[time-nuts] hm H Maser

Bob Camp kb8tq at n1k.org
Mon Jan 9 07:59:24 EST 2017


Ok here are some rough numbers:

> On Jan 9, 2017, at 4:35 AM, Dr. David Kirkby (Kirkby Microwave Ltd) <drkirkby at kirkbymicrowave.co.uk> wrote:
> On 8 Jan 2017 17:34, "Bob Camp" <kb8tq at n1k.org> wrote:
>> You are talking about a project that will take many years and likely
>> more money than the price of a new home. If that is “fun money”, then
>> fine. For most people that sort of commitment is a bit outside the range
>> of do it for fun.
> It would be interesting to see your breakdown of the costs and man hours
> for an H2 maser. I suspect that others would find cheaper/faster solutions.

$100M for the H2

$25M for the Rb

>> Even as a “fun project”, I question the bang for the buck. If cost and
> time
>> are no object, why not do an optical ion standard or a Cesium fountain?
>> I would suggest that both are more cool than than a maser and likely
>> have a lot more fun aspects to them. You then would have something
>> truly unique and not simply a more expensive / poorer performing example
>> of something you could have bought.
> You raise an interesting point.
> I suspect that if a serious attempt was made at a caesium fountain by a
> *group* of people, they might end up with donated parts from places like
> NIST, NPL etc.
> Commercial sponsorship  could conceivability be an option to funding such a
> project, as could wealthy individuals like Richard Branson or James Dyson,
> both of whom are interested in technically challenging projects.
> $100 would not go far, but I personally would be willing to donate $100
> towards the cost of such a project, just to feel part of it.

$500M for the fountain. 

To get sponsorship for anything remotely close to those numbers, you 
need to have some massively good credentials. 


>> Bob
> Dave
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