[time-nuts] Neutrinos not so fast? (defectove connector)

brent evers brent.evers at gmail.com
Thu Feb 23 04:05:15 UTC 2012


Why would this (60ns error, and connector issue) have not shown up in
the time transfers and validations done by the labs cited?

Brent

On Wed, Feb 22, 2012 at 11:03 PM, Jim Lux <jimlux at earthlink.net> wrote:
> On 2/22/12 2:26 PM, Poul-Henning Kamp wrote:
>>
>> In message<9A458DBA-3875-43B2-8383-5CA2F86BE8E2 at leapsecond.com>, "Tom Van
>> Baak
>>  (lab)" writes:
>>
>>> Could be on the electrical side of the adapter, not the optical
>>> side. It's not impossible to get 60 ns of phase or trigger error
>>> with RF connectors.
>>
>>
>> I don't buy that explanation.
>>
>> It's very hard to get 60 ns *consistent* phase or trigger error,
>> with any kind of connector, almost no matter how you go about it.
>>
>
> A 10 meter cable with a good reflection/air gap where it should be flush
> butt joint?
>
>
>> 20m of extra fiber sounds *much* more plausible.
>
>
> Oops, I thought it was cable number A321241Z, not cable number A321242Z.
>
>
>>
>> Inventing an excuse about a loose connector to cover up the mistake
>> sounds even more plausible.
>>
>> You really don't want to defend your phd dissertation, being known
>> as the idiot who made a fool of both CERN and SanGrasso in one go.
>
>
> Lends new meaning to the term "defense", I should think.
>
>
>
>>
>
>
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