[time-nuts] Beginner's Atomic Clock

[Bob kb8tq]

Hi

You probably are not going to find the Nano’s on the used market. 
The last one I worked with was very much a pre-production unit and 
that was only a few years back. 

Indeed if you are simply looking for a lab clock, the miniature Rb’s may
not be the best choice. Their stability is generally not as good as that of their
bigger cousins. That applies to temperature as well as short term 
stability. Since you pay a premium for the smaller parts, the “bang for the
buck” really isn’t there in a home bench application. 

If indeed you are trying to build something to go in a drone or put into
space, they make a lot of sense. If you are carrying it on your back along
with all the batteries to power it, again a very reasonable thing to go with. 

Lots of fun !!!

> On Sep 17, 2019, at 7:18 AM, pisymbol . <pisymbol at gmail.com> wrote:
> 
> On Mon, Sep 16, 2019 at 11:00 PM Dana Whitlow <k8yumdoober at gmail.com> wrote:
> 
>> All of the available Rb standards that I've seen have a 10 MHz output,
>> Some have a
>> 1 PPS output as well.
>> original buyer could save a few bucks.  My PRS-10 is one of these.
>> 
>> 
> How does this compare with say a used Accubeat AR133/60 substance? I also
> see they have a Nano unit that looks awesome (but I have no idea what the
> price is and if they are ever sold used?).
> 
> -aps
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