Thanks Graham,
That explains a lot. I had never experienced blips that were this large before.
Bob
From: Graham <[email protected]>
To: [email protected]
Sent: Sunday, January 8, 2017 4:17 PM
Subject: Re: [time-nuts] Something odd - ionosphere?
*SOLAR WIND SURROUNDS EARTH:*For the fifth day in a row, Earth is
surrounded by a fast-moving stream of solar wind flowing froma large
hole
<http://spaceweather.com/images2017/03jan17/ch_strip.png?PHPSESSID=qldvtt9u8qamt2b19ncupb86p2>in
the sun's atmosphere. NOAA forecasters say there is a 40% chance of
G1-class geomagnetic storms on Jan. 8th asbright auroras
<http://spaceweathergallery.com/aurora_gallery.htm>flicker around the
Arctic Circle.
http://spaceweather.com/ for further details
cheers, Graham ve3gtc
On 2017-01-08 20:48, Bob Stewart wrote:
> This morning at about 0400 CST and again at more or less 0800CST, I noticed a
> number of large phase excursions on one of the GPSDOs I'm testing. It also
> happened the day before but I didn't notice the time. I am comparing the
> 1PPS from two separate units on a 5370. On the one unit I was logging, there
> were 2 or three phase excursions of up to +/- 28ns or so at these times. And
> yet, the 5370 showed nothing out of the ordinary on the plot of the phase
> difference between the two units. So that tells me that it happened to both
> GPSDOs.
>
> Did anyone else see anything odd in whatever units you're logging at around
> this timeframe? Was this likely caused by an ionospheric shift?
>
> Unfortunately, I didn't save the data for any of that, as I was only logging
> one of the units. Now I'm logging both units in question, as well as the
> Timelab data, and of course it probably won't happen again.
> Bob
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