[time-nuts] recommendations for master reference

[paul swed]

OK will add my 10 cents. Half the fun is building your homebrew $1.98 ref
with NTP.
Simply toss it on a 2 or 3 ru rack panel. The servers these days are itty
bitty.
Now for serious class follow Jims guidance.
Regards
Paul


On Thu, Dec 12, 2013 at 10:07 AM, Jim Lux <jimlux at earthlink.net> wrote:

> On 12/12/13 6:31 AM, Brian Lloyd wrote:
>
>> I am currently using both Trimble Thunderbolt and LPRO-101 Rb references.
>> What I really would like to have is a rack-mountable unit that is a
>> GPS-disciplined Rb reference and a built-in NTP server. (Yes, this is for
>> my home. We are time-nuts, aren't we?) I could roll-my-own system for
>> disciplining the Rb from the 1pps of the Thunderbolt, and produce NTP
>> broadcasts on the LAN but, frankly, I am going to be happier if I find a
>> unit where someone has already done the heavy lifting AND done a better
>> job
>> with the filtering to reduce GPS-induced error in the Rb output.
>>
>> So, if you wanted a rack-mountable reference with multiple 10MHz outputs
>> that is a GPS disciplined Rb and an NTP server, what would you look for on
>> the used market?
>>
>
> TrueTime/Symmetricom made and still makes a whole line of just this sort
> of thing in a 1 U rack mount enclosure. Something like an XL-DC with the
> right plug in boards, for instance.
>
> The particular plug-in I've used in the past is the one with the quiet
> quartz oscillator with low phase noise (since I'm usually multiplying up to
> microwave frequencies), but they have plenty of other options.
>
> They also have NTP servers in the same box, IRIG, etc.
>
>
>
>
>
>
>> Oh, I suppose I would go for a Cs reference if I could find one at the
>> right price. I'm not picky. :-)
>>
>>
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