[time-nuts] ADEV query Timelab and TICC

[DaveH]

USB is not tied to anything specific so that could well be the case.

Another interest of mine is CNC machining (mill conversion and looking at a
Chinese laser) using MACH3 software. People have tried everything to get the
motors to run from a USB connection as machines with parallel ports are
getting rare. No success at all. A couple of companies are using an Ethernet
connection from the host computer to their own CPU board
(https://www.poscope.com/) - this works great. USB no.

Dave

> -----Original Message-----
> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf 
> Of Tom McDermott
> Sent: Sunday, March 19, 2017 15:00
> To: Discussion of precise time and frequency measurement
> Cc: GandalfG8 at aol.com
> Subject: Re: [time-nuts] ADEV query Timelab and TICC
> 
> I had this happen this morning. (Running Windows 10). Had 7 
> hours of good
> data
> running overnight, (good ADEV, Freq Diff plots).
> 
> Then There was a big pop' in the frequency difference trace. 
> ADEV messed up
> suddenly.
> 
> It happened coincident with starting up Microsoft Edge (which 
> had not been
> run
> since the start of the data run).  My guess is that perhaps 
> Windows got too
> busy
> and USB samples were dropped.
> 
> -- Tom, N5EG
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