[time-nuts] ✘NEO-M8N vs. NEO-M8T

Gary E. Miller gem at rellim.com
Mon May 21 18:08:30 UTC 2018


Yo Bob!

On Mon, 21 May 2018 14:00:41 -0400
Bob kb8tq <kb8tq at n1k.org> wrote:

> >> Ok, are you trying to hold close to UTC or simply have a second
> >> that is as close to 1 second as possible?  
> > 
> > Yes.  One follows the other.  
> 
> Not really, you can have a source of seconds that are all within 0.1
> ns of the right length but are offset from UTC by 200 ns. ( stable
> but not accurate)
> 
> You can have a series of seconds that are all within 10 ns of UTC,
> but one may be 20 ns to short and the next is 20 ns to long.
> ( accurate but not stable )
> 
> So, which of the two is more important?

UTC is most important (to me), but if one has perfect UTC, then one also
has perfect seconds.

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

	    Veritas liberabit vos. -- Quid est veritas?
    "If you can’t measure it, you can’t improve it." - Lord Kelvin
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