[time-nuts] GPSDO Alternatives

Volker Esper ailer2 at t-online.de
Wed Dec 5 21:24:43 UTC 2012

Am 05.12.2012 18:31, schrieb Bob Camp:
> Hi
> If the intent is to come up with something in the same league as the TBolt
> there are a few other things you will need:
> 1) Something to compare the two pps signals to within 0.1 ns....

Following Ulrich Bangerts suggestions, that a loop time constant should 
be at about 3 hours (GPS disciplining an OCXO), do I really need that 
resolution? Ok, the more accurate, the better. But the question is: can 
I reduce this requirement when using long time constants (10000s)? The 
ratio then is 10E14...


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