Removing the worst cruft

Gary E. Miller gem at
Sun Jul 24 06:29:12 UTC 2016

Yo Eric!

On Sun, 24 Jul 2016 00:26:50 -0400
"Eric S. Raymond" <esr at> wrote:

> Gary E. Miller <gem at>:
> > On Sat, 23 Jul 2016 23:10:45 -0400
> > "Eric S. Raymond" <esr at> wrote:
> >   
> > > And, asnyway, I don't think you're describing a requirement for
> > > NTP to *take in* IRIG as a primary clock source, either. Why do
> > > that?  If the IRIG sync box has any kind of digital output, even
> > > something as simple as a one-wire 1PPS export, you run any NTP
> > > you want to be downstream of the master sync clock from that
> > > rather than the IRIG.  
> > 
> > I don't know why, or if their are better ways, I'm just saying
> > people do.  Anyone in broadcast or film media has IRIG servers they
> > use, and they want time from them.  Far more commonly than I
> > imagined until recently.  Several commercial NTP products do it, we
> > wantt them to convert from NP Classic to NTPsec.  
> Yes.  But there's still the issue that the IRIG driver I removed was
> designed to handle analog input via an obsolete class of sound card.

Yeah, a driver that does that should be shot.  Just don't count out 
IRIG as a source.

> 500us
> resolution wouldn't be good enough for what they want. 

Certainly good enough for 120 frames per second.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
	gem at  Tel:+1 541 382 8588
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