[time-nuts] Loran Europe Lessay seems to be back on air?

paul swed paulswedb at gmail.com
Mon Jan 4 20:37:01 EST 2016


But speculations half the fun.
Interesting chart.
Regards
Paul
WB8TSL

On Mon, Jan 4, 2016 at 7:03 PM, Pieter-Tjerk de Boer <ptdeboer at cs.utwente.nl
> wrote:

>
> On http://websdr.ewi.utwente.nl:8901/fullday/ , one can see that the extra
> LORAN signal has been on the air roughly from 16:26 till 17:30 UTC: the
> waterfall clearly shows that the total received power around 100 kHz was
> higher during that time.
>
> One also sees that just _before_ the start of the "extra" signal, the total
> power was _lower_ than the "usual" value, implying that Anthorn (which is
> now the strongest signal here) was off-air; it seems to have been on the
> air only intermittently between 15:00 and 16:26 UTC.
>
> So whatever it was that happened this afternoon, it wasn't just the switch
> on of Lessay (if at all), something was (also) going on at Anthorn...
> That might be a hint that the extra signal also came from Anthorn, e.g.
> a dual-rate test. But this is of course just speculation.
>
> Regards,
>   Pieter-Tjerk, PA3FWM
>
>
>
> On Mon, Jan 04, 2016 at 02:19:29PM -0500, paul swed wrote:
> > I somewhat may guess its Anthorn.
> > My 2 cents from across the ocean.
> >
> > The Brits are pretty good about shutting things down. The fact that
> Anthorn
> > stayed operational was pretty odd even if you thought the new years
> parties
> > got in the way. Lets face it drink beer with friends or shut a
> transmitter
> > in some far away place. I know my choice.
> >
> > They can easily dual rate Anthorn. But then the signal level should be
> > equal.
> > On eLORAN tests in the US its a Master and the Y station. But its one
> > transmitter. The same transmitter has no problem with some other rate
> > running at the same time.
> >
> > Regards
> > Paul
> > WB8TSL
> >
> >
> > On Mon, Jan 4, 2016 at 1:19 PM, Poul-Henning Kamp <phk at phk.freebsd.dk>
> > wrote:
> >
> > > --------
> > > In message <576b98.2a1f5672.43bc052e at aol.com>, GandalfG8--- via
> time-nuts
> > > writes:
> > >
> > > >As of 1725, 4th January, Lessay seems to have been transmitting
> again for
> > > >at least 30 minutes, and showing the same or a slightly stronger
> signal
> > > >here on the west coast of Scotland than Anthorn.
> > >
> > > Are you sure it's not UK trying to rig something up for their eLoran
> > > trials ?
> > >
> > > --
> > > Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> > > phk at FreeBSD.ORG         | TCP/IP since RFC 956
> > > FreeBSD committer       | BSD since 4.3-tahoe
> > > Never attribute to malice what can adequately be explained by
> incompetence.
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