[time-nuts] timelab

Ron Ward n6idlron at comcast.net
Thu Jul 5 05:12:09 UTC 2012


Hi:
I am also new and would like information about ADEV, MDEV, HDEV, TDEV,
Phase and Frequency Difference.
Thanks,
Ron

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of John Miles
Sent: Wednesday, July 04, 2012 9:18 PM
To: 'Discussion of precise time and frequency measurement'
Subject: Re: [time-nuts] timelab

Hi, Don --

You can view all of the measurement types (ADEV, MDEV, HDEV, TDEV, phase
difference, frequency difference) regardless of whether you are
acquiring TI
or frequency data from the 5370.  The performance floor will be somewhat
better in TI mode, and long-term frequency chart readings will be more
accurate, but that's it.  

It can be tricky to get reliable operation out of the GPIB-Ethernet
adapter
unless you use a relatively low data rate from the 5370.  If data comes
in
too fast, the adapter can lock up until the next power cycle.  And/or it
will be necessary to power-cycle the counter, as you noticed.  

-- john, KE5FX
www.miles.io

> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com]
On
> Behalf Of Don Latham
> Sent: Wednesday, July 04, 2012 4:32 PM
> To: time nuts
> Subject: Re: [time-nuts] timelab
> 
> Got it going---doesn't take adev data in frequency mode but time
> interval working fine.
> Don
> 
> 
> 
> --
> "Neither the voice of authority nor the weight of reason and argument
> are as significant as experiment, for thence comes quiet to the mind."
> R. Bacon
> "If you don't know what it is, don't poke it."
> Ghost in the Shell
> 
> 
> Dr. Don Latham AJ7LL
> Six Mile Systems LLP
> 17850 Six Mile Road
> POB 134
> Huson, MT, 59846
> VOX 406-626-4304
> www.lightningforensics.com
> www.sixmilesystems.com
> 
> 
> 
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