[time-nuts] 5680A update

[EWKehren at aol.com]

There is already to much clutter on the list if you want more info contact  
me off list.
Bert Kehren
 
 
In a message dated 1/17/2012 11:42:23 A.M. Eastern Standard Time,  
n4ua.va at gmail.com writes:

OK, I  remember the fan controller discussion; don't know why I didn't find
it  just now when I was searching this topic. Thank you very much,  Bert.

geo

On Tue, Jan 17, 2012 at 11:38 AM,  <EWKehren at aol.com> wrote:

> I am using a fan that holds it  within .1 C Its been month since I 
measured
> it but I did report it  here and I think it is 42.7C.
> Bert Kehren
>
>
> In a  message dated 1/17/2012 11:30:07 A.M. Eastern Standard Time,
>  n4ua.va at gmail.com writes:
>
> Bert,
>
> Since you have  been running your unit for a long time,  what temperature
>  are
> you holding your 5680 to? I suppose more to the point,  I  attached my 
unit
> to a 1/2" think aluminum plate slightly larger than  the  5680 footprint,
> and
> that in turn is attached to a  painted surface of a  cabinet (no effort to
> achieve max temp  transfer there). The top (hidden  mounting screw) of my
> unit  stabilizes at 140 F. It locks up just fine, but  sometimes, after
>  several hours, it will unlock and fail to re-lock. I was  wondering if  I
> need to drop the temperature.
>
> geo
>
> On  Tue, Jan  17, 2012 at 11:13 AM, <EWKehren at aol.com>  wrote:
>
> > After eight  weeks of monitoring to 1 E-12, I  still se no aging. 
Waiting
> for
> >   a change so I  can do other tests. One thing I clearly se is a 4 Hz
> filter
>  > response changing the output by +- 3 E-11. It may be more, will   have 
to
> > find a  way to check it more accurately, because  of  limited response
> time.
> > I
> > for  one  will fix that problem  with a Morion MV 89 and a 100 Hz  
analog
> > filter.
> > New   Morion's are  available for less than $ 30 the ones I bought seem
> new.
>  >  That's  also where I got my 5680A
> > Have no contact  with the  seller.
> > Bert Kehren
> >   _______________________________________________
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