[time-nuts] Time Dilation tinkering

[Scott McGrath]

Noted

However CSAC not subject to barometric effects as Rb units are

Content by Scott
Typos by Siri

> On Mar 21, 2017, at 4:18 PM, jimlux <jimlux at earthlink.net> wrote:
> 
>> On 3/21/17 12:51 PM, Scott McGrath wrote:
>> Or perhaps use the Symmetricom CSAC ...
>> 
>> Relatively expensive but might work
>> 
> 
> 
> The CSAC  is 8E-12 AVAR at 1000 seconds, comparable to a Rb.
> 
> 
> See also http://tycho.usno.navy.mil/ptti/2011papers/Paper27.pdf
> which shows a bit better performance (3E-12 @ 1000s), but the best performance appears to be at 10,000 seconds.
> 
> 
> but don't you need better?
> Attila wrote> You will need a stability 1e-14 @1d.
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