[time-nuts] Recommendations for Mains Power Monitor / Logger

[Tom Van Baak]

> In short, the GPS to UTC time correction polynomial got screwed up.

Yes, that was an exciting time!

----

For newcomers to the list, the bizarre GPS 13 microsecond jump was a hot topic on time-nuts back in 26-Jan-2016. The thread starts with an observation by Paul Boven:

    https://www.febo.com/pipermail/time-nuts/2016-January/095667.html

And includes detailed follow-up by Martin Burnicki:

    https://www.febo.com/pipermail/time-nuts/2016-January/095692.html
    https://www.febo.com/pipermail/time-nuts/2016-January/095756.html
    https://www.febo.com/pipermail/time-nuts/2016-January/095714.html
    https://www.febo.com/pipermail/time-nuts/2016-January/095753.html

If you have time, read the full "GPS jumps of -13.7 us?" thread from the archives:

    https://www.febo.com/pipermail/time-nuts/2016-January/subject.html#95667

And also the "GPS PRN 32" thread:

    https://www.febo.com/pipermail/time-nuts/2016-January/subject.html#95682

----

As far as monitoring mains phase -- a 13 microsecond step would be lost in the normal jitter and drift of power line timing. My 60 Hz logging was unaffected by the event because I use a cesium reference (not GPS or GPSDO).

/tvb