NTPsec leap second experience

[Mark Atwood]

Thank you Achim

On Wed, Jan 4, 2017 at 11:53 AM Achim Gratz <Stromeko at nexgo.de> wrote:

>
> I've kept to rasPi running through the leap second.
>
> The first was following the PTB servers as a stratum2 and monitoring
> both a DCF77 and a GPS (via USB).  This one correctly announced the leap
> second and kept the time.
>
> The second one was configured as a stratum1 (via GPS w/ PPS) and
> monitoring the PTB servers for reference.  Since apparently Jessie has
> not been updated with the correct leap second file (it still doesn't
> recognize the leap second as a valid datum), the GPS got marked as a
> falseticker when the leapsecond arrived and the NTP loop opened.  I've
> arrived back home almost two days later to restart NTP.  I keep that
> system at a temperature that has close to zero TC (I'm not regulating
> the temperature yet, but it seems that should be possible) and during my
> absence the room temperature was also quite stable.  Accordingly the
> clock had only drifted a little bit less than 1ms (I recorded all PPS
> time stamps).  It probably would have drifted even less if there hadn't
> been a GPS burp shortly before the leap second and the loop hadn't
> stabilised to the correct offset again.
>
>
>
> Regards,
> Achim.
> --
> +<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+
>
> SD adaptations for Waldorf Q V3.00R3 and Q+ V3.54R2:
> http://Synth.Stromeko.net/Downloads.html#WaldorfSDada
>
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