server ptbtime1.ptb.de
server ptbtime2.ptb.de
server ptbtime3.ptb.de

initstepslew 30 ptbtime1.ptb.de ptbtime2.ptb.de ptbtime3.ptb.de

refclock SHM 0 offset 0.5 delay 0.2 refid NMEA


logchange 0.5
local stratum 10
logdir /var/log/chrony

keyfile /etc/chrony/chrony.keys
commandkey 10

dumpdir /var/log/chrony
driftfile /var/log/chrony/chrony.drift

allow all