ntp.iwik.sk

Stratum 1 (synchonized using DCF-77) NTP server located in Bratislava, Slovakia
210 Number of sources = 12
MS Name/IP address         Stratum Poll Reach LastRx Last sample               
===============================================================================
#* DCFa                          0   4   377    19   -309us[ -361us] +/-  888us
#? GPS                           0   4     0     -     +0ns[   +0ns] +/-    0ns
^? hAPac2                        2   6   377     1   -909us[ -909us] +/-   71ms
^? ptbtime1.ptb.de               1   6   377    11   -496us[ -496us] +/-   11ms
^? ntp.telekom.sk                1   6   377    59  -1028us[-1131us] +/- 1603us
^? gemini.ta3.sk                 1   6   377    31  -1944us[-1993us] +/-   12ms
^? ntp.ufe.cz                    1   6   377    16  -1132us[-1184us] +/- 4186us
^? tik.cesnet.cz                 1   6   377    33   -476us[ -524us] +/- 4952us
^? tak.cesnet.cz                 1   6   377    31  -1351us[-1400us] +/- 5232us
^? ntp.nic.cz                    1   6   377    95  -1891us[-2010us] +/- 5776us
^? ntp.hr                        1   6   377    23   -279us[ -330us] +/-   10ms
^? ntp.jh1.at                    1   6   377    60  -2968us[-3072us] +/-   14ms
210 Number of sources = 12
Name/IP Address            NP  NR  Span  Frequency  Freq Skew  Offset  Std Dev
==============================================================================
DCFa                       64  36  1009     -0.034      1.705   -368ns  1051us
GPS                         0   0     0     +0.000   2000.000     +0ns  4000ms
hAPac2                     21  16   21m     -0.218      0.025   -890us    11us
ptbtime1.ptb.de            64  30   67m     +0.194      0.360   -564us  1040us
ntp.telekom.sk             46  24   74m     +0.112      0.023   -486us    60us
gemini.ta3.sk              64  37   77m     +0.098      0.044  -1022us   143us
ntp.ufe.cz                 64  36   70m     +0.073      0.113   -481us   320us
tik.cesnet.cz              64  37   71m     +0.132      0.106   -268us   306us
tak.cesnet.cz              52  29   58m     +0.161      0.145   -336us   301us
ntp.nic.cz                 37  19   55m     +0.105      0.055   -954us    93us
ntp.hr                     59  30   71m     +0.046      0.320  -1497us   902us
ntp.jh1.at                 64  29   72m     +0.101      0.074  -2657us   211us
Reference ID    : 44434661 (DCFa)
Stratum         : 1
Ref time (UTC)  : Sun Nov 28 20:51:33 2021
System time     : 0.000085294 seconds slow of NTP time
Last offset     : -0.000052935 seconds
RMS offset      : 0.000085292 seconds
Frequency       : 6.783 ppm fast
Residual freq   : -0.034 ppm
Skew            : 1.771 ppm
Root delay      : 0.000000001 seconds
Root dispersion : 0.001210256 seconds
Update interval : 16.0 seconds
Leap status     : Normal
https://www.ntppool.org/scores/62.197.224.14
DCF77

DCF77 Receiver

ntp-refclock logs:

Nov 28 20:24:00 ntp ntp-refclock[1014]: parse: convert_rawdcf: start bit / parity check FAILED for "-#-----#-##-##----M-S--4--2-P-----2P---8-21241---11----2--P"
Nov 28 20:24:00 ntp ntp-refclock[1014]: PARSE receiver #0: conversion status "CONVERSION FAILED; ILLEGAL FORMAT"
Nov 28 20:24:00 ntp ntp-refclock[1014]: PARSE receiver #0: interval for following error message class is at least 00:01:00
Nov 28 20:24:00 ntp ntp-refclock[1014]: PARSE receiver #0: FAILED TIMECODE: "-#-----#-##-##----M-S--4--2-P-----2P---8-21241---11----2--" (check receiver configuration / wiring)
Nov 28 20:25:00 ntp ntp-refclock[1014]: PARSE receiver #0: SYNCHRONIZED
Nov 28 21:08:00 ntp ntp-refclock[1014]: parse: convert_rawdcf: start bit / parity check FAILED for "-#---##-#####-----M-S---8---P1----2p---8-212412--11----2--P"
Nov 28 21:08:00 ntp ntp-refclock[1014]: PARSE receiver #0: conversion status "CONVERSION FAILED; ILLEGAL FORMAT"
Nov 28 21:08:00 ntp ntp-refclock[1014]: PARSE receiver #0: interval for following error message class is at least 00:01:00
Nov 28 21:08:00 ntp ntp-refclock[1014]: PARSE receiver #0: FAILED TIMECODE: "-#---##-#####-----M-S---8---P1----2p---8-212412--11----2--" (check receiver configuration / wiring)
Nov 28 21:09:00 ntp ntp-refclock[1014]: PARSE receiver #0: SYNCHRONIZED
Nov 28 21:18:00 ntp ntp-refclock[1014]: parse: convert_rawdcf: start bit / parity check FAILED for "--##--#------##---M-S---81-4p1----2p---8-21241---11----2--P"
Nov 28 21:18:00 ntp ntp-refclock[1014]: PARSE receiver #0: conversion status "CONVERSION FAILED; ILLEGAL FORMAT"
Nov 28 21:18:00 ntp ntp-refclock[1014]: PARSE receiver #0: interval for following error message class is at least 00:01:00
Nov 28 21:18:00 ntp ntp-refclock[1014]: PARSE receiver #0: FAILED TIMECODE: "--##--#------##---M-S---81-4p1----2p---8-21241---11----2--" (check receiver configuration / wiring)
Nov 28 21:19:00 ntp ntp-refclock[1014]: PARSE receiver #0: SYNCHRONIZED
Nov 28 21:28:00 ntp ntp-refclock[1014]: parse: convert_rawdcf: start bit / parity check FAILED for "--###--#-#-#--#---M-S---8-2-p12---2p---8-21241---11----2--P"
Nov 28 21:28:00 ntp ntp-refclock[1014]: PARSE receiver #0: conversion status "CONVERSION FAILED; ILLEGAL FORMAT"
Nov 28 21:28:00 ntp ntp-refclock[1014]: PARSE receiver #0: interval for following error message class is at least 00:01:00
Nov 28 21:28:00 ntp ntp-refclock[1014]: PARSE receiver #0: FAILED TIMECODE: "--###--#-#-#--#---M-S---8-2-p12---2p---8-21241---11----2--" (check receiver configuration / wiring)
Nov 28 21:29:00 ntp ntp-refclock[1014]: PARSE receiver #0: SYNCHRONIZED