On 6/20/2011 11:35 PM, Matt Zilmer wrote:
> I'm using the Trimble Thunderbolt here, with good results. I ordered
> two units from one of the eBay vendors. These shipped from within the
> US and were less than $80 each.
What are the stability and accuracy of these devices in parts
per billion (10^12)? For 80 bucks you're not going to get a
rubidium or cesium standard, and zero-beating WWV will only
give you 1 part in 10^7 for a one-second measurement.
(Pardon my cynicism - my former network frequency standard
needed something like 1 part in 10^12 to do the job right.)
-- 73 de K2ASP - Phil Kane
Elecraft K2/100 s/n 5402
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