[time-nuts] Timing Distribution in Mountainous Terrain
djl at montana.com
Fri Sep 10 00:23:48 UTC 2010
See TVB's site for an experiment with moving CS standards around...
> so you're talking about 5.8E-14, right?
> I'd think no off the shelf caesium, even when run in a temperature
> controlled environment, will get you there.
> Well, at a first glance, a 5071A with high performance tube would, if
> you keep any environmental effects out.
> So you'll likely need to sync them through a reliable and reproduceable
> Just a quick shot though.
> Ralph Smith schrieb:
>> We have a requirement for approximately ten radio sites to be
>> to within 30 ns of each other. Ordinarily you could throw in an
>> appropriate GPSDO and be done with it. However, we also have the
>> reqirement to be able to operate independent of GPS for up to six days.
>> we were able to have each site within line of sight of another, and
>> form a network including all sites, we could do differential time
>> measurement between the mutually visible sites and correct in that way.
>> Unfortunately, that is not the case. Absolute time accuracy is not
>> critical, but relative time accuracy is. Does anyone out there have any
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"Neither the voice of authority nor the weight of reason and argument are
as significant as experiment, for thence comes quiet to the mind."
Dr. Don Latham AJ7LL
Six Mile Systems LLP
17850 Six Mile Road
Huson, MT, 59846
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