Yo Mike! On Sun, 19 Jun 2016 17:46:48 -0400 Mike <bellyac...@gmail.com> wrote:
> > What do your other chimers in 'ntpq -p show'? Youu still have not > > confirmmed which PPS edge you are on. The leading or trailing. > I'll likely put an arrow through this module before I'm able to get a > scope hooked up too it! So leading or trailing is a coin toss at > this point. Which is why I asked what your other chimers say. If you have a chimer without 30 milliSec of you that is usuually good enough to check your edge. > At that point > NMEA deliver was really late, as in > .940 that I was seeing > earlier. To disabiguate 'late' I assume you mean the NMEA timestamp fractional seconds is for later in tthe second, not zero. > I wasn't real pleased and figured I'd have to reset the > setting to get the NMEA delivery back to top of second. Left is > alone for several hours, come back and gpsmon shows that I was back > to getting delivery close to the top of second again. Yes, that is expected. You need to tetll the Skytrazzq to force the top of the second, and save to flash. > At that point PPS looks good, NMEA is way out, where before I had > powered the module down is was looking pretty good. I'm not sure what you mean by 'way out'. > I'll probably > have to pull that info from the statistics if it's really relevant. I > get that I can fudge out the difference shown above. One shouldn't > have to do that every time something is powered off though. You should be within +/- 150 milliSec if you start with the right fudge. The NMEA not being at the top of the second should not affect that at all. > I believe that the ntpshmmon output was showing that PPS is picking > up the first seen and NMEA is picking up the second. Your ntpshmmon it misleading you. It is corrypted by a bug, that is now fixed. Rerun with the ntpshmmon which is now in git hear. RGDS GARY --------------------------------------------------------------------------- Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703 g...@rellim.com Tel:+1 541 382 8588
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