[EMAIL PROTECTED] 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. _______________________________________________ questions mailing list [email protected] https://lists.ntp.isc.org/mailman/listinfo/questions
