[ntp:questions] Re: ref clock for network POP locations

[Arthur.Porkchop at exemail.com.au]

Paul.Croome at softwareag.com wrote:
> I believe rubidium is cheaper than caesium.
>

You'll want to look carefully at the specs before buying a rubidium.
I've used a number of USD2000 rubidiums - these typically age at
1 part in 10^12 per day so you would very quickly accumulate a
significant
phase error with one of these.

Cheers
Michael.