[ntp:questions] PARSE refclock for DCF77

Rob nomail at example.com
Fri Mar 13 17:22:11 UTC 2009

Matthias Fuchs <matthias.fuchs at esd-electronics.com> wrote:
> Rob wrote:
>> Paul.Croome at softwareag.com <Paul.Croome at softwareag.com> wrote:
>>> The refclock driver is doing a good job of checking the validity of
>>> each DCF77 'telegram'.
>>> If a telegram is invalid, NTP freewheels until reception improves.
>> But that surely has not been the case in all versions.  Bad things have
>> happened if trash was received.
>> So it all depends on the actual version of ntpd in use.
> I expect that you do not really know any more details, right?
> I am doing my tests with ntpd 4.2.2p4. Do I expect to much from you
> when I ask if this is a "bad" version when using the parse refclock in
> mode 5 for a simple dcf77 receiver?

No I don't have a table of ntp versions and their performance...
I would advise to first update the ntpd and then check again.

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