[time-nuts] Raw phase data of super-5065
kb8tq at n1k.org
Thu Jun 14 09:06:23 EDT 2018
I’d say both have a “something” with a period of roughly 18 to 20 hours in their
> On Jun 14, 2018, at 4:54 AM, Attila Kinali <attila at kinali.ch> wrote:
> On Wed, 13 Jun 2018 08:19:58 -0700
> <cdelect at juno.com> wrote:
>> Would be interesting to see a long plot of the two 5065 against each
> I had a look at Luciano's data and it's probably safe to say, that
> the instability of the super-5065 would be the limit. The unmodified
> 5065 is incredibly stable (once you remove drift).
> Attached are the two phase plots, both with quadratic drift removed.
> The unmodified 5065A has a kind of weird ~18day undulation. I would
> say it's an environmental effect, but the two cycles are too similar,
> so I do not know what to think of it.
> The super-5065 (5065B) has quite a few bigger frequency jumps, with
> pretty stable phases in-between. My guess here would be that there
> are no environmental effects and it is limited by instabilities in
> the frequency discriminator electronics, ie offsets that show (close to)
> discrete jumps. or that the lamp brightness changes.
> Attila Kinali
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> <HP5065Anr2 vs Z3816A 30days.png><HP5065Bnr1 vs Z3816A 30days.png>_______________________________________________
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