[time-nuts] Re: Active hydrogen maser for sale(?)

Bob kb8tq kb8tq at n1k.org
Tue Dec 6 13:08:32 UTC 2022


Hi

Just as a side note, if somebody is insane enough to buy this and bring it into the US …. ( as I 
was planning to do with one of it’s cousins ….):

I happen to have a pair of replacement ion-pumps that *should* fit it somehow. They are rebuilds.
They should be 100% ok. I’ll toss them in for the cost of shipping. The gotcha is that they are
on some magic list of things you can’t export without 5.6 kilotons of paperwork. I’m not going to do 
that. Just too lazy I guess. 

Bob

> On Dec 5, 2022, at 11:16 AM, Ole Petter Ronningen via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> Hi, all
> 
> I took delivery of a new passive hydrogen maser a couple of weeks ago, and
> my wife is of the opinion that two masers is one maser too many. I am not
> sure I agree with that, but I thought I would at least check what
> possibilities there are.
> 
> So I am considering selling my active hydrogen maser, EFOS-3. It is located
> in Norway, and would require pickup (~200kg, roughly the size of a fridge).
> The ion-pumps are spent and need replacement.
> 
> I do not need to sell, but if there is anyone seriously interested in my
> general area, please get in touch.
> 
> Not sure what would be a fair price, I paid around 30k EUR all inclusive
> 5-6 years ago - so somewhere around half that might be a good starting
> point.
> 
> Br,
> Ole
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