[time-nuts] Lucent KS-24361 Ref1 burnin after 1.8 weeks

[paul swed]

Thanks I just like the idea that its leveling out instead of always
climbing.
Granted there are all these noisy spikes but I think thats just the way it
is and most likely not bad at all. Its very steady against the Z3801. By
that I mean on a scope at 5ns/div I might guess its 8 hours to move a
division. It does move but you can not see it. Only over great deals of
time. Then the question. Who is actually moving? The real challenge. Not
for me at least. Oh yes fire up the TBolt and have one more confusing
answer. Think I will skip that.
Regards
Paul.

On Sat, Nov 22, 2014 at 9:04 PM, Bob Camp <kb8tq at n1k.org> wrote:

> Hi
>
> Since the data comes out of the box in percent, the whole “counts” thing
> is a bit of a fiction. The conversion to counts or bits was done based on
> observations of earlier boxes. That conversion may or may not apply to the
> 3810/11/12’s. Right now, there’s no reason to think that it’s wrong for
> these boxes. I’d just be careful watching the data.
>
> Bob
>
> > On Nov 22, 2014, at 8:49 PM, paul swed <paulswedb at gmail.com> wrote:
> >
> > It is getting better today about 80-90 count positive.
> >
> > On Thu, Nov 20, 2014 at 7:08 PM, Bob Camp <kb8tq at n1k.org> wrote:
> >
> >> Hi
> >>
> >> I’ve posted a couple of phase plots of a few of the KS-24361 compared
> to a
> >> 5071A and to each other via a TimePod. Since phase is essentially time,
> >> it’s a good way to get an idea of what’s going on. Spot checks with a
> >> terminal program and SCPI appeared to show reasonable agreement between
> >> phase and what the status screen reported. I can probably come up with
> more
> >> data if the world has not gotten tired of looking at plots.
> >>
> >> I suspect that for long term data, there is some sort of “simple” SCPI
> >> that just gets the time error. The full status screen is not very good
> for
> >> that kind of use. It takes more than a second to compile inside the box.
> >>
> >> Bob
> >>
> >>> On Nov 20, 2014, at 7:00 PM, Anthony Roby <aroby at antamy.com> wrote:
> >>>
> >>> Bob - what data are you capturing / measuring? I was thinking of just
> >> writing a simple capture program from the unit and analyzing it in
> Excel.
> >> When you say the status screen correspons to the data you've measured,
> what
> >> is it that you are comparing?
> >>>
> >>> Anthony
> >>>
> >>> -----Original Message-----
> >>> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Bob
> >> Camp
> >>> Sent: Thursday, November 20, 2014 5:05 PM
> >>> To: Discussion of precise time and frequency measurement
> >>> Subject: Re: [time-nuts] Lucent KS-24361 Ref1 burnin after 1.8 weeks
> >>>
> >>> Hi
> >>>
> >>> Based on what I ??ve seen on multiple boxes, I believe that the graph
> >> you have been looking at for TI is messed up due to a software bug.
> >> Checking things with a terminal program, the status screen corresponds
> >> pretty well to the data I ??ve measured.
> >>>
> >>> Bob
> >>>
> >>>> On Nov 20, 2014, at 4:40 PM, paul swed <paulswedb at gmail.com> wrote:
> >>>>
> >>>> I have been snapping pix so can compare now.
> >>>> Getting better.
> >>>> Regards
> >>>> Paul
> >>>>
> >>>> On Thu, Nov 20, 2014 at 12:14 PM, Anthony Roby <aroby at antamy.com>
> >> wrote:
> >>>>
> >>>>> I'll fire up my lab PC and take a more recent screenshot of my data -
> >>>>> when I last looked the EFC was a straight line and PPS TI / s had
> >>>>> settled down but was still noisy.
> >>>>>
> >>>>> -----Original Message-----
> >>>>> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of
> paul
> >>>>> swed
> >>>>> Sent: Thursday, November 20, 2014 10:24 AM
> >>>>> To: Time-nuts
> >>>>> Subject: [time-nuts] Lucent KS-24361 Ref1 burnin after 1.8 weeks
> >>>>>
> >>>>> As suggested by Bob and others the REF1 new out of the box needs time
> >>>>> to burn in. At 1.8 weeks now I can see the EFC settling down towards
> >>>>> a straight line. To start I was about 800 counts per day rising.
> >>>>> Today 150 and rising. So it is slowly shifting towards what a z3801
> >>>>> as an example will do.
> >>>>> Also ultimately it will look like an example Antony sent me. Simply
> >> noisy.
> >>>>> The 3801 is fairly smooth.
> >>>>>
> >>>>> So I sense my earlier concern of a "Bad box" is wrong. Pretty happy
> >>>>> about that.
> >>>>> Regards
> >>>>> Paul
> >>>>> WB8TSL
> >>>>> _______________________________________________
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