[time-nuts] ✘NEO-M8N vs. NEO-M8T

Gary E. Miller gem at rellim.com
Mon May 21 15:21:20 EDT 2018


Gregory!

On Mon, 21 May 2018 19:06:17 +0000
Gregory Maxwell <greg at xiph.org> wrote:

> My best guess is that the magnitude of sawtooth error is just not
> large enough to matter for typical applications of linux PPS.

No need to guess.  I recently posted that the RasPi 3B granularity is
52 nano Seconds and the PPS offset reported by UBX-TP is double that!

So, clearly it matters.

I'll do more data logging to get harder numbers.

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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