[time-nuts] A first MDEV plot...

John Miles jmiles at pop.net
Tue Mar 16 13:44:40 UTC 2010



> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]On
> Behalf Of Bert, VE2ZAZ
> Sent: Tuesday, March 16, 2010 6:37 AM
> To: time-nuts at febo.com
> Subject: Re: [time-nuts] A first MDEV plot...
>
>
> OK, thanks Bruce.
>
> The sample size is actually 28800 seconds (8 hours). I presume
> the KE5FX tool plots only the portion of curve that has
> sufficient confidence level. In any case, I will launch a more
> lengthy test and see what I get down at the bottom.

In general you don't want to put much stock in the last 10% of an ADEV plot.
You can ramp up the bin threshold value (substantially) to cut off the tail
of the ADEV plot where things get less certain.

-- john, KE5FX





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