refclock 28 gone wacky on me
hmurray at megapathdsl.net
Fri Jun 10 08:06:43 UTC 2016
esr at thyrsus.com said:
>> Mail crossing in the night. The burst is starting one sentence before the
>> PPS not starting in the middle and overflowing into the following second.
> That's... very weird. I've never seen it happen.
> It sounds as though for some crazy reason the GPS is delivering the PPS
> pulse late. I'm hard put to imagine how gpsmon could screw this up.
The PPS pulse is right on. (I had a scope out.)
It's a Venus chip. There probably aren't many of them in use with gpsd+ntpd.
There is venus634lp in the test collection, but that only tests the parser,
not timing. And even if the test package did check timing, the data might
have come from a time when it was working.
These are my opinions. I hate spam.
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