[time-nuts] ✘NEO-M8N vs. NEO-M8T

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


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.

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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