Martin,
Thanks for your reply. The correlation coefficient is almost back at the
normal level. I will search some old logs to see if previous outages also
shows the same behaviour. It could be perfectly normal.
Hm, the description embedded in the graph says the *yellow* line shows the
*correlation* which is immediately coming back after the outage, as expected.
I am sorry, my mistake, I've created a new graph.
http://i.imgur.com/hv9gSvu.png
The blue line sould be the "field strength", which is indeed increasing very
slowly. I'm not sure how you have extracted the field strength from the M200,
but this is probably only some AGC control value which just needs to be
sufficient to yield proper correlation. There is no parameter available in
the LANTIME which reports the true DCF77 field strength.
The data is extracted via SNMP. According to the MIB:
mbgLtNgRefclockStatusA - pzf : correlation
mbgLtNgRefclockStatusB - all : field strength
Version: LANTIME V6.14.021
Best regards,
Ben
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