[time-nuts] SA22.c and Lady Heather

Dave Mallery dave.mallery at gmail.com
Fri Sep 1 19:15:23 EDT 2017


hi

two pix that put to rest whether or not the dev board is really that:

also, i was wondering just what kind of lash-up they did at rdr to get the
test printout from LH.. clearly there is a nortel producing a pps that is
regularlly used with :LH.

back to work on the machining specs

dave

On Wed, Aug 30, 2017 at 12:40 PM, Dave Mallery <dave.mallery at gmail.com>
wrote:

> hi
>
> i was prepping for some machine shop work on a heatsink for the SA22.c.
>
> there seems to be an error in the designers reference and user manual on
> page 22.
>
> the bottom view drawing at the far low right shows a measurement of the
> distance between the edge of the board and the hole just below and to the
> right of the SAMETC connector... it shows a distance of 15.95mm.  my
> measure is about 25mm...that's measured on the development board.
>
> YMMV
>
> thanks
>
> dave
>
> On Sun, Aug 27, 2017 at 7:57 AM, Dave Mallery <dave.mallery at gmail.com>
> wrote:
>
>> hi mark et al...
>>
>> i was lucky enough to bet that that card was an sa22.c development board
>> and got one.
>>
>> ordered the sa22 and please point me at the code as it develops.
>>
>> thanks!
>>
>> dave
>>
>> On Fri, Aug 25, 2017 at 6:09 PM, Mark Sims <holrum at hotmail.com> wrote:
>>
>>> I got in a SA22.c rubidium from RDR electronics and one of those
>>> interface boards that appeared briefly on Ebay last week (he had 6 for $7
>>> each and they went fast... there is another seller that has one for $80).
>>>  The X72 code that I added to Lady Heather works with the SA22.   I'm still
>>> working on improving the software disciplining algorithm.
>>>
>>> If you bought one of those adapter cards note that you will need a F-F
>>> adapter to use them with a standard serial cable.  Since the adapter has a
>>> male connector,  I thought it needed a null modem cable... nope... just
>>> more Symmetricom ridiculousness at work...
>>> _______________________________________________
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>>
>>
>>
>> --
>> Dave Mallery, K5EN                 (ubuntu linux 16-10)
>> PO Box 15                              Ophir,  OR  97464
>>
>>       linux counter #64628 (since 1997)
>>
>>
>>
>>
>
>
> --
> Dave Mallery, K5EN                 (ubuntu linux 16-10)
> PO Box 15                              Ophir,  OR  97464
>
>       linux counter #64628 (since 1997)
>
>
>
>


-- 
Dave Mallery, K5EN                 (ubuntu linux 16-10)
PO Box 15                              Ophir,  OR  97464

      linux counter #64628 (since 1997)
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