[time-nuts] CSAC State of Play

[Tom Van Baak]

 > I think they did a paper on the issue

Yes. See:

"A Second Look at Chip Scale Atomic Clocks for Long Term Precision Timing"
http://www.obsip.org/documents/Gardner_IEEE_Oceans_2016.pdf

/tvb


On 1/12/2021 8:14 AM, Brent wrote:
> Woods Hole Oceanographic Institute was (and still is to the best of my
> knowledge) using CSAC's in their long deployment ocean bottom seismometers,
> and was seeing premature failures.
>
> I think they did a paper on the issue, but I'd have to dig for it...
>
> Brent
>
> On Mon, Jan 11, 2021 at 9:06 PM Nigel gm8pzr via time-nuts <
> time-nuts at lists.febo.com> wrote:
>
>> A few years ago SA45s CSAC modules were all the rage, and I was more than
>> happy to acquire a few
>> as fallout from a UK MOD project.
>>
>> It wasn't too long after though that reports were suggesting earlier
>> failures than expected, but I can't for the life of me remember why.
>> Something underwater does come to mind, a long term project that wasn't
>> perhaps as long term as expected, either way someting went pear shaped,
>> anyone have any idea of what it was and the current state of play?
>>
>> Nigel, GM8PZR
>>
>>
>>
>>
>>
>> _______________________________________________
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