On 01/18/2011 07:48 PM, Mark Spencer wrote:
The long term aging spec is interesting to me, as a cesium physics package is a
primary standard wouldn't there be an ultimate limit to the total long term
aging ? (I took a quick glance at the full data sheet and didn't see any
reference to this.)
T
Le 18/01/2011 20:59, Poul-Henning Kamp a écrit :
In message<4d35ef76.7020...@pacific.net>, Brooke Clarke writes:
The research that was announced some years ago was Cs atoms:
http://physicsworld.com/cws/article/news/20177
There is a technology pdf available on their site. It gives more d
In message <4d35ef76.7020...@pacific.net>, Brooke Clarke writes:
The research that was announced some years ago was Cs atoms:
http://physicsworld.com/cws/article/news/20177
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD com
: Discussion of precise time and frequency measurement
Sent: Tue, January 18, 2011 11:32:21 AM
Subject: Re: [time-nuts] Symmetricom Launches CSAC Product for Precise Timing
and Synchronization
Hi Mark:
I got the idea that it's a Rubidium clock.
Have Fun,
Brooke Clarke
http://www.PRC68.com
From: Brooke Clarke
To: Discussion of precise time and frequency measurement
Sent: Tue, January 18, 2011 11:32:21 AM
Subject: Re: [time-nuts] Symmetricom Launches CSAC Product for Precise Timing
and Synchronization
Hi Mark:
I got the idea that it's a Rubidium clock.
Have Fun,
Brooke C
(I took a quick glance at the full data sheet and didn't see any
reference to this.)
- Original Message
From: Julien Goodwin
To: Discussion of precise time and frequency measurement
Sent: Tue, January 18, 2011 8:04:20 AM
Subject: Re: [time-nuts] Symmetricom Launches CSAC Product for
Product for Precise Timing
and Synchronization
In message <848524.71272...@web38803.mail.mud.yahoo.com>, Mark Spencer writes:
Don't overlook the start-up time: 2 minutes, that's pretty darn good...
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org
In message <848524.71272...@web38803.mail.mud.yahoo.com>, Mark Spencer writes:
Don't overlook the start-up time: 2 minutes, that's pretty darn good...
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3
om: Julien Goodwin
To: Discussion of precise time and frequency measurement
Sent: Tue, January 18, 2011 8:04:20 AM
Subject: Re: [time-nuts] Symmetricom Launches CSAC Product for Precise Timing
and Synchronization
On 19/01/11 02:35, Pierpaolo Bernardi wrote:
> Though this could be of interest
ssion of precise time and frequency measurement
Subject: Re: [time-nuts] Symmetricom Launches CSAC Product for Precise
Timing and Synchronization
Wonder what the lifetime is?
Surely for time nuts they will have a special deal. Like $199 for today
only.
Well we might dream.
On Tue, Jan 18, 2011 at
On Tue, Jan 18, 2011 at 8:20 AM, Pierpaolo Bernardi wrote:
> On Tue, Jan 18, 2011 at 17:04, Julien Goodwin
> wrote:
>> On 19/01/11 02:35, Pierpaolo Bernardi wrote:
>>> Though this could be of interest...
>>>
>>> http://www.insidegnss.com/node/2446
>>
>> "The SA.45s reportedly provides ... short-t
Wonder what the lifetime is?
Surely for time nuts they will have a special deal. Like $199 for today
only.
Well we might dream.
On Tue, Jan 18, 2011 at 11:20 AM, Pierpaolo Bernardi wrote:
> On Tue, Jan 18, 2011 at 17:04, Julien Goodwin
> wrote:
> > On 19/01/11 02:35, Pierpaolo Bernardi wrote:
>
On Tue, Jan 18, 2011 at 17:04, Julien Goodwin
wrote:
> On 19/01/11 02:35, Pierpaolo Bernardi wrote:
>> Though this could be of interest...
>>
>> http://www.insidegnss.com/node/2446
>
> "The SA.45s reportedly provides ... short-term stability (Allan
> Deviation) of 2E-10 @ 1 sec, long-term aging of
On 19/01/11 02:35, Pierpaolo Bernardi wrote:
> Though this could be of interest...
>
> http://www.insidegnss.com/node/2446
"The SA.45s reportedly provides ... short-term stability (Allan
Deviation) of 2E-10 @ 1 sec, long-term aging of 3E-10/month"
From the data sheet of the bigger Rubidium micro
Though this could be of interest...
http://www.insidegnss.com/node/2446
Cheers
P.
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