Hi Stefan that sounds spectacular! It is certainly not an easy path to conquor
without some very clever modulation!
Well Done, this is not exactly a "good time" to try either.
Alan
G3NYK
--- On Wed, 14/3/12, Stefan Schäfer <[email protected]>
wrote:
> From: Stefan Schäfer <[email protected]>
> Subject: LF: DK7FC in VK?
> To: [email protected]
> Cc: "Gamal Wahid Soegiono" <[email protected]>
> Date: Wednesday, 14 March, 2012, 22:40
> LF,
>
> Not yet a clear proof but probably i left a first trace in
> VK on 136.172 kHz in my evening transmission a few hours
> ago.
>
> The VK1SV grabber ( http://people.physics.anu.edu.au/~dxt103/grabber/)
> showed this spectrogram at about 20:10 UTC:
> http://dl.dropbox.com/u/19882028/LF/is%20that%20a%207.jpg
>
> It looks pretty equal to a 7 i find.
>
> Note the time delay of the time stamp in the spectrogram and
> in the text box in the left top corner. The correct time is
> that of the text box. (We don't know where this delay may
> come from). The delay is exactly 30 minutes.
> So that 7 must have been on air at about 19:15 UTC. This
> exactly matches with my own grabber capture which can be
> seen at http://dl.dropbox.com/u/19882028/LF/EU60.jpg
>
> Also the frequency matches as well as the DFCW element
> length and the DFCW shift of my DFCW-180 transmission. As a
> comparison i generated a 7 in a spectrogram with equal
> setting as used by Dimitris/VK1SV. Then i cut that 7 and
> inserted it into the VK grabber capture, see:
> http://dl.dropbox.com/u/19882028/LF/7%20comparison.png
>
> Of course we will go on trying in the next time and hope to
> get a even better proof. In that mode there is little room,
> i.e. time to receive a complete call. The time is very
> limited. But maybe we will see a F tomorrow :-)
> I'm very optimistic you know.
>
> That is a path of 16464 km :-)
> http://no.nonsense.ee/qthmap/?qth=JN49IK00WD&from=QF44MT
>
> 73, Stefan/DK7FC
>
> PS: Will be quiet tonite due to VLF receive tests.
>
> Am 14.03.2012 21:04, schrieb Stefan Schäfer:
> > LF,
> >
> > I'm somewhat confused. Can somone look at this link and
> tell me what he sees: http://people.physics.anu.edu.au/~dxt103/grabber/
> >
> > 73, Stefan/DK7FC
>
>
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