HI The gotcha with anything local is the sidereal day repeat pattern The local stuff would have to be very solar oriented to be slipping at exactly that rate over a few months of data. My guess is that when *this combo* gets into *that position* and *this multi path* happens … you get a glitch. It’s not there for long, but it is there.
Credit where credit is due … some guy named Tom (who also drives around with 6 5071’s on a regular basis … handing them out to strangers) spotted the sidereal day time slip. I had been chasing it as if it was 24 hours and some weird local “train goes by an midnight” sort of thing. Bob > On May 24, 2016, at 7:15 PM, Hal Murray <hmur...@megapathdsl.net> wrote: > > > kb...@n1k.org said: >> The glitches are to narrow (short duration) and far to regular for the >> ionosphere to be the issue. > > Is multipath from a large airliner in a landing pattern likely to cause that > sort of problems? > > I'm 20+ miles off the end of SFO, but it's common to see large planes going > over and turning to line up for a landing. On my one-of-these-days list is > to grab the airline location data and see if it correlates with GPS glitches. > > -- > These are my opinions. I hate spam. > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
