[time-nuts] GPS to H-Maser comparison

Jim Palfreyman jim77742 at gmail.com
Sat Oct 5 22:20:02 UTC 2013


Well it cannot be local. These sites span Australia. The masers are
different brands too.

The massive CME seems to be the culprit:

Breaking the quiet in spectacular fashion, a magnetic filament erupted from
the sun's northern hemisphere at approximately 2145 UT on Sept. 29th.
NASA's Solar Dynamics Observatory recorded the blast.

<applewebdata://91B0A590-C320-4B10-B39D-1D6B397C2F2D/images2013/30sep13/ipad/magnificent.m4v>

The explosion hurled a magnificent
CME<applewebdata://91B0A590-C320-4B10-B39D-1D6B397C2F2D/images2013/30sep13/cme.jpg>
into
space. The magnetized cloud, which left the sun traveling approximately 900
km/s, was not aimed toward Earth. Nevertheless, out planet's magnetosphere
might receive a glancing blow on Oct. 2-3. Polar geomagnetic storms and
auroras are possible when the CME arrives. Stay tuned for updates.

On Sunday, 6 October 2013, mc235960 wrote:

>
> Le 5 oct. 2013 à 18:15, Magnus Danielson a écrit :
>
> > On 10/03/2013 01:33 PM, Jim Palfreyman wrote:
> >> Noticed an above average bump in our H-Maser vs GPS graphs - from sites
> all
> >> over Australia.
> >>
> >> Recent coronal mass ejection or US government shutdown not updating GPS?
> > Considering that GPS Operational Advisery messages have been sent out as
> > regular, and the critical level of the system, it's hardly likely. You
> > will have to look elsewhere. Local issues are more likely.
>
>   I doubt this as at least two of the sites showing the anomaly are around
> 3000km distant. I was wondering whether it might be due to grid issues, but
> the western australian grid has no connection to that covering the eastern
> states. I suppose it could be an admin foulup if the GPS receivers are all
> web administered.
>
> >
> > Cheers,
> > Magnus
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