TAI zone?
James.Barrett at fluor.com
James.Barrett at fluor.com
Fri Jul 1 17:40:59 UTC 2011
Please remove me from the mailing list. Too much email concerning this
issue. I would suggest meeting in a common virtual space and having a
live discussion, rather then "replying all" when continuing to have this
conversation.
Thank You,
Terrence Barrett
From: David Magda <dmagda at ee.ryerson.ca>
To: <tz at lecserver.nci.nih.gov>
Cc: Paul Koning <paul_koning at Dell.com>, Guy Harris <guy at alum.mit.edu>
Date: 07/01/2011 01:29 PM
Subject: Re: TAI zone?
On Jul 1, 2011, at 13:21, Paul Koning wrote:
>
> On Jul 1, 2011, at 1:16 PM, Guy Harris wrote:
>
>> If you care *that* much, you need something fancier, e.g. an atomic
clock. :-) I seem to remember some news article in the past year or so
indicating that there might be some new type of atomic clock coming out
that would be less expensive, but I can't seem to find it with some simple
Googling.
>
> There was a new clock that's particularly compact (an inch or so max
dimension). It wasn't clear just how it works, but it sounded like it's
comparable in stability to a rubidium clock.
>
> In the meantime, I think the cheapest atomic time source is a GPS box.
Probably related to this:
> Now an atomic clock-on-a-chip is available that is the result of 10
years of government-funded research and development. The chip is not cheap
— $1,500 — but it costs less than conventional atomic clocks and the price
is sure to go down as manufacturing gears up to meet demand from military
applications.
http://science.slashdot.org/story/11/05/11/1745213/
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