[time-nuts] Expected 10 MHz offset from a GPSDO?

Bob kb8tq kb8tq at n1k.org
Sat Aug 20 12:35:00 UTC 2016


Hi

If your time base is doing < 5 ppb per year, that is an unusual 10811. I
suspect it does not spend a lot of time powered off. 

Bob

Sent from my iPad

> On Aug 19, 2016, at 10:10 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
> 
> 
> kb8tq at n1k.org said:
>> Ok let's toss some numbers into the mix.
>> The counter time base one day after calibration is in the 0.5 to 1.5 ppb
>> range.
> 
> I have two 5334Bs wih opt 010.  It's been many years since either was near a 
> calibration lab.
> 
> One is 30 ppb fast, the other is 75 ppb fast.  (I might have the sign 
> backwards.)
> 
> One swings roughly 0.15 ppb over 10F.
> 
> -- 
> These are my opinions.  I hate spam.
> 
> 
> 
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