   0     0     +0.000   2000.000     +0ns  4000ms
Reference ID    : 44434661 (DCFa)
Stratum         : 1
Ref time (UTC)  : Tue May 24 06:11:45 2022
System time     : 0.000350303 seconds fast of NTP time
Last offset     : +0.001002391 seconds
RMS offset      : 0.000338695 seconds
Frequency       : 19.942 ppm fast
Residual freq   : +4.600 ppm
Skew            : 2.506 ppm
Root delay      : 0.000000001 seconds
Root dispersion : 0.000939582 seconds
Update interval : 64.0 seconds
Leap status     : Normal
https://www.ntppool.org/scores/62.197.224.14
DCF77

DCF77 Receiver

ntp-refclock logs:

May 24 05:31:00 ntp ntp-refclock[699619]: PARSE receiver #0: conversion status "CONVERSION FAILED; ILLEGAL FORMAT"
May 24 05:31:00 ntp ntp-refclock[699619]: PARSE receiver #0: interval for following error message class is at least 00:01:00
May 24 05:31:00 ntp ntp-refclock[699619]: PARSE receiver #0: FAILED TIMECODE: "--#-##---#--#-#--DM-S1---12-P124---P--4--2-2-1-4---2---2--" (check receiver configuration / wiring)
May 24 05:32:00 ntp ntp-refclock[699619]: PARSE receiver #0: SYNCHRONIZED
May 24 05:38:00 ntp ntp-refclock[699619]: parse: convert_rawdcf: start bit / parity check FAILED for "----###-##-##----D--S---812-P124---P--4--2-2-1-4--12--12-8P"
May 24 05:38:00 ntp ntp-refclock[699619]: PARSE receiver #0: conversion status "CONVERSION FAILED; ILLEGAL FORMAT"
May 24 05:38:00 ntp ntp-refclock[699619]: PARSE receiver #0: interval for following error message class is at least 00:01:00
May 24 05:38:00 ntp ntp-refclock[699619]: PARSE receiver #0: FAILED TIMECODE: "----###-##-##----D--S---812-P124---P--4--2-2-1-4--12--12-8" (check receiver configuration / wiring)
May 24 05:39:00 ntp ntp-refclock[699619]: parse: convert_rawdcf: start bit / parity check FAILED for "-####-#########RADM-S1248124P124812P124812-241248112481248P"
May 24 05:40:00 ntp ntp-refclock[699619]: PARSE receiver #0: SYNCHRONIZED
May 24 05:52:00 ntp ntp-refclock[699619]: parse: convert_rawdcf: start bit / parity check FAILED for "-----------------D--S-2--1-4P1248--P--48-2-2-1-4---2---2--P"
May 24 05:52:00 ntp ntp-refclock[699619]: PARSE receiver #0: conversion status "CONVERSION FAILED; ILLEGAL FORMAT"
May 24 05:52:00 ntp ntp-refclock[699619]: PARSE receiver #0: interval for following error message class is at least 00:01:00
May 24 05:52:00 ntp ntp-refclock[699619]: PARSE receiver #0: FAILED TIMECODE: "-----------------D--S-2--1-4P1248--P--48-2-2-1-4---2---2--" (check receiver configuration / wiring)
May 24 05:53:00 ntp ntp-refclock[699619]: PARSE receiver #0: SYNCHRONIZED
May 24 05:57:00 ntp ntp-refclock[699619]: parse: convert_rawdcf: start bit / parity check FAILED for "###############RADMLS1248124P124812P1248-21241248112481248P"
May 24 05:57:00 ntp ntp-refclock[699619]: PARSE receiver #0: conversion status "CONVERSION FAILED; ILLEGAL FORMAT"
May 24 05:57:00 ntp ntp-refclock[699619]: PARSE receiver #0: interval for following error message class is at least 00:01:00
May 24 05:57:00 ntp ntp-refclock[699619]: PARSE receiver #0: FAILED TIMECODE: "###############RADMLS1248124P124812P1248-21241248112481248" (check receiver configuration / wiring)
May 24 05:58:00 ntp ntp-refclock[699619]: PARSE receiver #0: SYNCHRONIZED