[time-nuts] Z3815A show 0ns Predicted uncertainty
lists at rtty.us
Fri Jun 28 09:09:28 EDT 2013
The holdover prediction is entirely dependent on the OCXO and how it's behaving. Your OCXO likely had a pair of events that caused the aging estimate to get very low.
On Jun 28, 2013, at 8:16 AM, Mark C. Stephens <marks at non-stop.com.au> wrote:
> I noticed my Z3815A was show 0ns (zero) for predicted uncertainty tonight.
> Is there something wrong or is its predicted holdover uncertainty below measureable (displayable) value?
> Is there a pForth command that would give me an accurate figure for PHU?
> My 5 other Z3805A smartclocks are all in the 100-800ns range as well so I am not sure what's going on up there.
> New birds?
> Kind Regards,
> Mark Stephens
> Mark Clemens Stephens | Customer service engineer | Non-Stop Computer Ltd
> * +61 2 9011 8186 | ( +61 428 256 334 | * marks at non-stop.com.au<mailto:marks at non-stop.com.au>
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